6e882c50fa
If the location specification matches the name of a function exactly return that function as a match event if the expression matches other functions as well. Without this some functions, like math/rand.Intn are unmatchable.
1135 lines
33 KiB
Go
1135 lines
33 KiB
Go
package servicetest
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import (
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"fmt"
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"math/rand"
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"net"
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"os"
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"path/filepath"
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"runtime"
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"strconv"
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"strings"
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"testing"
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"time"
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protest "github.com/derekparker/delve/proc/test"
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"github.com/derekparker/delve/proc"
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"github.com/derekparker/delve/service"
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"github.com/derekparker/delve/service/api"
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"github.com/derekparker/delve/service/rpc2"
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"github.com/derekparker/delve/service/rpccommon"
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)
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var normalLoadConfig = api.LoadConfig{true, 1, 64, 64, -1}
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func TestMain(m *testing.M) {
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os.Exit(protest.RunTestsWithFixtures(m))
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}
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func withTestClient2(name string, t *testing.T, fn func(c service.Client)) {
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listener, err := net.Listen("tcp", "localhost:0")
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if err != nil {
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t.Fatalf("couldn't start listener: %s\n", err)
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}
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defer listener.Close()
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server := rpccommon.NewServer(&service.Config{
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Listener: listener,
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ProcessArgs: []string{protest.BuildFixture(name).Path},
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}, false)
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if err := server.Run(); err != nil {
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t.Fatal(err)
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}
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client := rpc2.NewClient(listener.Addr().String())
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defer func() {
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client.Detach(true)
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}()
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fn(client)
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}
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func TestRunWithInvalidPath(t *testing.T) {
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listener, err := net.Listen("tcp", "localhost:0")
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if err != nil {
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t.Fatalf("couldn't start listener: %s\n", err)
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}
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defer listener.Close()
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server := rpccommon.NewServer(&service.Config{
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Listener: listener,
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ProcessArgs: []string{"invalid_path"},
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APIVersion: 2,
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}, false)
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if err := server.Run(); err == nil {
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t.Fatal("Expected Run to return error for invalid program path")
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}
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}
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func TestRestart_afterExit(t *testing.T) {
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withTestClient2("continuetestprog", t, func(c service.Client) {
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origPid := c.ProcessPid()
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state := <-c.Continue()
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if !state.Exited {
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t.Fatal("expected initial process to have exited")
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}
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if err := c.Restart(); err != nil {
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t.Fatal(err)
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}
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if c.ProcessPid() == origPid {
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t.Fatal("did not spawn new process, has same PID")
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}
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state = <-c.Continue()
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if !state.Exited {
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t.Fatalf("expected restarted process to have exited %v", state)
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}
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})
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}
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func TestRestart_breakpointPreservation(t *testing.T) {
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withTestClient2("continuetestprog", t, func(c service.Client) {
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_, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.main", Line: 1, Name: "firstbreakpoint", Tracepoint: true})
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assertNoError(err, t, "CreateBreakpoint()")
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stateCh := c.Continue()
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state := <-stateCh
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if state.CurrentThread.Breakpoint.Name != "firstbreakpoint" || !state.CurrentThread.Breakpoint.Tracepoint {
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t.Fatalf("Wrong breakpoint: %#v\n", state.CurrentThread.Breakpoint)
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}
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state = <-stateCh
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if !state.Exited {
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t.Fatal("Did not exit after first tracepoint")
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}
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t.Log("Restart")
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c.Restart()
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stateCh = c.Continue()
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state = <-stateCh
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if state.CurrentThread.Breakpoint.Name != "firstbreakpoint" || !state.CurrentThread.Breakpoint.Tracepoint {
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t.Fatalf("Wrong breakpoint (after restart): %#v\n", state.CurrentThread.Breakpoint)
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}
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state = <-stateCh
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if !state.Exited {
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t.Fatal("Did not exit after first tracepoint (after restart)")
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}
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})
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}
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func TestRestart_duringStop(t *testing.T) {
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withTestClient2("continuetestprog", t, func(c service.Client) {
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origPid := c.ProcessPid()
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_, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.main", Line: 1})
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if err != nil {
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t.Fatal(err)
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}
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state := <-c.Continue()
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if state.CurrentThread.Breakpoint == nil {
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t.Fatal("did not hit breakpoint")
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}
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if err := c.Restart(); err != nil {
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t.Fatal(err)
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}
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if c.ProcessPid() == origPid {
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t.Fatal("did not spawn new process, has same PID")
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}
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bps, err := c.ListBreakpoints()
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if err != nil {
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t.Fatal(err)
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}
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if len(bps) == 0 {
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t.Fatal("breakpoints not preserved")
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}
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})
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}
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func TestRestart_attachPid(t *testing.T) {
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// Assert it does not work and returns error.
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// We cannot restart a process we did not spawn.
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server := rpccommon.NewServer(&service.Config{
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Listener: nil,
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AttachPid: 999,
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APIVersion: 2,
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}, false)
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if err := server.Restart(); err == nil {
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t.Fatal("expected error on restart after attaching to pid but got none")
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}
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}
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func TestClientServer_exit(t *testing.T) {
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withTestClient2("continuetestprog", t, func(c service.Client) {
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state, err := c.GetState()
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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if e, a := false, state.Exited; e != a {
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t.Fatalf("Expected exited %v, got %v", e, a)
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}
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state = <-c.Continue()
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if state.Err == nil {
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t.Fatalf("Error expected after continue")
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}
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if !state.Exited {
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t.Fatalf("Expected exit after continue: %v", state)
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}
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state, err = c.GetState()
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if err == nil {
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t.Fatal("Expected error on querying state from exited process")
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}
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})
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}
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func TestClientServer_step(t *testing.T) {
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withTestClient2("testprog", t, func(c service.Client) {
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_, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.helloworld", Line: 1})
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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stateBefore := <-c.Continue()
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if stateBefore.Err != nil {
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t.Fatalf("Unexpected error: %v", stateBefore.Err)
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}
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stateAfter, err := c.Step()
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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if before, after := stateBefore.CurrentThread.PC, stateAfter.CurrentThread.PC; before >= after {
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t.Errorf("Expected %#v to be greater than %#v", before, after)
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}
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})
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}
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func testnext2(testcases []nextTest, initialLocation string, t *testing.T) {
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withTestClient2("testnextprog", t, func(c service.Client) {
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bp, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: initialLocation, Line: -1})
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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state := <-c.Continue()
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if state.Err != nil {
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t.Fatalf("Unexpected error: %v", state.Err)
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}
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_, err = c.ClearBreakpoint(bp.ID)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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for _, tc := range testcases {
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if state.CurrentThread.Line != tc.begin {
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t.Fatalf("Program not stopped at correct spot expected %d was %d", tc.begin, state.CurrentThread.Line)
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}
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t.Logf("Next for scenario %#v", tc)
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state, err = c.Next()
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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if state.CurrentThread.Line != tc.end {
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t.Fatalf("Program did not continue to correct next location expected %d was %d", tc.end, state.CurrentThread.Line)
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}
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}
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})
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}
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func TestNextGeneral(t *testing.T) {
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var testcases []nextTest
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ver, _ := proc.ParseVersionString(runtime.Version())
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if ver.Major < 0 || ver.AfterOrEqual(proc.GoVersion{1, 7, -1, 0, 0}) {
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testcases = []nextTest{
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{17, 19},
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{19, 20},
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{20, 23},
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{23, 24},
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{24, 26},
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{26, 31},
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{31, 23},
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{23, 24},
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{24, 26},
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{26, 31},
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{31, 23},
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{23, 24},
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{24, 26},
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{26, 27},
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{27, 28},
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{28, 34},
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}
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} else {
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testcases = []nextTest{
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{17, 19},
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{19, 20},
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{20, 23},
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{23, 24},
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{24, 26},
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{26, 31},
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{31, 23},
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{23, 24},
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{24, 26},
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{26, 31},
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{31, 23},
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{23, 24},
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{24, 26},
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{26, 27},
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{27, 34},
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}
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}
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testnext(testcases, "main.testnext", t)
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}
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func TestNextFunctionReturn(t *testing.T) {
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testcases := []nextTest{
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{13, 14},
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{14, 15},
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{15, 35},
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}
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testnext(testcases, "main.helloworld", t)
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}
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func TestClientServer_breakpointInMainThread(t *testing.T) {
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withTestClient2("testprog", t, func(c service.Client) {
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bp, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.helloworld", Line: 1})
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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state := <-c.Continue()
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if err != nil {
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t.Fatalf("Unexpected error: %v, state: %#v", err, state)
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}
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pc := state.CurrentThread.PC
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if pc-1 != bp.Addr && pc != bp.Addr {
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f, l := state.CurrentThread.File, state.CurrentThread.Line
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t.Fatalf("Break not respected:\nPC:%#v %s:%d\nFN:%#v \n", pc, f, l, bp.Addr)
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}
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})
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}
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func TestClientServer_breakpointInSeparateGoroutine(t *testing.T) {
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withTestClient2("testthreads", t, func(c service.Client) {
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_, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.anotherthread", Line: 1})
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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state := <-c.Continue()
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if state.Err != nil {
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t.Fatalf("Unexpected error: %v, state: %#v", state.Err, state)
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}
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f, l := state.CurrentThread.File, state.CurrentThread.Line
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if f != "testthreads.go" && l != 9 {
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t.Fatal("Program did not hit breakpoint")
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}
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})
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}
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func TestClientServer_breakAtNonexistentPoint(t *testing.T) {
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withTestClient2("testprog", t, func(c service.Client) {
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_, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "nowhere", Line: 1})
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if err == nil {
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t.Fatal("Should not be able to break at non existent function")
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}
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})
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}
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func TestClientServer_clearBreakpoint(t *testing.T) {
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withTestClient2("testprog", t, func(c service.Client) {
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bp, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.sleepytime", Line: 1})
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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if e, a := 1, countBreakpoints(t, c); e != a {
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t.Fatalf("Expected breakpoint count %d, got %d", e, a)
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}
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deleted, err := c.ClearBreakpoint(bp.ID)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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if deleted.ID != bp.ID {
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t.Fatalf("Expected deleted breakpoint ID %v, got %v", bp.ID, deleted.ID)
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}
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if e, a := 0, countBreakpoints(t, c); e != a {
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t.Fatalf("Expected breakpoint count %d, got %d", e, a)
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}
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})
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}
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func TestClientServer_switchThread(t *testing.T) {
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withTestClient2("testnextprog", t, func(c service.Client) {
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// With invalid thread id
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_, err := c.SwitchThread(-1)
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if err == nil {
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t.Fatal("Expected error for invalid thread id")
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}
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_, err = c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.main", Line: 1})
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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state := <-c.Continue()
|
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if state.Err != nil {
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t.Fatalf("Unexpected error: %v, state: %#v", state.Err, state)
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}
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var nt int
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ct := state.CurrentThread.ID
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threads, err := c.ListThreads()
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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for _, th := range threads {
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if th.ID != ct {
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nt = th.ID
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break
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}
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}
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if nt == 0 {
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t.Fatal("could not find thread to switch to")
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}
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// With valid thread id
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state, err = c.SwitchThread(nt)
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if err != nil {
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t.Fatal(err)
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}
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if state.CurrentThread.ID != nt {
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t.Fatal("Did not switch threads")
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}
|
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})
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}
|
|
|
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func TestClientServer_infoLocals(t *testing.T) {
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withTestClient2("testnextprog", t, func(c service.Client) {
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fp := testProgPath(t, "testnextprog")
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_, err := c.CreateBreakpoint(&api.Breakpoint{File: fp, Line: 23})
|
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if err != nil {
|
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t.Fatalf("Unexpected error: %v", err)
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}
|
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state := <-c.Continue()
|
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if state.Err != nil {
|
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t.Fatalf("Unexpected error: %v, state: %#v", state.Err, state)
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}
|
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locals, err := c.ListLocalVariables(api.EvalScope{-1, 0}, normalLoadConfig)
|
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if err != nil {
|
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t.Fatalf("Unexpected error: %v", err)
|
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}
|
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if len(locals) != 3 {
|
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t.Fatalf("Expected 3 locals, got %d %#v", len(locals), locals)
|
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}
|
|
})
|
|
}
|
|
|
|
func TestClientServer_infoArgs(t *testing.T) {
|
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withTestClient2("testnextprog", t, func(c service.Client) {
|
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fp := testProgPath(t, "testnextprog")
|
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_, err := c.CreateBreakpoint(&api.Breakpoint{File: fp, Line: 47})
|
|
if err != nil {
|
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t.Fatalf("Unexpected error: %v", err)
|
|
}
|
|
state := <-c.Continue()
|
|
if state.Err != nil {
|
|
t.Fatalf("Unexpected error: %v, state: %#v", state.Err, state)
|
|
}
|
|
regs, err := c.ListRegisters()
|
|
if err != nil {
|
|
t.Fatalf("Unexpected error: %v", err)
|
|
}
|
|
if regs == "" {
|
|
t.Fatal("Expected string showing registers values, got empty string")
|
|
}
|
|
locals, err := c.ListFunctionArgs(api.EvalScope{-1, 0}, normalLoadConfig)
|
|
if err != nil {
|
|
t.Fatalf("Unexpected error: %v", err)
|
|
}
|
|
if len(locals) != 2 {
|
|
t.Fatalf("Expected 2 function args, got %d %#v", len(locals), locals)
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestClientServer_traceContinue(t *testing.T) {
|
|
withTestClient2("integrationprog", t, func(c service.Client) {
|
|
fp := testProgPath(t, "integrationprog")
|
|
_, err := c.CreateBreakpoint(&api.Breakpoint{File: fp, Line: 15, Tracepoint: true, Goroutine: true, Stacktrace: 5, Variables: []string{"i"}})
|
|
if err != nil {
|
|
t.Fatalf("Unexpected error: %v\n", err)
|
|
}
|
|
count := 0
|
|
contChan := c.Continue()
|
|
for state := range contChan {
|
|
if state.CurrentThread != nil && state.CurrentThread.Breakpoint != nil {
|
|
count++
|
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|
|
t.Logf("%v", state)
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|
|
|
bpi := state.CurrentThread.BreakpointInfo
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|
|
|
if bpi.Goroutine == nil {
|
|
t.Fatalf("No goroutine information")
|
|
}
|
|
|
|
if len(bpi.Stacktrace) <= 0 {
|
|
t.Fatalf("No stacktrace\n")
|
|
}
|
|
|
|
if len(bpi.Variables) != 1 {
|
|
t.Fatalf("Wrong number of variables returned: %d", len(bpi.Variables))
|
|
}
|
|
|
|
if bpi.Variables[0].Name != "i" {
|
|
t.Fatalf("Wrong variable returned %s", bpi.Variables[0].Name)
|
|
}
|
|
|
|
t.Logf("Variable i is %v", bpi.Variables[0])
|
|
|
|
n, err := strconv.Atoi(bpi.Variables[0].Value)
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|
|
|
if err != nil || n != count-1 {
|
|
t.Fatalf("Wrong variable value %q (%v %d)", bpi.Variables[0].Value, err, count)
|
|
}
|
|
}
|
|
if state.Exited {
|
|
continue
|
|
}
|
|
t.Logf("%v", state)
|
|
if state.Err != nil {
|
|
t.Fatalf("Unexpected error during continue: %v\n", state.Err)
|
|
}
|
|
|
|
}
|
|
|
|
if count != 3 {
|
|
t.Fatalf("Wrong number of continues hit: %d\n", count)
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestClientServer_traceContinue2(t *testing.T) {
|
|
withTestClient2("integrationprog", t, func(c service.Client) {
|
|
bp1, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.main", Line: 1, Tracepoint: true})
|
|
if err != nil {
|
|
t.Fatalf("Unexpected error: %v\n", err)
|
|
}
|
|
bp2, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.sayhi", Line: 1, Tracepoint: true})
|
|
if err != nil {
|
|
t.Fatalf("Unexpected error: %v\n", err)
|
|
}
|
|
countMain := 0
|
|
countSayhi := 0
|
|
contChan := c.Continue()
|
|
for state := range contChan {
|
|
if state.CurrentThread != nil && state.CurrentThread.Breakpoint != nil {
|
|
switch state.CurrentThread.Breakpoint.ID {
|
|
case bp1.ID:
|
|
countMain++
|
|
case bp2.ID:
|
|
countSayhi++
|
|
}
|
|
|
|
t.Logf("%v", state)
|
|
}
|
|
if state.Exited {
|
|
continue
|
|
}
|
|
if state.Err != nil {
|
|
t.Fatalf("Unexpected error during continue: %v\n", state.Err)
|
|
}
|
|
|
|
}
|
|
|
|
if countMain != 1 {
|
|
t.Fatalf("Wrong number of continues (main.main) hit: %d\n", countMain)
|
|
}
|
|
|
|
if countSayhi != 3 {
|
|
t.Fatalf("Wrong number of continues (main.sayhi) hit: %d\n", countSayhi)
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestClientServer_FindLocations(t *testing.T) {
|
|
withTestClient2("locationsprog", t, func(c service.Client) {
|
|
someFunctionCallAddr := findLocationHelper(t, c, "locationsprog.go:26", false, 1, 0)[0]
|
|
someFunctionLine1 := findLocationHelper(t, c, "locationsprog.go:27", false, 1, 0)[0]
|
|
findLocationHelper(t, c, "anotherFunction:1", false, 1, someFunctionLine1)
|
|
findLocationHelper(t, c, "main.anotherFunction:1", false, 1, someFunctionLine1)
|
|
findLocationHelper(t, c, "anotherFunction", false, 1, someFunctionCallAddr)
|
|
findLocationHelper(t, c, "main.anotherFunction", false, 1, someFunctionCallAddr)
|
|
findLocationHelper(t, c, fmt.Sprintf("*0x%x", someFunctionCallAddr), false, 1, someFunctionCallAddr)
|
|
findLocationHelper(t, c, "sprog.go:26", true, 0, 0)
|
|
|
|
findLocationHelper(t, c, "String", true, 0, 0)
|
|
findLocationHelper(t, c, "main.String", true, 0, 0)
|
|
|
|
someTypeStringFuncAddr := findLocationHelper(t, c, "locationsprog.go:14", false, 1, 0)[0]
|
|
otherTypeStringFuncAddr := findLocationHelper(t, c, "locationsprog.go:18", false, 1, 0)[0]
|
|
findLocationHelper(t, c, "SomeType.String", false, 1, someTypeStringFuncAddr)
|
|
findLocationHelper(t, c, "(*SomeType).String", false, 1, someTypeStringFuncAddr)
|
|
findLocationHelper(t, c, "main.SomeType.String", false, 1, someTypeStringFuncAddr)
|
|
findLocationHelper(t, c, "main.(*SomeType).String", false, 1, someTypeStringFuncAddr)
|
|
|
|
// Issue #275
|
|
readfile := findLocationHelper(t, c, "io/ioutil.ReadFile", false, 1, 0)[0]
|
|
|
|
// Issue #296
|
|
findLocationHelper(t, c, "/io/ioutil.ReadFile", false, 1, readfile)
|
|
findLocationHelper(t, c, "ioutil.ReadFile", false, 1, readfile)
|
|
|
|
stringAddrs := findLocationHelper(t, c, "/^main.*Type.*String$/", false, 2, 0)
|
|
|
|
if otherTypeStringFuncAddr != stringAddrs[0] && otherTypeStringFuncAddr != stringAddrs[1] {
|
|
t.Fatalf("Wrong locations returned for \"/.*Type.*String/\", got: %v expected: %v and %v\n", stringAddrs, someTypeStringFuncAddr, otherTypeStringFuncAddr)
|
|
}
|
|
|
|
_, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.main", Line: 4, Tracepoint: false})
|
|
if err != nil {
|
|
t.Fatalf("CreateBreakpoint(): %v\n", err)
|
|
}
|
|
|
|
<-c.Continue()
|
|
|
|
locationsprog35Addr := findLocationHelper(t, c, "locationsprog.go:35", false, 1, 0)[0]
|
|
findLocationHelper(t, c, fmt.Sprintf("%s:35", testProgPath(t, "locationsprog")), false, 1, locationsprog35Addr)
|
|
findLocationHelper(t, c, "+1", false, 1, locationsprog35Addr)
|
|
findLocationHelper(t, c, "35", false, 1, locationsprog35Addr)
|
|
findLocationHelper(t, c, "-1", false, 1, findLocationHelper(t, c, "locationsprog.go:33", false, 1, 0)[0])
|
|
})
|
|
|
|
withTestClient2("testnextdefer", t, func(c service.Client) {
|
|
firstMainLine := findLocationHelper(t, c, "testnextdefer.go:5", false, 1, 0)[0]
|
|
findLocationHelper(t, c, "main.main", false, 1, firstMainLine)
|
|
})
|
|
|
|
withTestClient2("stacktraceprog", t, func(c service.Client) {
|
|
stacktracemeAddr := findLocationHelper(t, c, "stacktraceprog.go:4", false, 1, 0)[0]
|
|
findLocationHelper(t, c, "main.stacktraceme", false, 1, stacktracemeAddr)
|
|
})
|
|
|
|
withTestClient2("locationsUpperCase", t, func(c service.Client) {
|
|
// Upper case
|
|
findLocationHelper(t, c, "locationsUpperCase.go:6", false, 1, 0)
|
|
|
|
// Fully qualified path
|
|
path := protest.Fixtures["locationsUpperCase"].Source
|
|
findLocationHelper(t, c, path+":6", false, 1, 0)
|
|
bp, err := c.CreateBreakpoint(&api.Breakpoint{File: path, Line: 6})
|
|
if err != nil {
|
|
t.Fatalf("Could not set breakpoint in %s: %v\n", path, err)
|
|
}
|
|
c.ClearBreakpoint(bp.ID)
|
|
|
|
// Allow `/` or `\` on Windows
|
|
if runtime.GOOS == "windows" {
|
|
findLocationHelper(t, c, filepath.FromSlash(path)+":6", false, 1, 0)
|
|
bp, err = c.CreateBreakpoint(&api.Breakpoint{File: filepath.FromSlash(path), Line: 6})
|
|
if err != nil {
|
|
t.Fatalf("Could not set breakpoint in %s: %v\n", filepath.FromSlash(path), err)
|
|
}
|
|
c.ClearBreakpoint(bp.ID)
|
|
}
|
|
|
|
// Case-insensitive on Windows, case-sensitive otherwise
|
|
shouldWrongCaseBeError := true
|
|
numExpectedMatches := 0
|
|
if runtime.GOOS == "windows" {
|
|
shouldWrongCaseBeError = false
|
|
numExpectedMatches = 1
|
|
}
|
|
findLocationHelper(t, c, strings.ToLower(path)+":6", shouldWrongCaseBeError, numExpectedMatches, 0)
|
|
bp, err = c.CreateBreakpoint(&api.Breakpoint{File: strings.ToLower(path), Line: 6})
|
|
if (err == nil) == shouldWrongCaseBeError {
|
|
t.Fatalf("Could not set breakpoint in %s: %v\n", strings.ToLower(path), err)
|
|
}
|
|
c.ClearBreakpoint(bp.ID)
|
|
})
|
|
}
|
|
|
|
func TestClientServer_FindLocationsAddr(t *testing.T) {
|
|
withTestClient2("locationsprog2", t, func(c service.Client) {
|
|
<-c.Continue()
|
|
|
|
afunction := findLocationHelper(t, c, "main.afunction", false, 1, 0)[0]
|
|
anonfunc := findLocationHelper(t, c, "main.main.func1", false, 1, 0)[0]
|
|
|
|
findLocationHelper(t, c, "*fn1", false, 1, afunction)
|
|
findLocationHelper(t, c, "*fn3", false, 1, anonfunc)
|
|
})
|
|
}
|
|
|
|
func TestClientServer_FindLocationsExactMatch(t *testing.T) {
|
|
// if an expression matches multiple functions but one of them is an exact
|
|
// match it should be used anyway.
|
|
// In this example "math/rand.Intn" would normally match "math/rand.Intn"
|
|
// and "math/rand.(*Rand).Intn" but since the first match is exact it
|
|
// should be prioritized.
|
|
withTestClient2("locationsprog3", t, func(c service.Client) {
|
|
<-c.Continue()
|
|
findLocationHelper(t, c, "math/rand.Intn", false, 1, 0)
|
|
})
|
|
}
|
|
|
|
func TestClientServer_EvalVariable(t *testing.T) {
|
|
withTestClient2("testvariables", t, func(c service.Client) {
|
|
state := <-c.Continue()
|
|
|
|
if state.Err != nil {
|
|
t.Fatalf("Continue(): %v\n", state.Err)
|
|
}
|
|
|
|
var1, err := c.EvalVariable(api.EvalScope{-1, 0}, "a1", normalLoadConfig)
|
|
assertNoError(err, t, "EvalVariable")
|
|
|
|
t.Logf("var1: %s", var1.SinglelineString())
|
|
|
|
if var1.Value != "foofoofoofoofoofoo" {
|
|
t.Fatalf("Wrong variable value: %s", var1.Value)
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestClientServer_SetVariable(t *testing.T) {
|
|
withTestClient2("testvariables", t, func(c service.Client) {
|
|
state := <-c.Continue()
|
|
|
|
if state.Err != nil {
|
|
t.Fatalf("Continue(): %v\n", state.Err)
|
|
}
|
|
|
|
assertNoError(c.SetVariable(api.EvalScope{-1, 0}, "a2", "8"), t, "SetVariable()")
|
|
|
|
a2, err := c.EvalVariable(api.EvalScope{-1, 0}, "a2", normalLoadConfig)
|
|
|
|
t.Logf("a2: %v", a2)
|
|
|
|
n, err := strconv.Atoi(a2.Value)
|
|
|
|
if err != nil && n != 8 {
|
|
t.Fatalf("Wrong variable value: %v", a2)
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestClientServer_FullStacktrace(t *testing.T) {
|
|
withTestClient2("goroutinestackprog", t, func(c service.Client) {
|
|
_, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.stacktraceme", Line: -1})
|
|
assertNoError(err, t, "CreateBreakpoint()")
|
|
state := <-c.Continue()
|
|
if state.Err != nil {
|
|
t.Fatalf("Continue(): %v\n", state.Err)
|
|
}
|
|
|
|
gs, err := c.ListGoroutines()
|
|
assertNoError(err, t, "GoroutinesInfo()")
|
|
found := make([]bool, 10)
|
|
for _, g := range gs {
|
|
frames, err := c.Stacktrace(g.ID, 10, &normalLoadConfig)
|
|
assertNoError(err, t, fmt.Sprintf("Stacktrace(%d)", g.ID))
|
|
for i, frame := range frames {
|
|
if frame.Function == nil {
|
|
continue
|
|
}
|
|
if frame.Function.Name != "main.agoroutine" {
|
|
continue
|
|
}
|
|
t.Logf("frame %d: %v", i, frame)
|
|
for _, arg := range frame.Arguments {
|
|
if arg.Name != "i" {
|
|
continue
|
|
}
|
|
t.Logf("frame %d, variable i is %v\n", arg)
|
|
argn, err := strconv.Atoi(arg.Value)
|
|
if err == nil {
|
|
found[argn] = true
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for i := range found {
|
|
if !found[i] {
|
|
t.Fatalf("Goroutine %d not found", i)
|
|
}
|
|
}
|
|
|
|
state = <-c.Continue()
|
|
if state.Err != nil {
|
|
t.Fatalf("Continue(): %v\n", state.Err)
|
|
}
|
|
|
|
frames, err := c.Stacktrace(-1, 10, &normalLoadConfig)
|
|
assertNoError(err, t, "Stacktrace")
|
|
|
|
cur := 3
|
|
for i, frame := range frames {
|
|
if i == 0 {
|
|
continue
|
|
}
|
|
t.Logf("frame %d: %v", i, frame)
|
|
v := frame.Var("n")
|
|
if v == nil {
|
|
t.Fatalf("Could not find value of variable n in frame %d", i)
|
|
}
|
|
vn, err := strconv.Atoi(v.Value)
|
|
if err != nil || vn != cur {
|
|
t.Fatalf("Expected value %d got %d (error: %v)", cur, vn, err)
|
|
}
|
|
cur--
|
|
if cur < 0 {
|
|
break
|
|
}
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestIssue355(t *testing.T) {
|
|
// After the target process has terminated should return an error but not crash
|
|
withTestClient2("continuetestprog", t, func(c service.Client) {
|
|
bp, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.sayhi", Line: -1})
|
|
assertNoError(err, t, "CreateBreakpoint()")
|
|
ch := c.Continue()
|
|
state := <-ch
|
|
tid := state.CurrentThread.ID
|
|
gid := state.SelectedGoroutine.ID
|
|
assertNoError(state.Err, t, "First Continue()")
|
|
ch = c.Continue()
|
|
state = <-ch
|
|
if !state.Exited {
|
|
t.Fatalf("Target did not terminate after second continue")
|
|
}
|
|
|
|
ch = c.Continue()
|
|
state = <-ch
|
|
assertError(state.Err, t, "Continue()")
|
|
|
|
_, err = c.Next()
|
|
assertError(err, t, "Next()")
|
|
_, err = c.Step()
|
|
assertError(err, t, "Step()")
|
|
_, err = c.StepInstruction()
|
|
assertError(err, t, "StepInstruction()")
|
|
_, err = c.SwitchThread(tid)
|
|
assertError(err, t, "SwitchThread()")
|
|
_, err = c.SwitchGoroutine(gid)
|
|
assertError(err, t, "SwitchGoroutine()")
|
|
_, err = c.Halt()
|
|
assertError(err, t, "Halt()")
|
|
_, err = c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.main", Line: -1})
|
|
assertError(err, t, "CreateBreakpoint()")
|
|
_, err = c.ClearBreakpoint(bp.ID)
|
|
assertError(err, t, "ClearBreakpoint()")
|
|
_, err = c.ListThreads()
|
|
assertError(err, t, "ListThreads()")
|
|
_, err = c.GetThread(tid)
|
|
assertError(err, t, "GetThread()")
|
|
assertError(c.SetVariable(api.EvalScope{gid, 0}, "a", "10"), t, "SetVariable()")
|
|
_, err = c.ListLocalVariables(api.EvalScope{gid, 0}, normalLoadConfig)
|
|
assertError(err, t, "ListLocalVariables()")
|
|
_, err = c.ListFunctionArgs(api.EvalScope{gid, 0}, normalLoadConfig)
|
|
assertError(err, t, "ListFunctionArgs()")
|
|
_, err = c.ListRegisters()
|
|
assertError(err, t, "ListRegisters()")
|
|
_, err = c.ListGoroutines()
|
|
assertError(err, t, "ListGoroutines()")
|
|
_, err = c.Stacktrace(gid, 10, &normalLoadConfig)
|
|
assertError(err, t, "Stacktrace()")
|
|
_, err = c.FindLocation(api.EvalScope{gid, 0}, "+1")
|
|
assertError(err, t, "FindLocation()")
|
|
_, err = c.DisassemblePC(api.EvalScope{-1, 0}, 0x40100, api.IntelFlavour)
|
|
assertError(err, t, "DisassemblePC()")
|
|
})
|
|
}
|
|
|
|
func TestDisasm(t *testing.T) {
|
|
// Tests that disassembling by PC, range, and current PC all yeld similar results
|
|
// Tests that disassembly by current PC will return a disassembly containing the instruction at PC
|
|
// Tests that stepping on a calculated CALL instruction will yield a disassembly that contains the
|
|
// effective destination of the CALL instruction
|
|
withTestClient2("locationsprog2", t, func(c service.Client) {
|
|
ch := c.Continue()
|
|
state := <-ch
|
|
assertNoError(state.Err, t, "Continue()")
|
|
|
|
locs, err := c.FindLocation(api.EvalScope{-1, 0}, "main.main")
|
|
assertNoError(err, t, "FindLocation()")
|
|
if len(locs) != 1 {
|
|
t.Fatalf("wrong number of locations for main.main: %d", len(locs))
|
|
}
|
|
d1, err := c.DisassemblePC(api.EvalScope{-1, 0}, locs[0].PC, api.IntelFlavour)
|
|
assertNoError(err, t, "DisassemblePC()")
|
|
if len(d1) < 2 {
|
|
t.Fatalf("wrong size of disassembly: %d", len(d1))
|
|
}
|
|
|
|
pcstart := d1[0].Loc.PC
|
|
pcend := d1[len(d1)-1].Loc.PC + uint64(len(d1[len(d1)-1].Bytes))
|
|
d2, err := c.DisassembleRange(api.EvalScope{-1, 0}, pcstart, pcend, api.IntelFlavour)
|
|
assertNoError(err, t, "DisassembleRange()")
|
|
|
|
if len(d1) != len(d2) {
|
|
t.Logf("d1: %v", d1)
|
|
t.Logf("d2: %v", d2)
|
|
t.Fatal("mismatched length between disassemble pc and disassemble range")
|
|
}
|
|
|
|
d3, err := c.DisassemblePC(api.EvalScope{-1, 0}, state.CurrentThread.PC, api.IntelFlavour)
|
|
assertNoError(err, t, "DisassemblePC() - second call")
|
|
|
|
if len(d1) != len(d3) {
|
|
t.Logf("d1: %v", d1)
|
|
t.Logf("d3: %v", d3)
|
|
t.Fatal("mismatched length between the two calls of disassemble pc")
|
|
}
|
|
|
|
// look for static call to afunction() on line 29
|
|
found := false
|
|
for i := range d3 {
|
|
if d3[i].Loc.Line == 29 && strings.HasPrefix(d3[i].Text, "call") && d3[i].DestLoc != nil && d3[i].DestLoc.Function != nil && d3[i].DestLoc.Function.Name == "main.afunction" {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
if !found {
|
|
t.Fatal("Could not find call to main.afunction on line 29")
|
|
}
|
|
|
|
haspc := false
|
|
for i := range d3 {
|
|
if d3[i].AtPC {
|
|
haspc = true
|
|
break
|
|
}
|
|
}
|
|
|
|
if !haspc {
|
|
t.Logf("d3: %v", d3)
|
|
t.Fatal("PC instruction not found")
|
|
}
|
|
|
|
startinstr := getCurinstr(d3)
|
|
|
|
count := 0
|
|
for {
|
|
if count > 20 {
|
|
t.Fatal("too many step instructions executed without finding a call instruction")
|
|
}
|
|
state, err := c.StepInstruction()
|
|
assertNoError(err, t, fmt.Sprintf("StepInstruction() %d", count))
|
|
|
|
d3, err = c.DisassemblePC(api.EvalScope{-1, 0}, state.CurrentThread.PC, api.IntelFlavour)
|
|
assertNoError(err, t, fmt.Sprintf("StepInstruction() %d", count))
|
|
|
|
curinstr := getCurinstr(d3)
|
|
|
|
if curinstr == nil {
|
|
t.Fatalf("Could not find current instruction %d", count)
|
|
}
|
|
|
|
if curinstr.Loc.Line != startinstr.Loc.Line {
|
|
t.Fatal("Calling StepInstruction() repeatedly did not find the call instruction")
|
|
}
|
|
|
|
if strings.HasPrefix(curinstr.Text, "call") {
|
|
t.Logf("call: %v", curinstr)
|
|
if curinstr.DestLoc == nil || curinstr.DestLoc.Function == nil {
|
|
t.Fatalf("Call instruction does not have destination: %v", curinstr)
|
|
}
|
|
if curinstr.DestLoc.Function.Name != "main.afunction" {
|
|
t.Fatalf("Call instruction destination not main.afunction: %v", curinstr)
|
|
}
|
|
break
|
|
}
|
|
|
|
count++
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestNegativeStackDepthBug(t *testing.T) {
|
|
// After the target process has terminated should return an error but not crash
|
|
withTestClient2("continuetestprog", t, func(c service.Client) {
|
|
_, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.sayhi", Line: -1})
|
|
assertNoError(err, t, "CreateBreakpoint()")
|
|
ch := c.Continue()
|
|
state := <-ch
|
|
assertNoError(state.Err, t, "Continue()")
|
|
_, err = c.Stacktrace(-1, -2, &normalLoadConfig)
|
|
assertError(err, t, "Stacktrace()")
|
|
})
|
|
}
|
|
|
|
func TestClientServer_CondBreakpoint(t *testing.T) {
|
|
withTestClient2("parallel_next", t, func(c service.Client) {
|
|
bp, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.sayhi", Line: 1})
|
|
assertNoError(err, t, "CreateBreakpoint()")
|
|
bp.Cond = "n == 7"
|
|
assertNoError(c.AmendBreakpoint(bp), t, "AmendBreakpoint() 1")
|
|
bp, err = c.GetBreakpoint(bp.ID)
|
|
assertNoError(err, t, "GetBreakpoint() 1")
|
|
bp.Variables = append(bp.Variables, "n")
|
|
assertNoError(c.AmendBreakpoint(bp), t, "AmendBreakpoint() 2")
|
|
bp, err = c.GetBreakpoint(bp.ID)
|
|
assertNoError(err, t, "GetBreakpoint() 2")
|
|
if bp.Cond == "" {
|
|
t.Fatalf("No condition set on breakpoint %#v", bp)
|
|
}
|
|
if len(bp.Variables) != 1 {
|
|
t.Fatalf("Wrong number of expressions to evaluate on breakpoint %#v", bp)
|
|
}
|
|
state := <-c.Continue()
|
|
assertNoError(state.Err, t, "Continue()")
|
|
|
|
nvar, err := c.EvalVariable(api.EvalScope{-1, 0}, "n", normalLoadConfig)
|
|
assertNoError(err, t, "EvalVariable()")
|
|
|
|
if nvar.SinglelineString() != "7" {
|
|
t.Fatalf("Stopped on wrong goroutine %s\n", nvar.Value)
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestSkipPrologue(t *testing.T) {
|
|
withTestClient2("locationsprog2", t, func(c service.Client) {
|
|
<-c.Continue()
|
|
|
|
afunction := findLocationHelper(t, c, "main.afunction", false, 1, 0)[0]
|
|
findLocationHelper(t, c, "*fn1", false, 1, afunction)
|
|
findLocationHelper(t, c, "locationsprog2.go:8", false, 1, afunction)
|
|
|
|
afunction0 := findLocationHelper(t, c, "main.afunction:0", false, 1, 0)[0]
|
|
|
|
if afunction == afunction0 {
|
|
t.Fatal("Skip prologue failed")
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestSkipPrologue2(t *testing.T) {
|
|
withTestClient2("callme", t, func(c service.Client) {
|
|
callme := findLocationHelper(t, c, "main.callme", false, 1, 0)[0]
|
|
callmeZ := findLocationHelper(t, c, "main.callme:0", false, 1, 0)[0]
|
|
findLocationHelper(t, c, "callme.go:5", false, 1, callme)
|
|
if callme == callmeZ {
|
|
t.Fatal("Skip prologue failed")
|
|
}
|
|
|
|
callme2 := findLocationHelper(t, c, "main.callme2", false, 1, 0)[0]
|
|
callme2Z := findLocationHelper(t, c, "main.callme2:0", false, 1, 0)[0]
|
|
findLocationHelper(t, c, "callme.go:12", false, 1, callme2)
|
|
if callme2 == callme2Z {
|
|
t.Fatal("Skip prologue failed")
|
|
}
|
|
|
|
callme3 := findLocationHelper(t, c, "main.callme3", false, 1, 0)[0]
|
|
callme3Z := findLocationHelper(t, c, "main.callme3:0", false, 1, 0)[0]
|
|
// callme3 does not have local variables therefore the first line of the function is immediately after the prologue
|
|
findLocationHelper(t, c, "callme.go:18", false, 1, callme3Z)
|
|
if callme3 == callme3Z {
|
|
t.Fatal("Skip prologue failed")
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestIssue419(t *testing.T) {
|
|
// Calling service/rpc.(*Client).Halt could cause a crash because both Halt and Continue simultaneously
|
|
// try to read 'runtime.g' and debug/dwarf.Data.Type is not thread safe
|
|
withTestClient2("issue419", t, func(c service.Client) {
|
|
go func() {
|
|
rand.Seed(time.Now().Unix())
|
|
d := time.Duration(rand.Intn(4) + 1)
|
|
time.Sleep(d * time.Second)
|
|
_, err := c.Halt()
|
|
assertNoError(err, t, "RequestManualStop()")
|
|
}()
|
|
statech := c.Continue()
|
|
state := <-statech
|
|
assertNoError(state.Err, t, "Continue()")
|
|
})
|
|
}
|
|
|
|
func TestTypesCommand(t *testing.T) {
|
|
withTestClient2("testvariables2", t, func(c service.Client) {
|
|
state := <-c.Continue()
|
|
assertNoError(state.Err, t, "Continue()")
|
|
types, err := c.ListTypes("")
|
|
assertNoError(err, t, "ListTypes()")
|
|
|
|
found := false
|
|
for i := range types {
|
|
if types[i] == "main.astruct" {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
if !found {
|
|
t.Fatal("Type astruct not found in ListTypes output")
|
|
}
|
|
|
|
types, err = c.ListTypes("^main.astruct$")
|
|
assertNoError(err, t, "ListTypes(\"main.astruct\")")
|
|
if len(types) != 1 {
|
|
t.Fatalf("ListTypes(\"^main.astruct$\") did not filter properly, expected 1 got %d: %v", len(types), types)
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestIssue406(t *testing.T) {
|
|
withTestClient2("issue406", t, func(c service.Client) {
|
|
locs, err := c.FindLocation(api.EvalScope{-1, 0}, "issue406.go:146")
|
|
assertNoError(err, t, "FindLocation()")
|
|
_, err = c.CreateBreakpoint(&api.Breakpoint{Addr: locs[0].PC})
|
|
assertNoError(err, t, "CreateBreakpoint()")
|
|
ch := c.Continue()
|
|
state := <-ch
|
|
assertNoError(state.Err, t, "Continue()")
|
|
v, err := c.EvalVariable(api.EvalScope{-1, 0}, "cfgtree", normalLoadConfig)
|
|
assertNoError(err, t, "EvalVariable()")
|
|
vs := v.MultilineString("")
|
|
t.Logf("cfgtree formats to: %s\n", vs)
|
|
})
|
|
}
|
|
|
|
func TestEvalExprName(t *testing.T) {
|
|
withTestClient2("testvariables2", t, func(c service.Client) {
|
|
state := <-c.Continue()
|
|
assertNoError(state.Err, t, "Continue()")
|
|
|
|
var1, err := c.EvalVariable(api.EvalScope{-1, 0}, "i1+1", normalLoadConfig)
|
|
assertNoError(err, t, "EvalVariable")
|
|
|
|
const name = "i1+1"
|
|
|
|
t.Logf("i1+1 → %#v", var1)
|
|
|
|
if var1.Name != name {
|
|
t.Fatalf("Wrong variable name %q, expected %q", var1.Name, name)
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestClientServer_Issue528(t *testing.T) {
|
|
// FindLocation with Receiver.MethodName syntax does not work
|
|
// on remote package names due to a bug in debug/gosym that
|
|
// Was fixed in go 1.7 // Commit that fixes the issue in go:
|
|
// f744717d1924340b8f5e5a385e99078693ad9097
|
|
|
|
ver, _ := proc.ParseVersionString(runtime.Version())
|
|
if ver.Major > 0 && !ver.AfterOrEqual(proc.GoVersion{1, 7, -1, 0, 0}) {
|
|
t.Log("Test skipped")
|
|
return
|
|
}
|
|
|
|
withTestClient2("issue528", t, func(c service.Client) {
|
|
findLocationHelper(t, c, "State.Close", false, 1, 0)
|
|
})
|
|
}
|