Debugger.Restart: Preserve breakpoints

Fixes #188

service/debugger/debugger.go

@@ -91,6 +91,11 @@ func (d *Debugger) Restart() error {
 	if err != nil {
 		return fmt.Errorf("could not launch process: %s", err)
 	}
+	for addr, _ := range d.process.Breakpoints {
+		if _, err := p.SetBreakpoint(addr); err != nil {
+			return err
+		}
+	}
 	d.process = p
 	return nil
 }

service/test/integration_test.go

@@ -101,12 +101,8 @@ func TestRestart_duringStop(t *testing.T) {
 		if err != nil {
 			t.Fatal(err)
 		}
-		if len(bps) != 0 {
-			t.Fatal("breakpoint tabe not cleared")
-		}
-		state = <-c.Continue()
-		if !state.Exited {
-			t.Fatal("expected process to have exited")
+		if len(bps) == 0 {
+			t.Fatal("breakpoints not preserved")
 		}
 	})
 }