49 lines
956 B
Go
49 lines
956 B
Go
package frame
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import (
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"io/ioutil"
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"os"
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"testing"
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)
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func TestFDEForPC(t *testing.T) {
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fde1 := &FrameDescriptionEntry{AddressRange: &addrange{begin: 100, end: 200}}
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fde2 := &FrameDescriptionEntry{AddressRange: &addrange{begin: 50, end: 99}}
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fde3 := &FrameDescriptionEntry{AddressRange: &addrange{begin: 0, end: 49}}
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fde4 := &FrameDescriptionEntry{AddressRange: &addrange{begin: 201, end: 245}}
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tree := NewFrameIndex()
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tree.Put(fde1)
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tree.Put(fde2)
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tree.Put(fde3)
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tree.Put(fde4)
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node, ok := tree.Find(Addr(35))
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if !ok {
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t.Fatal("Could not find FDE")
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}
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if node != fde3 {
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t.Fatal("Got incorrect fde")
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}
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}
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func BenchmarkFDEForPC(b *testing.B) {
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f, err := os.Open("testdata/frame")
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if err != nil {
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b.Fatal(err)
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}
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defer f.Close()
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data, err := ioutil.ReadAll(f)
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if err != nil {
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b.Fatal(err)
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}
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fdes := Parse(data)
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for i := 0; i < b.N; i++ {
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// bench worst case, exhaustive search
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_, _ = fdes.FDEForPC(0x455555555)
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}
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}
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