wehub-resource-sync
56 lines
982 B
Go
56 lines
982 B
Go
package goobj
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import (
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"os"
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"os/exec"
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"path/filepath"
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"sync"
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"testing"
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"loov.dev/lensm/internal/disasm"
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)
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func TestLoadCode_ConcurrentCallsShareCache(t *testing.T) {
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if testing.Short() {
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t.Skip("builds a test binary")
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}
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dir := t.TempDir()
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src := filepath.Join(dir, "main.go")
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err := os.WriteFile(src, []byte(`package main
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func main() { println(add(1, 2)) }
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//go:noinline
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func add(a, b int) int { return a + b }
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`), 0o644)
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if err != nil {
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t.Fatal(err)
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}
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bin := filepath.Join(dir, "example.exe")
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if out, err := exec.Command("go", "build", "-o", bin, src).CombinedOutput(); err != nil {
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t.Fatalf("go build: %v\n%s", err, out)
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}
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file, err := Load(bin)
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if err != nil {
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t.Fatal(err)
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}
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t.Cleanup(func() { _ = file.Close() })
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funcs := file.Funcs()
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if len(funcs) > 32 {
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funcs = funcs[:32]
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}
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var wg sync.WaitGroup
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for range 8 {
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wg.Go(func() {
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for _, fn := range funcs {
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_, _ = fn.Load(disasm.Options{Context: 1})
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}
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})
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}
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wg.Wait()
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}
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