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26085fcea3
Not used anymore, all tests have been migrated to the top-level testsuite. Change-Id: I536e6c14f62153c01e4966ad41e1501b38494c7f Reviewed-on: https://go-review.googlesource.com/107336 Run-TryBot: Giovanni Bajo <rasky@develer.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package gc
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import (
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"internal/testenv"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"testing"
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)
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// TestLineNumber checks to make sure the generated assembly has line numbers
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// see issue #16214
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func TestLineNumber(t *testing.T) {
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testenv.MustHaveGoBuild(t)
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dir, err := ioutil.TempDir("", "TestLineNumber")
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if err != nil {
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t.Fatalf("could not create directory: %v", err)
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}
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defer os.RemoveAll(dir)
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src := filepath.Join(dir, "x.go")
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err = ioutil.WriteFile(src, []byte(issue16214src), 0644)
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if err != nil {
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t.Fatalf("could not write file: %v", err)
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}
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cmd := exec.Command(testenv.GoToolPath(t), "tool", "compile", "-S", "-o", filepath.Join(dir, "out.o"), src)
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out, err := cmd.CombinedOutput()
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if err != nil {
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t.Fatalf("fail to run go tool compile: %v", err)
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}
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if strings.Contains(string(out), "unknown line number") {
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t.Errorf("line number missing in assembly:\n%s", out)
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}
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}
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var issue16214src = `
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package main
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func Mod32(x uint32) uint32 {
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return x % 3 // frontend rewrites it as HMUL with 2863311531, the LITERAL node has unknown Pos
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}
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`
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