mirror of
https://github.com/golang/go.git
synced 2025-05-16 21:04:38 +00:00
1f231d74f6
Update error messages for pointer alignment checks and pointer arithmetic checks so that each type of error has a unique error message. Fixes #37488 Change-Id: Ida2c2fa3f041a3307d665879a463f9e8f2c1fd03 Reviewed-on: https://go-review.googlesource.com/c/go/+/223037 Reviewed-by: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package runtime_test
|
|
|
|
import (
|
|
"internal/testenv"
|
|
"os/exec"
|
|
"strings"
|
|
"testing"
|
|
)
|
|
|
|
func TestCheckPtr(t *testing.T) {
|
|
t.Parallel()
|
|
testenv.MustHaveGoRun(t)
|
|
|
|
exe, err := buildTestProg(t, "testprog", "-gcflags=all=-d=checkptr=1")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
testCases := []struct {
|
|
cmd string
|
|
want string
|
|
}{
|
|
{"CheckPtrAlignment", "fatal error: checkptr: misaligned pointer conversion\n"},
|
|
{"CheckPtrArithmetic", "fatal error: checkptr: pointer arithmetic result points to invalid allocation\n"},
|
|
{"CheckPtrSize", "fatal error: checkptr: converted pointer straddles multiple allocations\n"},
|
|
{"CheckPtrSmall", "fatal error: checkptr: pointer arithmetic computed bad pointer value\n"},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
tc := tc
|
|
t.Run(tc.cmd, func(t *testing.T) {
|
|
t.Parallel()
|
|
got, err := testenv.CleanCmdEnv(exec.Command(exe, tc.cmd)).CombinedOutput()
|
|
if err != nil {
|
|
t.Log(err)
|
|
}
|
|
if !strings.HasPrefix(string(got), tc.want) {
|
|
t.Errorf("output:\n%s\n\nwant output starting with: %s", got, tc.want)
|
|
}
|
|
})
|
|
}
|
|
}
|