8dc2499aa6
gotools/ * Makefile.am (go_cmd_cgo_files): Add ast_go118.go (check-go-tool): Copy golang.org/x/tools directories. * Makefile.in: Regenerate. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/384695
111 lines
2.8 KiB
Go
111 lines
2.8 KiB
Go
// Copyright 2020 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 runtime_test
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import (
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"internal/testenv"
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"os/exec"
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"runtime"
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"strings"
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"testing"
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)
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func TestCheckPtr(t *testing.T) {
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if runtime.Compiler == "gccgo" {
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t.Skip("gccgo does not have -d=checkptr")
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}
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// This test requires rebuilding packages with -d=checkptr=1,
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// so it's somewhat slow.
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if testing.Short() {
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t.Skip("skipping test in -short mode")
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}
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t.Parallel()
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testenv.MustHaveGoRun(t)
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exe, err := buildTestProg(t, "testprog", "-gcflags=all=-d=checkptr=1")
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if err != nil {
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t.Fatal(err)
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}
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testCases := []struct {
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cmd string
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want string
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}{
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{"CheckPtrAlignmentPtr", "fatal error: checkptr: misaligned pointer conversion\n"},
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{"CheckPtrAlignmentNoPtr", ""},
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{"CheckPtrAlignmentNilPtr", ""},
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{"CheckPtrArithmetic", "fatal error: checkptr: pointer arithmetic result points to invalid allocation\n"},
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{"CheckPtrArithmetic2", "fatal error: checkptr: pointer arithmetic result points to invalid allocation\n"},
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{"CheckPtrSize", "fatal error: checkptr: converted pointer straddles multiple allocations\n"},
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{"CheckPtrSmall", "fatal error: checkptr: pointer arithmetic computed bad pointer value\n"},
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{"CheckPtrSliceOK", ""},
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{"CheckPtrSliceFail", "fatal error: checkptr: unsafe.Slice result straddles multiple allocations\n"},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.cmd, func(t *testing.T) {
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t.Parallel()
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got, err := testenv.CleanCmdEnv(exec.Command(exe, tc.cmd)).CombinedOutput()
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if err != nil {
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t.Log(err)
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}
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if tc.want == "" {
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if len(got) > 0 {
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t.Errorf("output:\n%s\nwant no output", got)
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}
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return
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}
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if !strings.HasPrefix(string(got), tc.want) {
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t.Errorf("output:\n%s\n\nwant output starting with: %s", got, tc.want)
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}
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})
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}
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}
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func TestCheckPtr2(t *testing.T) {
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// This test requires rebuilding packages with -d=checkptr=2,
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// so it's somewhat slow.
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if testing.Short() {
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t.Skip("skipping test in -short mode")
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}
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t.Parallel()
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testenv.MustHaveGoRun(t)
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exe, err := buildTestProg(t, "testprog", "-gcflags=all=-d=checkptr=2")
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if err != nil {
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t.Fatal(err)
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}
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testCases := []struct {
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cmd string
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want string
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}{
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{"CheckPtrAlignmentNested", "fatal error: checkptr: converted pointer straddles multiple allocations\n"},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.cmd, func(t *testing.T) {
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t.Parallel()
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got, err := testenv.CleanCmdEnv(exec.Command(exe, tc.cmd)).CombinedOutput()
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if err != nil {
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t.Log(err)
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}
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if tc.want == "" {
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if len(got) > 0 {
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t.Errorf("output:\n%s\nwant no output", got)
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}
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return
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}
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if !strings.HasPrefix(string(got), tc.want) {
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t.Errorf("output:\n%s\n\nwant output starting with: %s", got, tc.want)
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}
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})
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}
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}
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