github.com/hikaru7719/go@v0.0.0-20181025140707-c8b2ac68906a/misc/cgo/testsanitizers/msan_test.go (about)

     1  // Copyright 2017 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package sanitizers_test
     6  
     7  import (
     8  	"strings"
     9  	"testing"
    10  )
    11  
    12  func TestMSAN(t *testing.T) {
    13  	t.Parallel()
    14  	requireOvercommit(t)
    15  	config := configure("memory")
    16  	config.skipIfCSanitizerBroken(t)
    17  
    18  	mustRun(t, config.goCmd("build", "std"))
    19  
    20  	cases := []struct {
    21  		src     string
    22  		wantErr bool
    23  	}{
    24  		{src: "msan.go"},
    25  		{src: "msan2.go"},
    26  		{src: "msan2_cmsan.go"},
    27  		{src: "msan3.go"},
    28  		{src: "msan4.go"},
    29  		{src: "msan5.go"},
    30  		{src: "msan6.go"},
    31  		{src: "msan_fail.go", wantErr: true},
    32  	}
    33  	for _, tc := range cases {
    34  		tc := tc
    35  		name := strings.TrimSuffix(tc.src, ".go")
    36  		t.Run(name, func(t *testing.T) {
    37  			t.Parallel()
    38  
    39  			dir := newTempDir(t)
    40  			defer dir.RemoveAll(t)
    41  
    42  			outPath := dir.Join(name)
    43  			mustRun(t, config.goCmd("build", "-o", outPath, srcPath(tc.src)))
    44  
    45  			cmd := hangProneCmd(outPath)
    46  			if tc.wantErr {
    47  				out, err := cmd.CombinedOutput()
    48  				if err != nil {
    49  					return
    50  				}
    51  				t.Fatalf("%#q exited without error; want MSAN failure\n%s", strings.Join(cmd.Args, " "), out)
    52  			}
    53  			mustRun(t, cmd)
    54  		})
    55  	}
    56  }