cmd/cgo/internal/testsanitizers: skip some libfuzzer tests in short mode

These tests are newly-running now that we have installed a C++ toolchain
on the clang builders, but one of them doesn't actually complete in short
mode.

For #67698.

Change-Id: Id1ff4c05e380426d920277c13495f30e23561a4e
Reviewed-on: https://go-review.googlesource.com/c/go/+/589295
Auto-Submit: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>

diff --git a/src/cmd/cgo/internal/testsanitizers/libfuzzer_test.go b/src/cmd/cgo/internal/testsanitizers/libfuzzer_test.go
index 3f5b1d91c786e026b3b7f963ab6a041b8d0255b5..9cb67e7a1d62654a6bcad7e5129291f5428c1b67 100644 (file)
--- a/src/cmd/cgo/internal/testsanitizers/libfuzzer_test.go
+++ b/src/cmd/cgo/internal/testsanitizers/libfuzzer_test.go
@@ -33,8 +33,9 @@ func TestLibFuzzer(t *testing.T) {
                goSrc         string
                cSrc          string
                expectedError string
+               short         bool
        }{
-               {goSrc: "libfuzzer1.go", expectedError: "panic: found it"},
+               {goSrc: "libfuzzer1.go", expectedError: "panic: found it", short: true},
                {goSrc: "libfuzzer2.go", cSrc: "libfuzzer2.c", expectedError: "panic: found it"},
        }
        for _, tc := range cases {
@@ -43,6 +44,11 @@ func TestLibFuzzer(t *testing.T) {
                t.Run(name, func(t *testing.T) {
                        t.Parallel()
 
+                       // Skip long-running tests in short mode.
+                       if testing.Short() && !tc.short {
+                               t.Skipf("%s can take upwards of minutes to run; skipping in short mode", name)
+                       }
+
                        dir := newTempDir(t)
                        defer dir.RemoveAll(t)