From: Cherry Mui <cherryyz@google.com>
Date: Wed, 5 Jul 2023 20:03:55 +0000 (-0400)
Subject: runtime: print output on failure in TestMemPprof
X-Git-Tag: go1.21rc3~2^2~23
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=e6ec2a34dc1e1c319588fb0cb449abf55291977f;p=gostls13.git

runtime: print output on failure in TestMemPprof

If running testprog fails, print the output.

For #60901.

Change-Id: Iee80fb09412ce13bae6ac3589779a8cdf7761765
Reviewed-on: https://go-review.googlesource.com/c/go/+/507978
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Cherry Mui <cherryyz@google.com>
---

diff --git a/src/runtime/crash_test.go b/src/runtime/crash_test.go
index cd978cc34b..8f11333b46 100644
--- a/src/runtime/crash_test.go
+++ b/src/runtime/crash_test.go
@@ -534,7 +534,7 @@ func TestMemPprof(t *testing.T) {
 
 	got, err := testenv.CleanCmdEnv(exec.Command(exe, "MemProf")).CombinedOutput()
 	if err != nil {
-		t.Fatal(err)
+		t.Fatalf("testprog failed: %s, output:\n%s", err, got)
 	}
 	fn := strings.TrimSpace(string(got))
 	defer os.Remove(fn)