Report value of GOROOT when test fails.

ChrisHines · ChrisHines · commit 257dc34db82f · 2015-03-05T13:45:44.000-05:00
diff --git a/stack_test.go b/stack_test.go
@@ -109,7 +109,7 @@ func trimBelow() stack.CallStack {
 func TestTrimRuntime(t *testing.T) {
 	trace := stack.Trace().TrimRuntime()
 	if got, want := len(trace), 1; got != want {
-		t.Errorf("got len(trace) == %v, want %v, trace: %#v", got, want, trace)
+		t.Errorf("got len(trace) == %v, want %v, goroot: %q, trace: %#v", got, want, runtime.GOROOT(), trace)
 	}
 }
 

Original file line number	Diff line number	Diff line change
`@@ -109,7 +109,7 @@ func trimBelow() stack.CallStack {`
`109`	`109`	`func TestTrimRuntime(t *testing.T) {`
`110`	`110`	`trace := stack.Trace().TrimRuntime()`
`111`	`111`	`if got, want := len(trace), 1; got != want {`
`112`		`- t.Errorf("got len(trace) == %v, want %v, trace: %#v", got, want, trace)`
	`112`	`+ t.Errorf("got len(trace) == %v, want %v, goroot: %q, trace: %#v", got, want, runtime.GOROOT(), trace)`
`113`	`113`	`}`
`114`	`114`	`}`
`115`	`115`