expvar: fix map key output
To create a valid JSON string, "%s" is not enough.
Fixes #7761.
LGTM=bradfitz
R=golang-codereviews, bradfitz
CC=golang-codereviews
https://golang.org/cl/86730043
diff --git a/src/pkg/expvar/expvar_test.go b/src/pkg/expvar/expvar_test.go
index d2ea484..765e3b7 100644
--- a/src/pkg/expvar/expvar_test.go
+++ b/src/pkg/expvar/expvar_test.go
@@ -97,15 +97,15 @@
colors.Add("red", 1)
colors.Add("red", 2)
colors.Add("blue", 4)
- colors.AddFloat("green", 4.125)
+ colors.AddFloat(`green "midori"`, 4.125)
if x := colors.m["red"].(*Int).i; x != 3 {
t.Errorf("colors.m[\"red\"] = %v, want 3", x)
}
if x := colors.m["blue"].(*Int).i; x != 4 {
t.Errorf("colors.m[\"blue\"] = %v, want 4", x)
}
- if x := colors.m["green"].(*Float).f; x != 4.125 {
- t.Errorf("colors.m[\"green\"] = %v, want 3.14", x)
+ if x := colors.m[`green "midori"`].(*Float).f; x != 4.125 {
+ t.Errorf("colors.m[`green \"midori\"] = %v, want 3.14", x)
}
// colors.String() should be '{"red":3, "blue":4}',
