Chromium Code Reviews| Index: runtime/vm/zone_test.cc | 
| =================================================================== | 
| --- runtime/vm/zone_test.cc (revision 5367) | 
| +++ runtime/vm/zone_test.cc (working copy) | 
| @@ -119,4 +119,11 @@ | 
| delete isolate; | 
| } | 
| + | 
| +TEST_CASE(PrintToString) { | 
| + Zone zone(Isolate::Current()); | 
| + const char* result = zone.PrintToString("Hello %s!", "World"); | 
| + EXPECT_STREQ("Hello World!", result); | 
| +} | 
| + | 
| } // namespace dart |