1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testIntString.cpp b/js/src/jsapi-tests/testIntString.cpp
new file mode 100644
index 0000000000..8733e669ec
--- /dev/null
+++ b/js/src/jsapi-tests/testIntString.cpp
@@ -0,0 +1,49 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "jsapi-tests/tests.h"
+
+BEGIN_TEST(testIntString_bug515273) {
+  JS::RootedValue v(cx);
+
+  EVAL("'1';", &v);
+  JSString* str = v.toString();
+  CHECK(JS_StringHasBeenPinned(cx, str));
+  CHECK(JS_LinearStringEqualsLiteral(JS_ASSERT_STRING_IS_LINEAR(str), "1"));
+
+  EVAL("'42';", &v);
+  str = v.toString();
+  CHECK(JS_StringHasBeenPinned(cx, str));
+  CHECK(JS_LinearStringEqualsLiteral(JS_ASSERT_STRING_IS_LINEAR(str), "42"));
+
+  // Short string literal should use atom.
+  EVAL("'111';", &v);
+  str = v.toString();
+  CHECK(JS_StringHasBeenPinned(cx, str));
+  CHECK(JS_LinearStringEqualsLiteral(JS_ASSERT_STRING_IS_LINEAR(str), "111"));
+
+  // Long string literal shouldn't use atom, but just linear string.
+  EVAL("'111222333';", &v);
+  str = v.toString();
+  CHECK(!JS_StringHasBeenPinned(cx, str));
+  CHECK(JS_LinearStringEqualsLiteral(JS_ASSERT_STRING_IS_LINEAR(str),
+                                     "111222333"));
+
+  /* Test other types of static strings. */
+  EVAL("'a';", &v);
+  str = v.toString();
+  CHECK(JS_StringHasBeenPinned(cx, str));
+  CHECK(JS_LinearStringEqualsLiteral(JS_ASSERT_STRING_IS_LINEAR(str), "a"));
+
+  EVAL("'bc';", &v);
+  str = v.toString();
+  CHECK(JS_StringHasBeenPinned(cx, str));
+  CHECK(JS_LinearStringEqualsLiteral(JS_ASSERT_STRING_IS_LINEAR(str), "bc"));
+
+  return true;
+}
+END_TEST(testIntString_bug515273)