gistfile1.txt

commit 545b774a1f9622fe9fc9f775ff62481d6d23e9e5
Author: Yoshi Cheng-Hao Huang <allstars.chh@gmail.com>
Date:   Tue Jun 2 19:39:48 2020 +0200

    test Rooted<JSLinearString*>

diff --git a/js/src/jsapi-tests/moz.build b/js/src/jsapi-tests/moz.build
index 77ce80711e5f..6c86873210fc 100644
--- a/js/src/jsapi-tests/moz.build
+++ b/js/src/jsapi-tests/moz.build
@@ -64,16 +64,17 @@ UNIFIED_SOURCES += [
     'testIndexToString.cpp',
     'testInformalValueTypeName.cpp',
     'testIntern.cpp',
     'testIntlAvailableLocales.cpp',
     'testIntString.cpp',
     'testIsInsideNursery.cpp',
     'testIteratorObject.cpp',
     'testJSEvaluateScript.cpp',
+    'testJSLinearString.cpp',
     'testLookup.cpp',
     'testLooselyEqual.cpp',
     'testMappedArrayBuffer.cpp',
     'testMemoryAssociation.cpp',
     'testMutedErrors.cpp',
     'testNewObject.cpp',
     'testNewTargetInvokeConstructor.cpp',
     'testNullRoot.cpp',
diff --git a/js/src/jsapi-tests/testJSLinearString.cpp b/js/src/jsapi-tests/testJSLinearString.cpp
new file mode 100644
index 000000000000..b4623a8b183a
--- /dev/null
+++ b/js/src/jsapi-tests/testJSLinearString.cpp
@@ -0,0 +1,17 @@
+/* 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"
+
+using namespace JS;
+
+BEGIN_TEST(test_LinearString) {
+  JSString* str = JS_NewStringCopyZ(cx, "hello");
+  JS::RootedString rs(cx, str);
+  if (!rs) return false;
+  JS::Rooted<JSLinearString*> rls(cx, JS_EnsureLinearString(cx, rs));
+  if (!rls) return false;
+  return true;
+}
+END_TEST(test_LinearString)