1 files changed, 84 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testFunctionBinding.cpp b/js/src/jsapi-tests/testFunctionBinding.cpp
new file mode 100644
index 0000000000..a63f1933e8
--- /dev/null
+++ b/js/src/jsapi-tests/testFunctionBinding.cpp
@@ -0,0 +1,84 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ *
+ * Test function name binding.
+ */
+/* 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 "mozilla/Utf8.h"  // mozilla::Utf8Unit
+
+#include "jsfriendapi.h"
+
+#include "js/CompilationAndEvaluation.h"  // JS::CompileFunction
+#include "js/SourceText.h"                // JS::Source{Ownership,Text}
+#include "jsapi-tests/tests.h"
+#include "util/Text.h"
+
+using namespace js;
+
+BEGIN_TEST(test_functionBinding) {
+  RootedFunction fun(cx);
+
+  JS::CompileOptions options(cx);
+  options.setFileAndLine(__FILE__, __LINE__);
+
+  JS::RootedObjectVector emptyScopeChain(cx);
+
+  // Named function shouldn't have it's binding.
+  {
+    static const char s1chars[] = "return (typeof s1) == 'undefined';";
+
+    JS::SourceText<mozilla::Utf8Unit> srcBuf;
+    CHECK(srcBuf.init(cx, s1chars, js_strlen(s1chars),
+                      JS::SourceOwnership::Borrowed));
+
+    fun = JS::CompileFunction(cx, emptyScopeChain, options, "s1", 0, nullptr,
+                              srcBuf);
+    CHECK(fun);
+  }
+
+  JS::RootedValueVector args(cx);
+  RootedValue rval(cx);
+  CHECK(JS::Call(cx, UndefinedHandleValue, fun, args, &rval));
+  CHECK(rval.isBoolean());
+  CHECK(rval.toBoolean());
+
+  // Named function shouldn't have `anonymous` binding.
+  {
+    static const char s2chars[] = "return (typeof anonymous) == 'undefined';";
+
+    JS::SourceText<mozilla::Utf8Unit> srcBuf;
+    CHECK(srcBuf.init(cx, s2chars, js_strlen(s2chars),
+                      JS::SourceOwnership::Borrowed));
+
+    fun = JS::CompileFunction(cx, emptyScopeChain, options, "s2", 0, nullptr,
+                              srcBuf);
+    CHECK(fun);
+  }
+
+  CHECK(JS::Call(cx, UndefinedHandleValue, fun, args, &rval));
+  CHECK(rval.isBoolean());
+  CHECK(rval.toBoolean());
+
+  // Anonymous function shouldn't have `anonymous` binding.
+  {
+    static const char s3chars[] = "return (typeof anonymous) == 'undefined';";
+
+    JS::SourceText<mozilla::Utf8Unit> srcBuf;
+    CHECK(srcBuf.init(cx, s3chars, js_strlen(s3chars),
+                      JS::SourceOwnership::Borrowed));
+
+    fun = JS::CompileFunction(cx, emptyScopeChain, options, nullptr, 0, nullptr,
+                              srcBuf);
+    CHECK(fun);
+  }
+
+  CHECK(JS::Call(cx, UndefinedHandleValue, fun, args, &rval));
+  CHECK(rval.isBoolean());
+  CHECK(rval.toBoolean());
+
+  return true;
+}
+END_TEST(test_functionBinding)