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-rw-r--r--js/src/jsapi-tests/testDifferentNewTargetInvokeConstructor.cpp37
1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testDifferentNewTargetInvokeConstructor.cpp b/js/src/jsapi-tests/testDifferentNewTargetInvokeConstructor.cpp
new file mode 100644
index 000000000..aec2b9616
--- /dev/null
+++ b/js/src/jsapi-tests/testDifferentNewTargetInvokeConstructor.cpp
@@ -0,0 +1,37 @@
+/* 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.h"
+
+#include "jsapi-tests/tests.h"
+
+BEGIN_TEST(testDifferentNewTargetInvokeConstructor)
+{
+ JS::RootedValue func(cx);
+ JS::RootedValue otherFunc(cx);
+
+ EVAL("(function() { /* This is a different new.target function */ })", &otherFunc);
+
+ EVAL("(function(expected) { if (expected !== new.target) throw new Error('whoops'); })",
+ &func);
+
+ JS::AutoValueArray<1> args(cx);
+ args[0].set(otherFunc);
+
+ JS::RootedObject obj(cx);
+
+ JS::RootedObject newTarget(cx, &otherFunc.toObject());
+
+ CHECK(JS::Construct(cx, func, newTarget, args, &obj));
+
+ // It should fail, though, if newTarget is not a constructor
+ JS::RootedValue plain(cx);
+ EVAL("({})", &plain);
+ args[0].set(plain);
+ newTarget = &plain.toObject();
+ CHECK(!JS::Construct(cx, func, newTarget, args, &obj));
+
+ return true;
+}
+END_TEST(testDifferentNewTargetInvokeConstructor)