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-rw-r--r--js/src/tests/non262/extensions/expression-closure-syntax.js62
1 files changed, 62 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/expression-closure-syntax.js b/js/src/tests/non262/extensions/expression-closure-syntax.js
new file mode 100644
index 0000000000..84b3cc8fe9
--- /dev/null
+++ b/js/src/tests/non262/extensions/expression-closure-syntax.js
@@ -0,0 +1,62 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 1416337;
+var summary =
+ "Expression closure syntax is only permitted for functions that constitute " +
+ "entire AssignmentExpressions, not PrimaryExpressions that are themselves " +
+ "components of larger binary expressions";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+{
+ function assertThrowsSyntaxError(code)
+ {
+ function testOne(replacement)
+ {
+ var x, rv;
+ try
+ {
+ rv = eval(code.replace("@@@", replacement));
+ }
+ catch (e)
+ {
+ assertEq(e instanceof SyntaxError, true,
+ "should have thrown a SyntaxError, instead got: " + e);
+ return;
+ }
+
+ assertEq(true, false, "should have thrown, instead returned " + rv);
+ }
+
+ testOne("function");
+ testOne("async function");
+ }
+
+ assertThrowsSyntaxError("x = ++@@@() 1");
+ assertThrowsSyntaxError("x = delete @@@() 1");
+ assertThrowsSyntaxError("x = new @@@() 1");
+ assertThrowsSyntaxError("x = void @@@() 1");
+ assertThrowsSyntaxError("x = +@@@() 1");
+ assertThrowsSyntaxError("x = 1 + @@@() 1");
+ assertThrowsSyntaxError("x = null != @@@() 1");
+ assertThrowsSyntaxError("x = null != @@@() 0 ? 1 : a => {}");
+ assertThrowsSyntaxError("x = @@@() 0 ? 1 : a => {} !== null");
+ assertThrowsSyntaxError("x = @@@() 0 ? 1 : a => {}.toString");
+ assertThrowsSyntaxError("x = @@@() 0 ? 1 : a => {}['toString']");
+ assertThrowsSyntaxError("x = @@@() 0 ? 1 : a => {}``");
+ assertThrowsSyntaxError("x = @@@() 0 ? 1 : a => {}()");
+ assertThrowsSyntaxError("x = @@@() 0 ? 1 : a => {}++");
+ assertThrowsSyntaxError("x = @@@() 0 ? 1 : a => {} || 0");
+ assertThrowsSyntaxError("x = 0 || @@@() 0 ? 1 : a => {}");
+ assertThrowsSyntaxError("x = @@@() 0 ? 1 : a => {} && true");
+ assertThrowsSyntaxError("x = true && @@@() 0 ? 1 : a => {}");
+}
+
+if (typeof reportCompare === "function")
+ reportCompare(true, true);