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-rw-r--r--js/src/tests/non262/Function/function-name-for.js31
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/non262/Function/function-name-for.js b/js/src/tests/non262/Function/function-name-for.js
new file mode 100644
index 0000000000..2f04a5fa8d
--- /dev/null
+++ b/js/src/tests/non262/Function/function-name-for.js
@@ -0,0 +1,31 @@
+var BUGNUMBER = 883377;
+var summary = "Anonymous function name should be set based on for-in initializer";
+
+print(BUGNUMBER + ": " + summary);
+
+var exprs = [
+ ["function() {}", false],
+ ["function named() {}", true],
+ ["function*() {}", false],
+ ["function* named() {}", true],
+ ["async function() {}", false],
+ ["async function named() {}", true],
+ ["() => {}", false],
+ ["async () => {}", false],
+ ["class {}", false],
+ ["class named {}", true],
+];
+
+function testForInHead(expr, named) {
+ eval(`
+ for (var forInHead = ${expr} in {}) {
+ }
+ `);
+ assertEq(forInHead.name, named ? "named" : "forInHead");
+}
+for (var [expr, named] of exprs) {
+ testForInHead(expr, named);
+}
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);