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-rw-r--r--js/src/tests/ecma_6/Function/arrow-has-duplicated.js15
1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Function/arrow-has-duplicated.js b/js/src/tests/ecma_6/Function/arrow-has-duplicated.js
new file mode 100644
index 000000000..19096ebf8
--- /dev/null
+++ b/js/src/tests/ecma_6/Function/arrow-has-duplicated.js
@@ -0,0 +1,15 @@
+// Make sure duplicated name is allowed in non-strict.
+function f0(a, a) {
+}
+
+// SyntaxError should be thrown if arrow function has duplicated name.
+assertThrowsInstanceOf(() => eval(`
+(a, a) => {
+};
+`), SyntaxError);
+assertThrowsInstanceOf(() => eval(`
+(a, ...a) => {
+};
+`), SyntaxError);
+
+reportCompare(0, 0, 'ok');