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-rw-r--r--js/src/tests/ecma_7/AsyncFunctions/EarlyErrors.js51
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/ecma_7/AsyncFunctions/EarlyErrors.js b/js/src/tests/ecma_7/AsyncFunctions/EarlyErrors.js
new file mode 100644
index 000000000..cb28d104b
--- /dev/null
+++ b/js/src/tests/ecma_7/AsyncFunctions/EarlyErrors.js
@@ -0,0 +1,51 @@
+var BUGNUMBER = 1185106;
+var summary = "EarlyErrors for async function";
+
+print(BUGNUMBER + ": " + summary);
+
+function assertThrowsSE(code) {
+ assertThrows(() => Reflect.parse(code), SyntaxError);
+}
+
+if (typeof Reflect !== "undefined" && Reflect.parse) {
+ // If FormalParameters Contains AwaitExpression is true.
+ assertThrowsSE("async function a(k = await 3) {}");
+ assertThrowsSE("(async function(k = await 3) {})");
+ assertThrowsSE("(async function a(k = await 3) {})");
+
+ // If BindingIdentifier is `eval` or `arguments`.
+ assertThrowsSE("'use strict'; async function eval() {}");
+ assertThrowsSE("'use strict'; (async function eval() {})");
+
+ assertThrowsSE("'use strict'; async function arguments() {}");
+ assertThrowsSE("'use strict'; (async function arguments() {})");
+
+ // If any element of the BoundNames of FormalParameters also occurs in the
+ // LexicallyDeclaredNames of AsyncFunctionBody.
+ assertThrowsSE("async function a(x) { let x; }");
+ assertThrowsSE("(async function(x) { let x; })");
+ assertThrowsSE("(async function a(x) { let x; })");
+
+ // If FormalParameters contains SuperProperty is true.
+ assertThrowsSE("async function a(k = super.prop) { }");
+ assertThrowsSE("(async function(k = super.prop) {})");
+ assertThrowsSE("(async function a(k = super.prop) {})");
+
+ // If AsyncFunctionBody contains SuperProperty is true.
+ assertThrowsSE("async function a() { super.prop(); }");
+ assertThrowsSE("(async function() { super.prop(); })");
+ assertThrowsSE("(async function a() { super.prop(); })");
+
+ // If FormalParameters contains SuperCall is true.
+ assertThrowsSE("async function a(k = super()) {}");
+ assertThrowsSE("(async function(k = super()) {})");
+ assertThrowsSE("(async function a(k = super()) {})");
+
+ // If AsyncFunctionBody contains SuperCall is true.
+ assertThrowsSE("async function a() { super(); }");
+ assertThrowsSE("(async function() { super(); })");
+ assertThrowsSE("(async function a() { super(); })");
+}
+
+if (typeof reportCompare === "function")
+ reportCompare(true, true);