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Unified Diff: test/mjsunit/es6/block-let-contextual-sloppy.js

Issue 1571793002: Reland of Ship ES2015 sloppy-mode function hoisting, let, class (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 11 months ago
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Index: test/mjsunit/es6/block-let-contextual-sloppy.js
diff --git a/test/mjsunit/es6/block-let-contextual-sloppy.js b/test/mjsunit/es6/block-let-contextual-sloppy.js
new file mode 100644
index 0000000000000000000000000000000000000000..acf91bad1f1b06f054b2e928efe27d6560516274
--- /dev/null
+++ b/test/mjsunit/es6/block-let-contextual-sloppy.js
@@ -0,0 +1,66 @@
+// Copyright 2015 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --harmony-sloppy --harmony-sloppy-let --harmony-destructuring-bind
+
+// let is usable as a variable with var or legacy const, not let or ES6 const
+
+(function (){
+ assertEquals(undefined, let);
+
+ var let;
+
+ let = 5;
+ assertEquals(5, let);
+
+ (function() { var let = 1; assertEquals(1, let); })();
+ assertEquals(5, let);
+})();
+
+assertThrows(function() { return let; }, ReferenceError);
+
+(function() {
+ var let, sum = 0;
+ for (let in [1, 2, 3, 4]) sum += Number(let);
+ assertEquals(6, sum);
+
+ (function() { for (var let of [4, 5]) sum += let; })();
+ assertEquals(15, sum);
+
+ (function() { for (var let in [6]) sum += Number([6][let]); })();
+ assertEquals(21, sum);
+
+ for (let = 7; let < 8; let++) sum += let;
+ assertEquals(28, sum);
+ assertEquals(8, let);
+
+ (function() { for (var let = 8; let < 9; let++) sum += let; })();
+ assertEquals(36, sum);
+ assertEquals(8, let);
+})();
+
+assertThrows(function() { return let; }, ReferenceError);
+
+(function () {
+ let obj = {};
+ var {let} = {let() { return obj; }};
+ let().x = 1;
+ assertEquals(1, obj.x);
+})();
+
+(function () {
+ let obj = {};
+ const [let] = [function() { return obj; }];
+ let().x = 1;
+ assertEquals(1, obj.x);
+})();
+
+(function() {
+ function let() {
+ return 1;
+ }
+ assertEquals(1, let());
+})()
+
+assertThrows('for (let of []) {}', SyntaxError);
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