Import tests from Google V8 (Block Scope Additions)

These tests are derived from the following files within the Google V8 project:

    test/mjsunit/es6/regress/regress-2506.js
    test/mjsunit/es6/regress/regress-3426.js
    test/mjsunit/es6/regress/regress-3683.js

test/language/block-scope/syntax/for-in/mixed-values-in-iteration.js

@@ -5,7 +5,6 @@ es6id: 13.1
 description: >
     Mixed values in iteration
 ---*/
-"use strict";
 function fn(x) {
   let a = [];
   for (let p in x) {

test/language/statements/const/redeclaration-error-from-within-strict-mode-function-const.js

@@ -0,0 +1,11 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.1
+description: >
+    Redeclaration error within strict mode function inside non-strict code.
+negative: SyntaxError
+flags: [noStrict]
+---*/
+(function() { 'use strict'; { const f = 1; var f; } })
+

test/language/statements/const/syntax/const-invalid-assignment-next-expression-for.js

@@ -1,10 +1,10 @@
 // Copyright (C) 2015 Rick Waldron. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 /*---
-es6id: 13.1
+es6id: 13.6.3.7_S5.a.i
 description: >
     const: invalid assignment in next expression
 negative: TypeError
 ---*/
 
-for (const i = 0; i < 1; i++) { }
+for (const i = 0; i < 1; i++) {}

test/language/statements/const/syntax/const-invalid-assignment-statement-body-for-in.js

@@ -0,0 +1,10 @@
+// Copyright (C) 2011 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.6.4.10_S1.a.i
+description: >
+    const: invalid assignment in Statement body
+negative: TypeError
+---*/
+
+for (const x in [1, 2, 3]) { x++ }

test/language/statements/const/syntax/const-invalid-assignment-statement-body-for-of.js

@@ -0,0 +1,10 @@
+// Copyright (C) 2011 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.6.4.10_S1.a.i
+description: >
+    const: invalid assignment in Statement body
+negative: TypeError
+---*/
+
+for (const x of [1, 2, 3]) { x++ }

test/language/statements/continue/labeled-continue.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.12
+description: >
+    labeled continue
+---*/
+var count = 0;
+label: for (let x = 0; x < 10;) {
+  while (true) {
+    x++;
+    count++;
+    continue label;
+  }
+}
+assert.sameValue(count, 10, "The value of `count` is `10`");

test/language/statements/continue/nested-let-bound-for-loops-inner-continue.js

@@ -0,0 +1,17 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.12
+description: >
+    nested let bound for loops inner continue
+---*/
+var count = 0;
+for (let x = 0; x < 10;) {
+  x++;
+  for (let y = 0; y < 2;) {
+    y++;
+    count++;
+    continue;
+  }
+}
+assert.sameValue(count, 20, "The value of `count` is `20`");

test/language/statements/continue/nested-let-bound-for-loops-labeled-continue.js

@@ -0,0 +1,17 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.12
+description: >
+    nested let bound for loops labeled continue
+---*/
+var count = 0;
+outer: for (let x = 0; x < 10;) {
+  x++;
+  for (let y = 0; y < 2;) {
+    y++;
+    count++;
+    if (y == 2) continue outer;
+  }
+}
+assert.sameValue(count, 20, "The value of `count` is `20`");

test/language/statements/continue/nested-let-bound-for-loops-outer-continue.js

@@ -0,0 +1,17 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.12
+description: >
+    nested let bound for loops outer continue
+---*/
+var count = 0;
+for (let x = 0; x < 10;) {
+  x++;
+  for (let y = 0; y < 2;) {
+    y++;
+    count++;
+  }
+  continue;
+}
+assert.sameValue(count, 20, "The value of `count` is `20`");

test/language/statements/continue/no-label-continue.js

@@ -0,0 +1,15 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.12
+description: >
+    no label continue
+---*/
+var count = 0;
+for (let x = 0; x < 10;) {
+  x++;
+  count++;
+  continue;
+}
+assert.sameValue(count, 10, "The value of `count` is `10`");
+

test/language/statements/continue/shadowing-loop-variable-in-same-scope-as-continue.js

@@ -0,0 +1,17 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.12
+description: >
+    shadowing loop variable in same scope as continue
+---*/
+var count = 0;
+for (let x = 0; x < 10;) {
+  x++;
+  count++;
+  {
+    let x = "hello";
+    continue;
+  }
+}
+assert.sameValue(count, 10, "The value of `count` is `10`");

test/language/statements/continue/simple-and-labeled.js

@@ -0,0 +1,15 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.12
+description: >
+    basic labeled for loop with continue
+---*/
+var count = 0;
+label: for (let x = 0; x < 10;) {
+  x++;
+  count++;
+  continue label;
+}
+assert.sameValue(count, 10, "The value of `count` is `10`");
+

test/language/statements/for-in/const-bound-names-fordecl-tdz-for-in.js

@@ -0,0 +1,12 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.6.4.12_S2
+description: >
+    ForIn/Of: Bound names of ForDeclaration are in TDZ (for-of)
+negative: ReferenceError
+---*/
+
+let x = 1;
+for (const x in { x }) {}
+

test/language/statements/for-in/const-fresh-binding-per-iteration-for-in.js

@@ -0,0 +1,15 @@
+// Copyright (C) 2011 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.6.4.13
+description: >
+    const ForDeclaration: creates a fresh binding per iteration
+---*/
+
+let s = '';
+for (const x of [1, 2, 3]) {
+  s += x;
+}
+assert.sameValue(s, '123', "The value of `s` is `'123'`");
+
+

test/language/statements/for-in/let-bound-names-fordecl-tdz-for-in.js

@@ -0,0 +1,12 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.6.4.12_S2
+description: >
+    ForIn/Of: Bound names of ForDeclaration are in TDZ (for-of)
+negative: ReferenceError
+---*/
+
+let x = 1;
+for (let x in { x }) {}
+

test/language/statements/for-in/let-fresh-binding-per-iteration-for-in.js

@@ -0,0 +1,15 @@
+// Copyright (C) 2011 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.6.4.13
+description: >
+    let ForDeclaration: creates a fresh binding per iteration
+---*/
+
+let s = '';
+for (let x of [1, 2, 3]) {
+  s += x;
+}
+assert.sameValue(s, '123', "The value of `s` is `'123'`");
+
+

test/language/statements/for-of/const-bound-names-fordecl-tdz-for-of.js

@@ -0,0 +1,12 @@
+// Copyright (C) 2011 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.6.4.12_S2
+description: >
+    ForIn/Of: Bound names of ForDeclaration are in TDZ (for-of)
+negative: ReferenceError
+---*/
+
+let x = 1;
+for (const x of [x]) {}
+

test/language/statements/for-of/const-fresh-binding-per-iteration-for-of.js

@@ -0,0 +1,19 @@
+// Copyright (C) 2011 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.6.4.13
+description: >
+    const ForDeclaration: creates a fresh binding per iteration
+---*/
+
+let s = 0;
+let f = [undefined, undefined, undefined];
+
+for (const x of [1, 2, 3]) {
+  s += x;
+  f[x-1] = function() { return x; }
+}
+assert.sameValue(s, 6, "The value of `s` is `6`");
+assert.sameValue(f[0](), 1, "`f[0]()` returns `1`");
+assert.sameValue(f[1](), 2, "`f[1]()` returns `2`");
+assert.sameValue(f[2](), 3, "`f[2]()` returns `3`");

test/language/statements/for-of/let-bound-names-fordecl-tdz-for-of.js

@@ -0,0 +1,12 @@
+// Copyright (C) 2011 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.6.4.12_S2
+description: >
+    ForIn/Of: Bound names of ForDeclaration are in TDZ (for-of)
+negative: ReferenceError
+---*/
+
+let x = 1;
+for (let x of [x]) {}
+

test/language/statements/for-of/let-fresh-binding-per-iteration-for-of.js

@@ -0,0 +1,19 @@
+// Copyright (C) 2011 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.6.4.13
+description: >
+    let ForDeclaration: creates a fresh binding per iteration
+---*/
+
+let s = 0;
+let f = [undefined, undefined, undefined];
+
+for (let x of [1, 2, 3]) {
+  s += x;
+  f[x-1] = function() { return x; }
+}
+assert.sameValue(s, 6, "The value of `s` is `6`");
+assert.sameValue(f[0](), 1, "`f[0]()` returns `1`");
+assert.sameValue(f[1](), 2, "`f[1]()` returns `2`");
+assert.sameValue(f[2](), 3, "`f[2]()` returns `3`");

test/language/statements/for/const-fresh-binding-per-iteration-for.js

@@ -0,0 +1,14 @@
+// Copyright (C) 2011 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.6.4.13
+description: >
+    const ForDeclaration: creates a fresh binding per iteration
+---*/
+
+let z = 1;
+let s = 0;
+for (const x = 1; z < 2; z++) {
+  s += x + z;
+}
+assert.sameValue(s, 2, "The value of `s` is `2`");

test/language/statements/for/let-fresh-binding-per-iteration-for.js

@@ -0,0 +1,14 @@
+// Copyright (C) 2011 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.6.4.13
+description: >
+    let ForDeclaration: creates a fresh binding per iteration
+---*/
+
+let z = 1;
+let s = 0;
+for (let x = 1; z < 2; z++) {
+  s += x + z;
+}
+assert.sameValue(s, 2, "The value of `s` is `2`");

test/language/statements/let/redeclaration-error-from-within-strict-mode-function.js

@@ -0,0 +1,11 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.1
+description: >
+    Redeclaration error within strict mode function inside non-strict code.
+negative: SyntaxError
+flags: [noStrict]
+---*/
+(function() { 'use strict'; { let f; var f; } })
+