Index: test/mjsunit/harmony/for-await-of.js |
diff --git a/test/mjsunit/harmony/for-await-of.js b/test/mjsunit/harmony/for-await-of.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..2a351f37692afbfd7ddb577aa743df5e57f0c4f9 |
--- /dev/null |
+++ b/test/mjsunit/harmony/for-await-of.js |
@@ -0,0 +1,528 @@ |
+// Copyright 2016 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-async-iteration --allow-natives-syntax --no-lazy |
neis
2017/01/20 14:38:16
Why do you require --no-lazy?
caitp
2017/01/20 20:17:19
This was from debugging the issue with lexical var
|
+ |
+let testFailed = false; |
+let testFailure; |
+(async function() { |
+ |
+ function async(iterable) { |
+ // Helper to turn a synchronous iterable into an asynchronous iterable, |
+ // without using the [Async-from-Sync Iterator]. |
+ let it = iterable[Symbol.iterator](); |
+ return { |
+ [Symbol.asyncIterator]() { |
+ return this; |
+ } |
+ , |
+ |
+ next() { |
neis
2017/01/20 14:38:16
The formatting here seems odd.
caitp
2017/01/20 20:17:19
I think clang-format doesn't really know how to de
|
+ return new Promise(function(resolve, reject) { |
+ let {value, done} = it.next(); |
+ Promise.resolve(value).then(function(value) { |
+ resolve({value, done}); |
+ }, reject); |
+ }); |
+ } |
+ } |
+ } |
+ |
+ let testDone; |
+ let test; |
neis
2017/01/20 14:38:16
nit: add blank line
caitp
2017/01/20 20:17:19
Done.
|
+ async function testBindingIdentifierVarDeclarationStatement() { |
+ let sum = 0; |
+ testDone = false; |
+ for |
+ await(var value of async([100, 200, 300, 400, 500])) sum += value; |
+ testDone = true; |
+ return sum; |
+ } |
+ |
+ test = testBindingIdentifierVarDeclarationStatement(); |
+ assertFalse(testDone); |
+ assertEquals(1500, await test); |
+ assertTrue(testDone); |
+ |
+ async function testBindingIdentifierVarDeclarationBlockStatement() { |
+ let sum = 0; |
+ testDone = false; |
+ for |
+ await(var value of async([100, 200, 300, 400, 500])) { |
+ 'use strict'; |
+ assertDoesNotThrow(() => delete test.nonexistentProperty); |
+ sum += value; |
+ } |
+ testDone = true; |
+ return sum; |
+ } |
+ |
+ test = testBindingIdentifierVarDeclarationBlockStatement(); |
+ assertFalse(testDone); |
+ assertEquals(1500, await test); |
+ assertTrue(testDone); |
+ |
+ async function testObjectBindingPatternVarDeclarationStatement() { |
+ let sum = 0, keys = []; |
+ let collection = [ |
+ {key: 'first', value: 10}, {key: undefined, value: 20}, {value: 30}, |
+ {key: 'last', value: 40} |
+ ]; |
+ testDone = false; |
+ for |
+ await(var {key = 'unknown', value} of async(collection)) |
+ keys.push(key), sum += value; |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testObjectBindingPatternVarDeclarationStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 100}, await test); |
+ assertTrue(testDone); |
+ |
+ async function testObjectBindingPatternVarDeclarationBlockStatement() { |
+ let sum = 0, keys = []; |
+ let collection = [ |
+ {key: 'first', value: 10}, {key: undefined, value: 20}, {value: 30}, |
+ {key: 'last', value: 40} |
+ ]; |
+ testDone = false; |
+ for |
+ await(var {key = 'unknown', value} of async(collection)) { |
+ 'use strict'; |
+ assertDoesNotThrow(() => delete test.nonexistentProperty); |
+ keys.push(key); |
+ sum += value; |
+ } |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testObjectBindingPatternVarDeclarationBlockStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 100}, await test); |
+ assertTrue(testDone); |
+ |
+ async function testArrayBindingPatternVarDeclarationStatement() { |
+ let sum = 0, keys = []; |
+ let collection = [['first', 10], [undefined, 20], [, 30], ['last', 40]]; |
+ testDone = false; |
+ for |
+ await(var [key = 'unknown', value] of async(collection)) |
+ keys.push(key), sum += value; |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testArrayBindingPatternVarDeclarationStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 100}, await test); |
+ assertTrue(testDone); |
+ |
+ async function testArrayBindingPatternVarDeclarationBlockStatement() { |
+ let sum = 0, keys = []; |
+ let collection = [['first', 10], [undefined, 20], [, 30], ['last', 40]]; |
+ testDone = false; |
+ for |
+ await(var [key = 'unknown', value] of async(collection)) { |
+ 'use strict'; |
+ assertDoesNotThrow(() => delete test.nonexistentProperty); |
+ keys.push(key); |
+ sum += value; |
+ } |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testArrayBindingPatternVarDeclarationBlockStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 100}, await test); |
+ assertTrue(testDone); |
+ |
+ // -------------------------------------------------------------------------- |
+ |
+ async function testBindingIdentifierLetDeclarationStatement() { |
+ let sum = 0; |
+ testDone = false; |
+ for |
+ await(let value of async([100, 200, 300, 400, 500])) sum += value; |
+ testDone = true; |
+ return sum; |
+ } |
+ |
+ test = testBindingIdentifierLetDeclarationStatement(); |
+ assertFalse(testDone); |
+ assertEquals(1500, await test); |
+ assertTrue(testDone); |
+ |
+ async function testBindingIdentifierLetDeclarationBlockStatement() { |
+ let sum = 0; |
+ testDone = false; |
+ for |
+ await(let value of async([100, 200, 300, 400, 500])) { |
+ 'use strict'; |
+ // Ensure strict mode applies to block with use-strict-directive |
neis
2017/01/20 14:38:16
Do you mean "does not apply"?
Maybe replace the c
caitp
2017/01/20 20:17:19
sgtm, done
|
+ assertDoesNotThrow(() => delete test.nonexistentProperty); |
+ sum += value; |
+ } |
+ testDone = true; |
+ return sum; |
+ } |
+ |
+ test = testBindingIdentifierLetDeclarationBlockStatement(); |
+ assertFalse(testDone); |
+ assertEquals(1500, await test); |
+ assertTrue(testDone); |
+ |
+ async function testObjectBindingPatternLetDeclarationStatement() { |
+ let sum = 0, keys = []; |
+ let collection = [ |
+ {key: 'first', value: 10}, {key: undefined, value: 20}, {value: 30}, |
+ {key: 'last', value: 40} |
+ ]; |
+ testDone = false; |
+ for |
+ await(let {key = 'unknown', value} of async(collection)) |
+ keys.push(key), sum += value; |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testObjectBindingPatternLetDeclarationStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 100}, await test); |
+ assertTrue(testDone); |
+ |
+ async function testObjectBindingPatternLetDeclarationBlockStatement() { |
+ let sum = 0, keys = []; |
+ let collection = [ |
+ {key: 'first', value: 10}, {key: undefined, value: 20}, {value: 30}, |
+ {key: 'last', value: 40} |
+ ]; |
+ testDone = false; |
+ for |
+ await(let {key = 'unknown', value} of async(collection)) { |
+ 'use strict'; |
+ assertDoesNotThrow(() => delete test.nonexistentProperty); |
+ keys.push(key); |
+ sum += value; |
+ } |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testObjectBindingPatternLetDeclarationBlockStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 100}, await test); |
+ assertTrue(testDone); |
+ |
+ async function testArrayBindingPatternLetDeclarationStatement() { |
+ let sum = 0, keys = []; |
+ let collection = [['first', 10], [undefined, 20], [, 30], ['last', 40]]; |
+ testDone = false; |
+ for |
+ await(let [key = 'unknown', value] of async(collection)) |
+ keys.push(key), sum += value; |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testArrayBindingPatternLetDeclarationStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 100}, await test); |
+ assertTrue(testDone); |
+ |
+ async function testArrayBindingPatternLetDeclarationBlockStatement() { |
+ let sum = 0, keys = []; |
+ let collection = [['first', 10], [undefined, 20], [, 30], ['last', 40]]; |
+ testDone = false; |
+ for |
+ await(let [key = 'unknown', value] of async(collection)) { |
+ 'use strict'; |
+ assertDoesNotThrow(() => delete test.nonexistentProperty); |
+ keys.push(key); |
+ sum += value; |
+ } |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testArrayBindingPatternLetDeclarationBlockStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 100}, await test); |
+ assertTrue(testDone); |
+ |
+ // -------------------------------------------------------------------------- |
+ |
+ async function testBindingIdentifierConstDeclarationStatement() { |
+ let sum = 0; |
+ testDone = false; |
+ for |
+ await(let value of async([100, 200, 300, 400, 500])) sum += value; |
+ testDone = true; |
+ return sum; |
+ } |
+ |
+ test = testBindingIdentifierConstDeclarationStatement(); |
+ assertFalse(testDone); |
+ assertEquals(1500, await test); |
+ assertTrue(testDone); |
+ |
+ async function testBindingIdentifierConstDeclarationBlockStatement() { |
+ let sum = 0; |
+ testDone = false; |
+ for |
+ await(const value of async([100, 200, 300, 400, 500])) { |
+ 'use strict'; |
+ // Ensure strict mode applies to block with use-strict-directive |
+ assertDoesNotThrow(() => delete test.nonexistentProperty); |
+ sum += value; |
+ } |
+ testDone = true; |
+ return sum; |
+ } |
+ |
+ test = testBindingIdentifierConstDeclarationBlockStatement(); |
+ assertFalse(testDone); |
+ assertEquals(1500, await test); |
+ assertTrue(testDone); |
+ |
+ async function testObjectBindingPatternConstDeclarationStatement() { |
+ let sum = 0, keys = []; |
+ let collection = [ |
+ {key: 'first', value: 10}, {key: undefined, value: 20}, {value: 30}, |
+ {key: 'last', value: 40} |
+ ]; |
+ testDone = false; |
+ for |
+ await(const {key = 'unknown', value} of async(collection)) |
+ keys.push(key), sum += value; |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testObjectBindingPatternConstDeclarationStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 100}, await test); |
+ assertTrue(testDone); |
+ |
+ async function testObjectBindingPatternConstDeclarationBlockStatement() { |
+ let sum = 0, keys = []; |
+ let collection = [ |
+ {key: 'first', value: 10}, {key: undefined, value: 20}, {value: 30}, |
+ {key: 'last', value: 40} |
+ ]; |
+ testDone = false; |
+ for |
+ await(const {key = 'unknown', value} of async(collection)) { |
+ 'use strict'; |
+ assertDoesNotThrow(() => delete test.nonexistentProperty); |
+ keys.push(key); |
+ sum += value; |
+ } |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testObjectBindingPatternConstDeclarationBlockStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 100}, await test); |
+ assertTrue(testDone); |
+ |
+ async function testArrayBindingPatternConstDeclarationStatement() { |
+ let sum = 0, keys = []; |
+ let collection = [['first', 10], [undefined, 20], [, 30], ['last', 40]]; |
+ testDone = false; |
+ for |
+ await(const [key = 'unknown', value] of async(collection)) |
+ keys.push(key), sum += value; |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testArrayBindingPatternConstDeclarationStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 100}, await test); |
+ assertTrue(testDone); |
+ |
+ async function testArrayBindingPatternConstDeclarationBlockStatement() { |
+ let sum = 0, keys = []; |
+ let collection = [['first', 10], [undefined, 20], [, 30], ['last', 40]]; |
+ testDone = false; |
+ for |
+ await(const [key = 'unknown', value] of async(collection)) { |
+ 'use strict'; |
+ assertDoesNotThrow(() => delete test.nonexistentProperty); |
+ keys.push(key); |
+ sum += value; |
+ } |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testArrayBindingPatternLetDeclarationBlockStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 100}, await test); |
+ assertTrue(testDone); |
+ |
+ // -------------------------------------------------------------------------- |
+ |
+ async function testBindingIdentifierLHSStatement() { |
+ let sum = 0; |
+ let value; |
+ testDone = false; |
+ for |
+ await(value of async([100, 200, 300, 400, 500])) sum += value; |
+ testDone = true; |
+ return sum; |
+ } |
+ |
+ test = testBindingIdentifierLHSStatement(); |
+ assertFalse(testDone); |
+ assertEquals(1500, await test); |
+ assertTrue(testDone); |
+ |
+ async function testBindingIdentifierLHSBlockStatement() { |
+ let sum = 0; |
+ let value; |
+ testDone = false; |
+ for |
+ await(value of async([100, 200, 300, 400, 500])) { |
+ 'use strict'; |
+ assertDoesNotThrow(() => delete test.nonexistentProperty); |
+ sum += value; |
+ } |
+ testDone = true; |
+ return sum; |
+ } |
+ |
+ test = testBindingIdentifierLHSStatement(); |
+ assertFalse(testDone); |
+ assertEquals(1500, await test); |
+ assertTrue(testDone); |
+ |
+ async function testObjectBindingPatternLHSStatement() { |
+ let sum = 0; |
+ let keys = []; |
+ let value; |
+ let key; |
+ let collection = [ |
+ {key: 'first', value: 1}, {key: undefined, value: 2}, {value: 3}, |
+ {key: 'last', value: 4} |
+ ]; |
+ testDone = false; |
+ for |
+ await({key = 'unknown', value} of async(collection)) |
+ keys.push(key), sum += value; |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testObjectBindingPatternLHSStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 10}, await test); |
+ assertTrue(testDone); |
+ |
+ async function testObjectBindingPatternLHSBlockStatement() { |
+ let sum = 0; |
+ let keys = []; |
+ let value; |
+ let key; |
+ let collection = [ |
+ {key: 'first', value: 1}, {key: undefined, value: 2}, {value: 3}, |
+ {key: 'last', value: 4} |
+ ]; |
+ testDone = false; |
+ for |
+ await({key = 'unknown', value} of async(collection)) { |
+ 'use strict'; |
+ assertDoesNotThrow(() => delete test.nonexistentProperty); |
+ keys.push(key); |
+ sum += value; |
+ } |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testObjectBindingPatternLHSBlockStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 10}, await test); |
+ assertTrue(testDone); |
+ |
+ async function testArrayBindingPatternLHSStatement() { |
+ let sum = 0; |
+ let keys = []; |
+ let value; |
+ let key; |
+ let collection = [['first', 1], [undefined, 2], [, 3], ['last', 4]]; |
+ testDone = false; |
+ for |
+ await([key = 'unknown', value] of async(collection)) { |
+ 'use strict'; |
+ assertDoesNotThrow(() => delete test.nonexistentProperty); |
+ keys.push(key); |
+ sum += value; |
+ } |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testArrayBindingPatternLHSStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 10}, await test); |
+ assertTrue(testDone); |
+ |
+ async function testArrayBindingPatternLHSBlockStatement() { |
+ let sum = 0; |
+ let keys = []; |
+ let value; |
+ let key; |
+ let collection = [ |
+ {key: 'first', value: 1}, {key: undefined, value: 2}, {value: 3}, |
+ {key: 'last', value: 4} |
+ ]; |
+ testDone = false; |
+ for |
+ await({key = 'unknown', value} of async(collection)) { |
+ 'use strict'; |
+ assertDoesNotThrow(() => delete test.nonexistentProperty); |
+ keys.push(key); |
+ sum += value; |
+ } |
+ testDone = true; |
+ return {keys, sum}; |
+ } |
+ |
+ test = testArrayBindingPatternLHSBlockStatement(); |
+ assertFalse(testDone); |
+ assertEquals( |
+ {keys: ['first', 'unknown', 'unknown', 'last'], sum: 10}, await test); |
+ assertTrue(testDone); |
+})().then(undefined, function(error) { |
+ testFailed = true; |
+ testFailure = error; |
+}); |
+ |
+% RunMicrotasks(); |
+ |
+if (testFailed) { |
+ print(testFailure.stack); |
+ throw testFailure; |
+} |
neis
2017/01/20 14:38:16
Great tests!
Please add some that exercise the it
caitp
2017/01/20 20:17:19
I think the tests where "Symbol.asyncIterator" isn
|