Merge pull request #464 from jugglinmike/improve-promise-coverage-cap

Improve Promise coverage: NewPromiseCapability

test/built-ins/Promise/all/ctx-ctor-throws.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    `Promise.all` invoked on a constructor value that throws an error
+es6id: 25.4.4.1
+info: >
+    1. Let C be the this value.
+    [...]
+    6. Let promiseCapability be NewPromiseCapability(C).
+    7. ReturnIfAbrupt(promiseCapability).
+
+    25.4.1.5 NewPromiseCapability
+    [...]
+    6. Let promise be Construct(C, «executor»).
+    7. ReturnIfAbrupt(promise).
+---*/
+
+var CustomPromise = function() {
+  throw new Test262Error();
+};
+
+assert.throws(Test262Error, function() {
+  Promise.all.call(CustomPromise);
+});

test/built-ins/Promise/prototype/then/ctor-throws.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    `Promise.prototype.then` invoked on a constructor value that throws an
+    error
+es6id: 25.4.5.3
+info: >
+    1. Let promise be the this value.
+    [...]
+    3. Let C be SpeciesConstructor(promise, %Promise%).
+    [...]
+    5. Let resultCapability be NewPromiseCapability(C).
+    6. ReturnIfAbrupt(resultCapability).
+
+    25.4.1.5 NewPromiseCapability
+    [...]
+    6. Let promise be Construct(C, «executor»).
+    7. ReturnIfAbrupt(promise).
+    features: [Symbol.species]
+---*/
+
+var BadCtor = function() {
+  throw new Test262Error();
+};
+var originalSpecies = Object.getOwnPropertyDescriptor(Promise, Symbol.species);
+
+Object.defineProperty(Promise, Symbol.species, { value: BadCtor });
+
+try {
+  var p = new Promise(function(resolve) { resolve(); });
+
+  assert.throws(Test262Error, function() {
+    p.then();
+  });
+} finally {
+  Object.defineProperty(Promise, Symbol.species, originalSpecies);
+}

test/built-ins/Promise/race/ctx-ctor-throws.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    `Promise.race` invoked on a constructor value that throws an error
+es6id: 25.4.4.3
+info: >
+    1. Let C be the this value.
+    [...]
+    6. Let promiseCapability be NewPromiseCapability(C).
+    7. ReturnIfAbrupt(promiseCapability).
+
+    25.4.1.5 NewPromiseCapability
+    [...]
+    6. Let promise be Construct(C, «executor»).
+    7. ReturnIfAbrupt(promise).
+---*/
+
+var CustomPromise = function() {
+  throw new Test262Error();
+};
+
+assert.throws(Test262Error, function() {
+  Promise.race.call(CustomPromise);
+});

test/built-ins/Promise/reject/ctx-ctor-throws.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    `Promise.reject` invoked on a constructor value that throws an error
+es6id: 25.4.4.4
+info: >
+    1. Let C be the this value.
+    [...]
+    3. Let promiseCapability be NewPromiseCapability(C).
+    4. ReturnIfAbrupt(promiseCapability).
+
+    25.4.1.5 NewPromiseCapability
+    [...]
+    6. Let promise be Construct(C, «executor»).
+    7. ReturnIfAbrupt(promise).
+---*/
+
+var CustomPromise = function() {
+  throw new Test262Error();
+};
+
+assert.throws(Test262Error, function() {
+  Promise.reject.call(CustomPromise);
+});

test/built-ins/Promise/resolve/ctx-ctor-throws.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    `Promise.resolve` invoked on a constructor value that throws an error
+es6id: 25.4.4.5
+info: >
+    1. Let C be the this value.
+    [...]
+    4. Let promiseCapability be NewPromiseCapability(C).
+    5. ReturnIfAbrupt(promiseCapability).
+
+    25.4.1.5 NewPromiseCapability
+    [...]
+    6. Let promise be Construct(C, «executor»).
+    7. ReturnIfAbrupt(promise).
+---*/
+
+var CustomPromise = function() {
+  throw new Test262Error();
+};
+
+assert.throws(Test262Error, function() {
+  Promise.resolve.call(CustomPromise);
+});