Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 81 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Promise/all/resolve-from-same-thenable.js b/js/src/tests/test262/built-ins/Promise/all/resolve-from-same-thenable.js
new file mode 100644
index 0000000000..1a788c624c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Promise/all/resolve-from-same-thenable.js
@@ -0,0 +1,81 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 25.4.4.1.1
+description: >
+  Cannot tamper remainingElementsCount when Promise.all resolve element function is called multiple times.
+info: |
+  Runtime Semantics: PerformPromiseAll( iteratorRecord, constructor, resultCapability)
+
+  ...
+  4. Let remainingElementsCount be a new Record { [[value]]: 1 }.
+  ...
+  6.d ...
+    ii. Set remainingElementsCount.[[value]] to remainingElementsCount.[[value]] − 1.
+    iii. If remainingElementsCount.[[value]] is 0,
+      1. Let valuesArray be CreateArrayFromList(values).
+      2. Let resolveResult be Call(resultCapability.[[Resolve]], undefined, «valuesArray»).
+      3. ReturnIfAbrupt(resolveResult).
+  ...
+
+  25.4.4.1.2 Promise.all Resolve Element Functions
+    1. Let alreadyCalled be the value of F's [[AlreadyCalled]] internal slot.
+    2. If alreadyCalled.[[value]] is true, return undefined.
+    3. Set alreadyCalled.[[value]] to true.
+    ...
+---*/
+
+var callCount = 0;
+
+function Constructor(executor) {
+  function resolve(values) {
+    callCount += 1;
+    assert(Array.isArray(values, "values is array"));
+    assert.sameValue(values.length, 3, "values length");
+    assert.sameValue(values[0], "p1-fulfill", "values[0]");
+    assert.sameValue(values[1], "p2-fulfill", "values[1]");
+    assert.sameValue(values[2], "p3-fulfill", "values[2]");
+  }
+  executor(resolve, Test262Error.thrower);
+}
+Constructor.resolve = function(v) {
+  return v;
+};
+
+var p1OnFulfilled, p2OnFulfilled, p3OnFulfilled;
+
+var p1 = {
+  then: function(onFulfilled, onRejected) {
+    p1OnFulfilled = onFulfilled;
+  }
+};
+var p2 = {
+  then: function(onFulfilled, onRejected) {
+    p2OnFulfilled = onFulfilled;
+  }
+};
+var p3 = {
+  then: function(onFulfilled, onRejected) {
+    p3OnFulfilled = onFulfilled;
+  }
+};
+
+assert.sameValue(callCount, 0, "callCount before call to all()");
+
+Promise.all.call(Constructor, [p1, p2, p3]);
+
+assert.sameValue(callCount, 0, "callCount after call to all()");
+
+p1OnFulfilled("p1-fulfill");
+p1OnFulfilled("p1-fulfill-unexpected-1");
+p1OnFulfilled("p1-fulfill-unexpected-2");
+
+assert.sameValue(callCount, 0, "callCount after resolving p1");
+
+p2OnFulfilled("p2-fulfill");
+p3OnFulfilled("p3-fulfill");
+
+assert.sameValue(callCount, 1, "callCount after resolving all elements");
+
+reportCompare(0, 0);