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Fix equality computation for ES6 Sets.

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This commit is contained in:
Benjamin Mularczyk
2017-11-01 01:01:26 +01:00
parent 554d0efab7
commit b4dfdd7a48
2 changed files with 32 additions and 6 deletions
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22
src/core/matchers/matchersUtil.js
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@@ -296,24 +296,36 @@ getJasmineRequireObj().matchersUtil = function(j$) {
// For both sets, check they are all contained in the other set
var setPairs = [[a, b], [b, a]];
var baseIter, baseValueIt, baseValue;
var otherSet, otherIter, otherValueIt, otherValue, found;
var stackPairs = [[aStack, bStack], [bStack, aStack]];
var baseIter, baseValueIt, baseValue, baseStack;
var otherSet, otherIter, otherValueIt, otherValue, otherStack;
var found;
var prevStackSize;
for (i = 0; result && i < setPairs.length; i++) {
baseIter = setPairs[i][0].values();
otherSet = setPairs[i][1];
baseStack = stackPairs[i][0];
otherStack = stackPairs[i][1];
// For each value in the base set...
baseValueIt = baseIter.next();
while (result && !baseValueIt.done) {
baseValue = baseValueIt.value;
// ... test that it is present in the other set
otherIter = otherSet.values();
otherValueIt = otherIter.next();
// Optimisation: start looking for value by object identity
found = otherSet.has(baseValue);
if (!found) {
otherIter = otherSet.values();
otherValueIt = otherIter.next();
}
// If not found, compare by value equality
while (!found && !otherValueIt.done) {
otherValue = otherValueIt.value;
found = eq(baseValue, otherValue, aStack, bStack, customTesters, j$.NullDiffBuilder());
prevStackSize = baseStack.length;
found = eq(baseValue, otherValue, baseStack, otherStack, customTesters, j$.NullDiffBuilder());
if (!found && prevStackSize !== baseStack.length) {
baseStack.splice(prevStackSize);
otherStack.splice(prevStackSize);
}
otherValueIt = otherIter.next();
}
result = result && found;