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assert,util: fix comparison #24749

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assert,util: fix comparison #24749

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2a21991
assert: fix loose deepEqual map comparison
BridgeAR Nov 30, 2018
02c2bd7
assert,util: fix sparse array comparison
BridgeAR Nov 30, 2018
d851e08
test: improve comparison coverage to 100%
BridgeAR Nov 30, 2018
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7 changes: 2 additions & 5 deletions lib/internal/util/comparisons.js
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Original file line number Diff line number Diff line change
Expand Up @@ -416,9 +416,7 @@ function mapMightHaveLoosePrim(a, b, prim, item, memo) {
!innerDeepEqual(item, curB, false, memo)) {
return false;
}
const curA = a.get(altValue);
return curA === undefined && a.has(altValue) ||
innerDeepEqual(item, curA, false, memo);
return !a.has(altValue) && innerDeepEqual(item, curB, false, memo);
}

function setEquiv(a, b, strict, memo) {
Expand Down Expand Up @@ -560,11 +558,10 @@ function objEquiv(a, b, strict, keys, memos, iterationType) {
} else {
// Array is sparse.
const keysA = objectKeys(a);
i++;
for (; i < keysA.length; i++) {
const key = keysA[i];
if (!hasOwnProperty(b, key) ||
!innerDeepEqual(a[key], b[i], strict, memos)) {
!innerDeepEqual(a[key], b[key], strict, memos)) {
return false;
}
}
Expand Down
28 changes: 25 additions & 3 deletions test/parallel/test-assert-deep.js
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Original file line number Diff line number Diff line change
Expand Up @@ -239,6 +239,7 @@ assertNotDeepOrStrict(new Set([1, 2, 3, 4]), new Set([1, 2, 3]));
assertDeepAndStrictEqual(new Set(['1', '2', '3']), new Set(['1', '2', '3']));
assertDeepAndStrictEqual(new Set([[1, 2], [3, 4]]), new Set([[3, 4], [1, 2]]));
assertNotDeepOrStrict(new Set([{ a: 0 }]), new Set([{ a: 1 }]));
assertNotDeepOrStrict(new Set([Symbol()]), new Set([Symbol()]));

{
const a = [ 1, 2 ];
Expand Down Expand Up @@ -394,6 +395,14 @@ assertOnlyDeepEqual(
new Map([[1, {}]]),
new Map([[true, {}]])
);
assertOnlyDeepEqual(
new Map([[undefined, true]]),
new Map([[null, true]])
);
assertNotDeepOrStrict(
new Map([[undefined, true]]),
new Map([[true, true]])
);

// GH-6416. Make sure circular refs don't throw.
{
Expand Down Expand Up @@ -563,9 +572,20 @@ assertOnlyDeepEqual(
assertDeepAndStrictEqual(m3, m4);
}

// Handle sparse arrays
assertDeepAndStrictEqual([1, , , 3], [1, , , 3]);
assertOnlyDeepEqual([1, , , 3], [1, , , 3, , , ]);
// Handle sparse arrays.
{
assertDeepAndStrictEqual([1, , , 3], [1, , , 3]);
assertOnlyDeepEqual([1, , , 3], [1, , , 3, , , ]);
const a = new Array(3);
const b = new Array(3);
a[2] = true;
b[1] = true;
assertNotDeepOrStrict(a, b);
b[2] = true;
assertNotDeepOrStrict(a, b);
a[0] = true;
assertNotDeepOrStrict(a, b);
}

// Handle different error messages
{
Expand Down Expand Up @@ -617,6 +637,8 @@ assertDeepAndStrictEqual(-0, -0);
Object.defineProperty(obj2, Symbol(), { value: 1 });
assertOnlyDeepEqual(obj1, obj3);
assertDeepAndStrictEqual(obj1, obj2);
obj2[Symbol()] = true;
assertOnlyDeepEqual(obj1, obj2);
// TypedArrays have a fast path. Test for this as well.
const a = new Uint8Array(4);
const b = new Uint8Array(4);
Expand Down