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Issue #329 -- significant change to _.isEqual semantics.

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This commit is contained in:
Jeremy Ashkenas
2011-10-18 16:07:23 -04:00
parent 6123870dab
commit e79586515c
2 changed files with 21 additions and 32 deletions
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12
test/objects.js
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@@ -154,8 +154,8 @@ $(document).ready(function() {
ok(_.isEqual({}, {}), "Empty object literals are equal");
ok(_.isEqual([], []), "Empty array literals are equal");
ok(_.isEqual([{}], [{}]), "Empty nested arrays and objects are equal");
ok(_.isEqual({length: 0}, []), "Array-like objects and arrays are equal");
ok(_.isEqual([], {length: 0}), "Commutative equality is implemented for array-like objects");
ok(!_.isEqual({length: 0}, []), "Array-like objects and arrays are not equal.");
ok(!_.isEqual([], {length: 0}), "Commutative equality is implemented for array-like objects");
ok(!_.isEqual({}, []), "Object literals and array literals are not equal");
ok(!_.isEqual([], {}), "Commutative equality is implemented for objects and arrays");
@@ -174,7 +174,7 @@ $(document).ready(function() {
b.join = b.pop = b.reverse = b.shift = b.slice = b.splice = b.concat = b.sort = b.unshift = null;
// Array elements and properties.
ok(_.isEqual(a, b), "Arrays containing equivalent elements and different non-numeric properties are equal");
ok(!_.isEqual(a, b), "Arrays containing equivalent elements and different non-numeric properties are not equal");
a.push("White Rocks");
ok(!_.isEqual(a, b), "Arrays of different lengths are not equal");
a.push("East Boulder");
@@ -183,7 +183,7 @@ $(document).ready(function() {
// Sparse arrays.
ok(_.isEqual(Array(3), Array(3)), "Sparse arrays of identical lengths are equal");
ok(!_.isEqual(Array(3), Array(6)), "Sparse arrays of different lengths are not equal");
ok(_.isEqual(Array(3), Array(6)), "Sparse arrays of different lengths are equal when both are empty");
// According to the Microsoft deviations spec, section 2.1.26, JScript 5.x treats `undefined`
// elements in arrays as elisions. Thus, sparse arrays and dense arrays containing `undefined`
@@ -235,8 +235,8 @@ $(document).ready(function() {
// Instances.
ok(_.isEqual(new First, new First), "Object instances are equal");
ok(_.isEqual(new First, new Second), "Objects with different constructors and identical own properties are equal");
ok(_.isEqual({value: 1}, new First), "Object instances and objects sharing equivalent properties are identical");
ok(!_.isEqual(new First, new Second), "Objects with different constructors and identical own properties are not equal");
ok(!_.isEqual({value: 1}, new First), "Object instances and objects sharing equivalent properties are not identical");
ok(!_.isEqual({value: 2}, new Second), "The prototype chain of objects should not be examined");
// Circular Arrays.