Merge pull request chaijs#22 from debitoor/compare-dates

Comparison of Dates

test/unit/chai-subset.spec.js

@@ -139,4 +139,30 @@ describe('assert style of test', function () {
 		var assert = require('chai').assert;
 		assert.containSubset({a: 1, b: 2}, {a: 1});
 	});
+});
+
+describe('comparison of dates', function() {
+	it('should pass for the same date', function() {
+		expect(new Date('2015-11-30')).to.containSubset(new Date('2015-11-30'));
+	});
+
+	it('should pass for the same date if nested', function() {
+		expect({a: new Date('2015-11-30')}).to.containSubset({a: new Date('2015-11-30')});
+	});
+
+	it('should fail for a different date', function() {
+		expect(new Date('2015-11-30')).to.not.containSubset(new Date('2012-02-22'));
+	});
+
+	it('should fail for a different date if nested', function() {
+		expect({a: new Date('2015-11-30')}).to.not.containSubset({a: new Date('2012-02-22')});
+	});
+
+	it('should fail for invalid expected date', function() {
+		expect(new Date('2015-11-30')).to.not.containSubset(new Date('not valid date'));
+	});
+
+	it('should fail for invalid actual date', function() {
+		expect(new Date('not valid actual date')).to.not.containSubset(new Date('not valid expected date'));
+	});
 });