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Diffstat (limited to 'date-fns/src/isAfter/test.ts')
-rw-r--r-- | date-fns/src/isAfter/test.ts | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/date-fns/src/isAfter/test.ts b/date-fns/src/isAfter/test.ts new file mode 100644 index 0000000..ca1c99a --- /dev/null +++ b/date-fns/src/isAfter/test.ts @@ -0,0 +1,59 @@ +// @flow +/* eslint-env mocha */ + +import assert from 'power-assert' +import isAfter from '.' + +describe('isAfter', function() { + it('returns true if the first date is after the second one', function() { + const result = isAfter( + new Date(1989, 6 /* Jul */, 10), + new Date(1987, 1 /* Feb */, 11) + ) + assert(result === true) + }) + + it('returns false if the first date is before the second one', function() { + const result = isAfter( + new Date(1987, 1 /* Feb */, 11), + new Date(1989, 6 /* Jul */, 10) + ) + assert(result === false) + }) + + it('returns false if the first date is equal to the second one', function() { + const result = isAfter( + new Date(1989, 6 /* Jul */, 10), + new Date(1989, 6 /* Jul */, 10) + ) + assert(result === false) + }) + + it('accepts a timestamp', function() { + const result = isAfter( + new Date(1989, 6 /* Jul */, 10).getTime(), + new Date(1987, 1 /* Feb */, 11).getTime() + ) + assert(result === true) + }) + + it('returns false if the first date is `Invalid Date`', function() { + const result = isAfter(new Date(NaN), new Date(1989, 6 /* Jul */, 10)) + assert(result === false) + }) + + it('returns false if the second date is `Invalid Date`', function() { + const result = isAfter(new Date(1987, 1 /* Feb */, 11), new Date(NaN)) + assert(result === false) + }) + + it('returns false if the both dates are `Invalid Date`', function() { + const result = isAfter(new Date(NaN), new Date(NaN)) + assert(result === false) + }) + + it('throws TypeError exception if passed less than 2 arguments', function() { + assert.throws(isAfter.bind(null), TypeError) + assert.throws(isAfter.bind(null, 1), TypeError) + }) +}) |