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author | Sebastian <sebasjm@gmail.com> | 2021-08-23 16:46:06 -0300 |
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committer | Sebastian <sebasjm@gmail.com> | 2021-08-23 16:48:30 -0300 |
commit | 38acabfa6089ab8ac469c12b5f55022fb96935e5 (patch) | |
tree | 453dbf70000cc5e338b06201af1eaca8343f8f73 /date-fns/src/addHours/test.ts | |
parent | f26125e039143b92dc0d84e7775f508ab0cdcaa8 (diff) | |
download | node-vendor-master.tar.gz node-vendor-master.tar.bz2 node-vendor-master.zip |
Diffstat (limited to 'date-fns/src/addHours/test.ts')
-rw-r--r-- | date-fns/src/addHours/test.ts | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/date-fns/src/addHours/test.ts b/date-fns/src/addHours/test.ts new file mode 100644 index 0000000..c920a64 --- /dev/null +++ b/date-fns/src/addHours/test.ts @@ -0,0 +1,54 @@ +// @flow +/* eslint-env mocha */ + +import assert from 'assert' +import addHours from '.' + +describe('addHours', function() { + it('adds the given numbers of hours', function() { + const result = addHours(new Date(2014, 6 /* Jul */, 10, 23, 0), 2) + assert.deepStrictEqual(result, new Date(2014, 6 /* Jul */, 11, 1, 0)) + }) + + it('accepts a timestamp', function() { + const result = addHours( + new Date(2014, 6 /* Jul */, 10, 23, 0).getTime(), + 26 + ) + assert.deepStrictEqual(result, new Date(2014, 6 /* Jul */, 12, 1, 0)) + }) + + it('converts a fractional number to an integer', function() { + const result = addHours(new Date(2014, 6 /* Jul */, 10, 23, 0), 2.5) + assert.deepStrictEqual(result, new Date(2014, 6 /* Jul */, 11, 1, 0)) + }) + + it('implicitly converts number arguments', function() { + // @ts-expect-error + const result = addHours(new Date(2014, 6 /* Jul */, 10, 23, 0), '2') + assert.deepStrictEqual(result, new Date(2014, 6 /* Jul */, 11, 1, 0)) + }) + + it('does not mutate the original date', function() { + const date = new Date(2014, 6 /* Jul */, 10, 23, 0) + addHours(date, 10) + assert.deepStrictEqual(date, new Date(2014, 6 /* Jul */, 10, 23, 0)) + }) + + it('returns `Invalid Date` if the given date is invalid', function() { + const result = addHours(new Date(NaN), 2) + assert(result instanceof Date && isNaN(result.getTime())) + }) + + it('returns `Invalid Date` if the given amount is NaN', function() { + const result = addHours(new Date(2014, 6 /* Jul */, 10, 23, 0), NaN) + assert(result instanceof Date && isNaN(result.getTime())) + }) + + it('throws TypeError exception if passed less than 2 arguments', function() { + // @ts-expect-error + assert.throws(addHours.bind(null), TypeError) + // @ts-expect-error + assert.throws(addHours.bind(null, 1), TypeError) + }) +}) |