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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/is-negative-zero/test.js | |
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Diffstat (limited to 'node_modules/is-negative-zero/test.js')
-rw-r--r-- | node_modules/is-negative-zero/test.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/node_modules/is-negative-zero/test.js b/node_modules/is-negative-zero/test.js new file mode 100644 index 0000000..18c3f7c --- /dev/null +++ b/node_modules/is-negative-zero/test.js @@ -0,0 +1,28 @@ +'use strict'; + +var test = require('tape'); +var isNegativeZero = require('./'); + +test('not negative zero', function (t) { + t.notOk(isNegativeZero(), 'undefined is not negative zero'); + t.notOk(isNegativeZero(null), 'null is not negative zero'); + t.notOk(isNegativeZero(false), 'false is not negative zero'); + t.notOk(isNegativeZero(true), 'true is not negative zero'); + t.notOk(isNegativeZero(0), 'positive zero is not negative zero'); + t.notOk(isNegativeZero(Infinity), 'Infinity is not negative zero'); + t.notOk(isNegativeZero(-Infinity), '-Infinity is not negative zero'); + t.notOk(isNegativeZero(NaN), 'NaN is not negative zero'); + t.notOk(isNegativeZero('foo'), 'string is not negative zero'); + t.notOk(isNegativeZero([]), 'array is not negative zero'); + t.notOk(isNegativeZero({}), 'object is not negative zero'); + t.notOk(isNegativeZero(function () {}), 'function is not negative zero'); + t.notOk(isNegativeZero(-1), '-1 is not negative zero'); + + t.end(); +}); + +test('negative zero', function (t) { + t.ok(isNegativeZero(-0), 'negative zero is negative zero'); + t.end(); +}); + |