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Diffstat (limited to 'node_modules/is-date-object/test/index.js')
-rw-r--r--node_modules/is-date-object/test/index.js36
1 files changed, 36 insertions, 0 deletions
diff --git a/node_modules/is-date-object/test/index.js b/node_modules/is-date-object/test/index.js
new file mode 100644
index 000000000..b9d27c53e
--- /dev/null
+++ b/node_modules/is-date-object/test/index.js
@@ -0,0 +1,36 @@
+'use strict';
+
+var test = require('tape');
+var isDate = require('../');
+var hasSymbols = typeof Symbol === 'function' && typeof Symbol('') === 'symbol';
+
+test('not Dates', function (t) {
+ t.notOk(isDate(), 'undefined is not Date');
+ t.notOk(isDate(null), 'null is not Date');
+ t.notOk(isDate(false), 'false is not Date');
+ t.notOk(isDate(true), 'true is not Date');
+ t.notOk(isDate(42), 'number is not Date');
+ t.notOk(isDate('foo'), 'string is not Date');
+ t.notOk(isDate([]), 'array is not Date');
+ t.notOk(isDate({}), 'object is not Date');
+ t.notOk(isDate(function () {}), 'function is not Date');
+ t.notOk(isDate(/a/g), 'regex literal is not Date');
+ t.notOk(isDate(new RegExp('a', 'g')), 'regex object is not Date');
+ t.end();
+});
+
+test('@@toStringTag', { skip: !hasSymbols || !Symbol.toStringTag }, function (t) {
+ var realDate = new Date();
+ var fakeDate = {
+ toString: function () { return String(realDate); },
+ valueOf: function () { return realDate.getTime(); }
+ };
+ fakeDate[Symbol.toStringTag] = 'Date';
+ t.notOk(isDate(fakeDate), 'fake Date with @@toStringTag "Date" is not Date');
+ t.end();
+});
+
+test('Dates', function (t) {
+ t.ok(isDate(new Date()), 'new Date() is Date');
+ t.end();
+});