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1 files changed, 26 insertions, 0 deletions

diff --git a/date-fns/src/getDate/test.ts b/date-fns/src/getDate/test.ts
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+++ b/date-fns/src/getDate/test.ts
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+// @flow
+/* eslint-env mocha */
+
+import assert from 'power-assert'
+import getDate from '.'
+
+describe('getDate', function() {
+  it('returns the day of the month of the given date', function() {
+    const result = getDate(new Date(2012, 1 /* Feb */, 29))
+    assert(result === 29)
+  })
+
+  it('accepts a timestamp', function() {
+    const result = getDate(new Date(2014, 11 /* Dec */, 31).getTime())
+    assert(result === 31)
+  })
+
+  it('returns NaN if the given date is invalid', function() {
+    const result = getDate(new Date(NaN))
+    assert(isNaN(result))
+  })
+
+  it('throws TypeError exception if passed less than 1 argument', function() {
+    assert.throws(getDate.bind(null), TypeError)
+  })
+})