1 files changed, 24 insertions, 0 deletions
diff --git a/date-fns/src/eachWeekendOfYear/test.js b/date-fns/src/eachWeekendOfYear/test.js
new file mode 100644
index 0000000..81ebbfe
--- /dev/null
+++ b/date-fns/src/eachWeekendOfYear/test.js
@@ -0,0 +1,24 @@
+// @flow
+/* eslint-env mocha */
+
+import assert from 'power-assert'
+import eachWeekendOfYear from '.'
+import isWeekend from '../isWeekend'
+
+describe('eachWeekendOfYear', () => {
+  it('returns all weekends of the given year', () => {
+    var result = eachWeekendOfYear(new Date(2020, 0, 1))
+    assert(result.length === 104)
+    assert(result.every(isWeekend))
+    assert.deepEqual(result[0], new Date(2020, 0, 4))
+    assert.deepEqual(result[103], new Date(2020, 11, 27))
+  })
+
+  it('throws TypeError exception when no argument is passed in', () => {
+    assert.throws(eachWeekendOfYear.bind(null), TypeError)
+  })
+
+  it('throws RangeError exception when date is invalid', () => {
+    assert.throws(eachWeekendOfYear.bind(null, new Date(NaN)), RangeError)
+  })
+})