1 files changed, 31 insertions, 0 deletions
diff --git a/date-fns/src/isTuesday/test.ts b/date-fns/src/isTuesday/test.ts
new file mode 100644
index 0000000..45335a5
--- /dev/null
+++ b/date-fns/src/isTuesday/test.ts
@@ -0,0 +1,31 @@
+// @flow
+/* eslint-env mocha */
+
+import assert from 'power-assert'
+import isTuesday from '.'
+
+describe('isTuesday', function() {
+  it('returns true if the given date is Tuesday', function() {
+    const result = isTuesday(new Date(2014, 8 /* Sep */, 23))
+    assert(result === true)
+  })
+
+  it('returns false if the given date is not Tuesday', function() {
+    const result = isTuesday(new Date(2014, 8 /* Sep */, 25))
+    assert(result === false)
+  })
+
+  it('accepts a timestamp', function() {
+    const result = isTuesday(new Date(2014, 1 /* Feb */, 11).getTime())
+    assert(result === true)
+  })
+
+  it('returns false if the given date is `Invalid Date`', function() {
+    const result = isTuesday(new Date(NaN))
+    assert(result === false)
+  })
+
+  it('throws TypeError exception if passed less than 1 argument', function() {
+    assert.throws(isTuesday.bind(null), TypeError)
+  })
+})