1 files changed, 65 insertions, 0 deletions
diff --git a/date-fns/src/milliseconds/test.ts b/date-fns/src/milliseconds/test.ts
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+++ b/date-fns/src/milliseconds/test.ts
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+// @flow
+/* eslint-env mocha */
+
+import assert from 'assert'
+import milliseconds from '.'
+
+describe('milliseconds', () => {
+  it('converts years to milliseconds', () => {
+    const result = milliseconds({ years: 2 })
+    assert(result === 63113904000)
+  })
+
+  it('converts months to milliseconds', () => {
+    const result = milliseconds({ months: 3 })
+    assert(result === 7889238000)
+  })
+
+  it('converts weeks to milliseconds', () => {
+    const result = milliseconds({ weeks: 2 })
+    assert(result === 1209600000)
+  })
+
+  it('converts days to milliseconds', () => {
+    const result = milliseconds({ days: 5 })
+    assert(result === 432000000)
+  })
+
+  it('converts hours to milliseconds', () => {
+    const result = milliseconds({ hours: 2 })
+    assert(result === 7200000)
+  })
+
+  it('converts minutes to milliseconds', () => {
+    const result = milliseconds({ minutes: 5 })
+    assert(result === 300000)
+  })
+
+  it('converts seconds to milliseconds', () => {
+    const result = milliseconds({ seconds: 10 })
+    assert(result === 10000)
+  })
+
+  it('sums all the duration values', () => {
+    const result = milliseconds({
+      years: 2,
+      months: 3,
+      weeks: 2,
+      days: 5,
+      hours: 2,
+      minutes: 5,
+      seconds: 10
+    })
+    assert(result === 72652252000)
+  })
+
+  it('returns 0 for an empty duration', () => {
+    const result = milliseconds({})
+    assert(result === 0)
+  })
+
+  it('throws TypeError exception if passed less than 1 argument', function() {
+    // @ts-expect-error
+    assert.throws(milliseconds.bind(null), TypeError)
+  })
+})