added web vendorsHEADmaster

1 files changed, 73 insertions, 0 deletions

diff --git a/date-fns/src/getWeek/test.ts b/date-fns/src/getWeek/test.ts
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+++ b/date-fns/src/getWeek/test.ts
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+/* eslint-env mocha */
+
+import assert from 'power-assert'
+import getWeek from '.'
+
+describe('getWeek', function () {
+  it('returns the local week of year of the given date', function () {
+    const result = getWeek(new Date(2005, 0 /* Jan */, 2))
+    assert(result === 2)
+  })
+
+  it('accepts a timestamp', function () {
+    const result = getWeek(new Date(2008, 11 /* Dec */, 29).getTime())
+    assert(result === 1)
+  })
+
+  it('handles dates before 100 AD', function () {
+    const initialDate = new Date(0)
+    initialDate.setFullYear(7, 11 /* Dec */, 30)
+    initialDate.setHours(0, 0, 0, 0)
+    const result = getWeek(initialDate)
+    assert(result === 1)
+  })
+
+  it('returns NaN if the given date is invalid', function () {
+    const result = getWeek(new Date(NaN))
+    assert(isNaN(result))
+  })
+
+  it('allows to specify `weekStartsOn` and `firstWeekContainsDate` in locale', function () {
+    const date = new Date(2005, 0 /* Jan */, 2)
+    // @ts-expect-error
+    const result = getWeek(date, {
+      locale: {
+        options: { weekStartsOn: 1, firstWeekContainsDate: 4 }
+      }
+    })
+    assert(result === 53)
+  })
+
+  it('`options.weekStartsOn` overwrites the first day of the week specified in locale', function () {
+    const date = new Date(2005, 0 /* Jan */, 2)
+    const result = getWeek(date, {
+      weekStartsOn: 1,
+      firstWeekContainsDate: 4,
+      // $ExpectedMistake
+      locale: {
+        options: { weekStartsOn: 0, firstWeekContainsDate: 1 }
+      }
+    })
+    assert(result === 53)
+  })
+
+  it('throws `RangeError` if `options.weekStartsOn` is not convertable to 0, 1, ..., 6 or undefined', function () {
+    // @ts-expect-error
+    const block = getWeek.bind(null, new Date(2007, 11 /* Dec */, 31), {
+      weekStartsOn: NaN
+    })
+    assert.throws(block, RangeError)
+  })
+
+  it('throws `RangeError` if `options.firstWeekContainsDate` is not convertable to 1, 2, ..., 7 or undefined', function () {
+    // @ts-expect-error
+    const block = getWeek.bind(null, new Date(2007, 11 /* Dec */, 31), {
+      firstWeekContainsDate: NaN
+    })
+    assert.throws(block, RangeError)
+  })
+
+  it('throws TypeError exception if passed less than 1 argument', function () {
+    assert.throws(getWeek.bind(null), TypeError)
+  })
+})