This test checks the behavior of Intl.NumberFormat.prototype.formatToParts as described in the ECMAScript Internationalization API Specification.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS Intl.NumberFormat.prototype.formatToParts is an instance of Function
PASS Intl.NumberFormat.prototype.formatToParts.length is 1
PASS Object.getOwnPropertyDescriptor(Intl.NumberFormat.prototype, 'formatToParts').writable is true
PASS Object.getOwnPropertyDescriptor(Intl.NumberFormat.prototype, 'formatToParts').enumerable is false
PASS Object.getOwnPropertyDescriptor(Intl.NumberFormat.prototype, 'formatToParts').configurable is true
PASS Object.getOwnPropertyDescriptor(Intl.NumberFormat.prototype, 'formatToParts').get is undefined
PASS Object.getOwnPropertyDescriptor(Intl.NumberFormat.prototype, 'formatToParts').set is undefined
PASS JSON.stringify(Intl.NumberFormat('en').formatToParts(-Infinity)) is JSON.stringify([
  {type:"minusSign",value:"-"},
  {type:"infinity",value:"∞"}
])
PASS JSON.stringify(Intl.NumberFormat('en').formatToParts('one')) is JSON.stringify([
  {type:"nan",value:"NaN"}
])
PASS JSON.stringify(Intl.NumberFormat('en-US', {style:'percent'}).formatToParts(1)) is JSON.stringify([
  {type:"integer",value:"100"},
  {type:"percentSign",value:"%"}
])
PASS JSON.stringify(
  Intl.NumberFormat("pt-BR-u-nu-fullwide", {
    minimumFractionDigits: "3", style: "currency", currency: "USD", currencyDisplay: "name"
  }).formatToParts(21069933563725.1)
) is JSON.stringify([
  {type:"integer",value:"２１"},
  {type:"group",value:"."},
  {type:"integer",value:"０６９"},
  {type:"group",value:"."},
  {type:"integer",value:"９３３"},
  {type:"group",value:"."},
  {type:"integer",value:"５６３"},
  {type:"group",value:"."},
  {type:"integer",value:"７２５"},
  {type:"decimal",value:","},
  {type:"fraction",value:"１００"},
  {type:"literal",value:" "},
  {type:"currency",value:"Dólares americanos"},
])
PASS +Intl.NumberFormat('en-US', { useGrouping: false }).formatToParts(Number.MAX_SAFE_INTEGER)[0].value is Number.MAX_SAFE_INTEGER
PASS Intl.NumberFormat('en-US', { useGrouping: false }).formatToParts(Number.MAX_VALUE).length is 1
PASS Intl.NumberFormat('en-US', { useGrouping: false }).formatToParts(Number.MAX_VALUE)[0].value.length is 309
PASS Intl.NumberFormat('en-US').formatToParts(Number.MAX_VALUE).length is 205
PASS successfullyParsed is true

TEST COMPLETE