Promise Tests

This test demonstrates the use of promise_test. Assumes ECMAScript 6 Promise support. Some failures are expected.

Summary

Harness status: OK

Found 12 tests

4 Pass

8 Fail

Details

Result

Test Name

Message

Pass

Promises are supported in your browser

Asserts run

Pass

assert_true(true)
    at Test.<anonymous> ( /resources/test/tests/functional/promise.html:17:9)

Pass

assert_equals("function", "function")
    at Test.<anonymous> ( /resources/test/tests/functional/promise.html:18:9)

Pass

assert_equals("function", "function")
    at Test.<anonymous> ( /resources/test/tests/functional/promise.html:19:9)

Pass

Promise fulfillment with result

Asserts run

Pass	assert_equals("x", "x", "Fulfilled promise should pass result to fulfill reaction.") at /resources/test/tests/functional/promise.html:28:21

Pass

Promise rejection with result

Asserts run

Pass

assert_true(true, "Rejected promise should pass reason to fulfill reaction.")
    at  /resources/test/tests/functional/promise.html:41:21

Pass

assert_equals("fail", "fail", "Rejected promise should pass reason to reject reaction.")
    at  /resources/test/tests/functional/promise.html:44:21

Pass

Chain of promise resolutions

Asserts run

Pass	assert_array_equals(["a", "b", "c"], ["a", "b", "c"]) at /resources/test/tests/functional/promise.html:69:21

Fail

Assertion failure in a fulfill reaction (should FAIL with an expected failure)

assert_true: Expected failure. expected true got false

    at https://www1.wpt.live/resources/test/tests/functional/promise.html:80:21

Asserts run

Fail	assert_true(false, "Expected failure.") at /resources/test/tests/functional/promise.html:80:21

Fail

unreached_func as reactor (should FAIL with an expected failure)

assert_unreached: Expected failure. Reached unreachable code

Error
    at get_stack (https://www1.wpt.live/resources/testharness.js:4567:21)
    at new AssertionError (https://www1.wpt.live/resources/testharness.js:4560:22)
    at assert (https://www1.wpt.live/resources/testharness.js:4544:19)
    at assert_unreached (https://www1.wpt.live/resources/testharness.js:2392:10)
    at Test.<anonymous> (https://www1.wpt.live/resources/testharness.js:2731:13)
    at Test.step (https://www1.wpt.live/resources/testharness.js:2638:25)
    at https://www1.wpt.live/resources/testharness.js:2685:35

Asserts run

No asserts ran

Fail

promise_test with function that doesn't return a Promise (should FAIL)

promise_test: test body must return a 'thenable' object (received an object with no `then` method)

    at new Promise (<anonymous>)
    at https://www1.wpt.live/resources/testharness.js:737:20

Asserts run

No asserts ran

Fail

promise_test with function that doesn't return anything

promise_test: test body must return a 'thenable' object (received undefined)

    at new Promise (<anonymous>)
    at https://www1.wpt.live/resources/testharness.js:737:20

Asserts run

No asserts ran

Fail

promise_test that returns a non-thenable (should FAIL)

promise_test: test body must return a 'thenable' object (received an object with no `then` method)

    at new Promise (<anonymous>)
    at https://www1.wpt.live/resources/testharness.js:737:20

Asserts run

No asserts ran

Fail

promise_test with unhandled rejection (should FAIL)

promise_test: Unhandled rejection with value: "Expected rejection"

Error
    at get_stack (https://www1.wpt.live/resources/testharness.js:4567:21)
    at new AssertionError (https://www1.wpt.live/resources/testharness.js:4560:22)
    at assert (https://www1.wpt.live/resources/testharness.js:4544:19)
    at Test.<anonymous> (https://www1.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://www1.wpt.live/resources/testharness.js:2638:25)
    at https://www1.wpt.live/resources/testharness.js:2685:35

Asserts run

No asserts ran

Fail

promise_test with unhandled exception in fulfill reaction (should FAIL)

promise_test: Unhandled rejection with value: object "Error: Expected exception."

Error
    at get_stack (https://www1.wpt.live/resources/testharness.js:4567:21)
    at new AssertionError (https://www1.wpt.live/resources/testharness.js:4560:22)
    at assert (https://www1.wpt.live/resources/testharness.js:4544:19)
    at Test.<anonymous> (https://www1.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://www1.wpt.live/resources/testharness.js:2638:25)
    at https://www1.wpt.live/resources/testharness.js:2685:35

Asserts run

No asserts ran

Fail

promise_test with unhandled exception in reject reaction (should FAIL)

promise_test: Unhandled rejection with value: object "Error: Expected exception."

Error
    at get_stack (https://www1.wpt.live/resources/testharness.js:4567:21)
    at new AssertionError (https://www1.wpt.live/resources/testharness.js:4560:22)
    at assert (https://www1.wpt.live/resources/testharness.js:4544:19)
    at Test.<anonymous> (https://www1.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://www1.wpt.live/resources/testharness.js:2638:25)
    at https://www1.wpt.live/resources/testharness.js:2685:35

Asserts run

No asserts ran