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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /testing/web-platform/tests/hr-time/monotonic-clock.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'testing/web-platform/tests/hr-time/monotonic-clock.html')
| -rw-r--r-- | testing/web-platform/tests/hr-time/monotonic-clock.html | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/testing/web-platform/tests/hr-time/monotonic-clock.html b/testing/web-platform/tests/hr-time/monotonic-clock.html new file mode 100644 index 000000000..af3b230f8 --- /dev/null +++ b/testing/web-platform/tests/hr-time/monotonic-clock.html @@ -0,0 +1,35 @@ +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8" /> +<title>window.performance.now() chronology</title> +<link rel="author" title="W3C" href="http://www.w3.org/" /> +<link rel="help" href="http://www.w3.org/TR/hr-time/#sec-monotonic-clock"/> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script> +test(function() { + assert_true(window.performance.now() > 0, "window.performance.now() returns positive numbers"); +}, "window.performance.now() returns a positive number", {assert: "The time values returned when calling the now method MUST be monotonically increasing and not subject to system clock adjustments or system clock skew."}); + +test(function() { + var now1 = window.performance.now(); + var now2 = window.performance.now(); + assert_true((now2-now1) >= 0, "window.performance.now() difference is not negative"); + }, + "window.performance.now() difference is not negative", + { + assert: "The difference between any two chronologically recorded time values returned from the now method MUST never be negative." + } +); + +</script> +</head> +<body> +<h1>Description</h1> +<p>This test validates that window.performance.now() follows the monotonic clock requirements.</p> + +<div id="log"></div> + +</body> +</html> |