Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 27 insertions, 0 deletions

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+# Running Tests from the Web
+
+Tests that have been merged on GitHub are mirrored at
+[wpt.live](https://wpt.live) and [w3c-test.org](https://w3c-test.org).
+[On properly-configured systems](from-local-system), local files may also be
+served from the URL [http://web-platform.test](http://web-platform.test).
+
+Not all tests can be executed in-browser, as some tests rely on automation
+(e.g. via [testdriver.js](../writing-tests/testdriver)) that is not available
+when running a browser in a normal user session.
+
+## Web test runner
+
+For running multiple tests inside a browser, there is a test runner
+located at `/tools/runner/index.html`.
+
+This allows all the tests, or those matching a specific prefix
+(e.g. all tests under `/dom/`) to be run. For testharness.js tests,
+the results will be automatically collected, while the runner
+provides a simple UI for manually comparing reftest rendering and
+running manual tests.
+
+Note, however, it does not currently handle more complex reftests with
+more than one reference involved.
+
+Because it runs entirely in-browser, this runner cannot deal with
+edge-cases like tests that cause the browser to crash or hang.