Merging upstream version 127.0.

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

1 files changed, 21 insertions, 0 deletions

diff --git a/testing/web-platform/tests/compute-pressure/compute_pressure_known_sources.https.any.js b/testing/web-platform/tests/compute-pressure/compute_pressure_known_sources.https.any.js
new file mode 100644
index 0000000000..5db3053ce9
--- /dev/null
+++ b/testing/web-platform/tests/compute-pressure/compute_pressure_known_sources.https.any.js
@@ -0,0 +1,21 @@
+// META: global=window,dedicatedworker,sharedworker
+
+'use strict';
+
+test(() => {
+  // Compute Pressure should support at least "cpu"
+  const sources = PressureObserver.knownSources;
+  assert_in_array('cpu', sources);
+}, 'PressureObserver should support at least "cpu"');
+
+test(() => {
+  // Compute Pressure should be frozen array
+  const sources = PressureObserver.knownSources;
+  assert_equals(sources, PressureObserver.knownSources);
+}, 'PressureObserver must return always the same array');
+
+test(() => {
+  // Compute Pressure should be frozen array
+  let sources = PressureObserver.knownSources;
+  assert_equals(Object.isFrozen(sources), true);
+}, 'PressureObserver must return a frozen array');