Adding upstream version 110.0.1.upstream/110.0.1upstream

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

1 files changed, 35 insertions, 0 deletions

diff --git a/testing/web-platform/tests/web-animations/resources/keyframe-utils.js b/testing/web-platform/tests/web-animations/resources/keyframe-utils.js
new file mode 100644
index 0000000000..fdea1d8d93
--- /dev/null
+++ b/testing/web-platform/tests/web-animations/resources/keyframe-utils.js
@@ -0,0 +1,35 @@
+'use strict';
+
+// =======================================
+//
+// Utility functions for testing keyframes
+//
+// =======================================
+
+
+// ------------------------------
+//  Helper functions
+// ------------------------------
+
+/**
+ * Test equality between two lists of computed keyframes
+ * @param {Array.<ComputedKeyframe>} a - actual computed keyframes
+ * @param {Array.<ComputedKeyframe>} b - expected computed keyframes
+ */
+function assert_frame_lists_equal(a, b) {
+  assert_equals(a.length, b.length, 'number of frames');
+  for (let i = 0; i < Math.min(a.length, b.length); i++) {
+    assert_frames_equal(a[i], b[i], `ComputedKeyframe #${i}`);
+  }
+}
+
+/** Helper for assert_frame_lists_equal */
+function assert_frames_equal(a, b, name) {
+  assert_equals(Object.keys(a).sort().toString(),
+                Object.keys(b).sort().toString(),
+                `properties on ${name} should match`);
+  // Iterates sorted keys to ensure stable failures.
+  for (const p of Object.keys(a).sort()) {
+    assert_equals(a[p], b[p], `value for '${p}' on ${name}`);
+  }
+}