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-rw-r--r--toolkit/content/tests/widgets/head.js67
1 files changed, 67 insertions, 0 deletions
diff --git a/toolkit/content/tests/widgets/head.js b/toolkit/content/tests/widgets/head.js
new file mode 100644
index 0000000000..d7473fa92d
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+++ b/toolkit/content/tests/widgets/head.js
@@ -0,0 +1,67 @@
+"use strict";
+
+const InspectorUtils = SpecialPowers.InspectorUtils;
+
+var tests = [];
+
+function waitForCondition(condition, nextTest, errorMsg) {
+ var tries = 0;
+ var interval = setInterval(function () {
+ if (tries >= 30) {
+ ok(false, errorMsg);
+ moveOn();
+ }
+ var conditionPassed;
+ try {
+ conditionPassed = condition();
+ } catch (e) {
+ ok(false, e + "\n" + e.stack);
+ conditionPassed = false;
+ }
+ if (conditionPassed) {
+ moveOn();
+ }
+ tries++;
+ }, 100);
+ var moveOn = function () {
+ clearInterval(interval);
+ nextTest();
+ };
+}
+
+function getElementWithinVideo(video, aValue) {
+ const shadowRoot = SpecialPowers.wrap(video).openOrClosedShadowRoot;
+ return shadowRoot.getElementById(aValue);
+}
+
+/**
+ * Runs querySelectorAll on an element's shadow root.
+ * @param {Element} element
+ * @param {string} selector
+ */
+function shadowRootQuerySelectorAll(element, selector) {
+ const shadowRoot = SpecialPowers.wrap(element).openOrClosedShadowRoot;
+ return shadowRoot?.querySelectorAll(selector);
+}
+
+function executeTests() {
+ return tests
+ .map(fn => () => new Promise(fn))
+ .reduce((promise, task) => promise.then(task), Promise.resolve());
+}
+
+function once(target, name, cb) {
+ let p = new Promise(function (resolve, reject) {
+ target.addEventListener(
+ name,
+ function () {
+ resolve();
+ },
+ { once: true }
+ );
+ });
+ if (cb) {
+ p.then(cb);
+ }
+ return p;
+}