diff --git a/.eslintrc.json b/.eslintrc.json
index db8ff1fa..9bd6514a 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -106,6 +106,7 @@
},
{
"files": ["test/**/*.js"],
+ "excludedFiles": ["test/data/html/*.js"],
"parserOptions": {
"ecmaVersion": 8,
"sourceType": "module"
diff --git a/test/data/html/test-document2-frame1.html b/test/data/html/test-document2-frame1.html
new file mode 100644
index 00000000..3b85cdc5
--- /dev/null
+++ b/test/data/html/test-document2-frame1.html
@@ -0,0 +1,42 @@
+
+
+
+
+
+ Yomichan Tests
+
+
+
+
+
\ No newline at end of file
diff --git a/test/data/html/test-document2-script.js b/test/data/html/test-document2-script.js
new file mode 100644
index 00000000..bd5a570d
--- /dev/null
+++ b/test/data/html/test-document2-script.js
@@ -0,0 +1,41 @@
+function requestFullscreen(element) {
+ if (element.requestFullscreen) {
+ element.requestFullscreen();
+ } else if (element.mozRequestFullScreen) {
+ element.mozRequestFullScreen();
+ } else if (element.webkitRequestFullscreen) {
+ element.webkitRequestFullscreen();
+ } else if (element.msRequestFullscreen) {
+ element.msRequestFullscreen();
+ }
+}
+
+function exitFullscreen() {
+ if (document.exitFullscreen) {
+ document.exitFullscreen();
+ } else if (document.mozCancelFullScreen) {
+ document.mozCancelFullScreen();
+ } else if (document.webkitExitFullscreen) {
+ document.webkitExitFullscreen();
+ } else if (document.msExitFullscreen) {
+ document.msExitFullscreen();
+ }
+}
+
+function getFullscreenElement() {
+ return (
+ document.fullscreenElement ||
+ document.msFullscreenElement ||
+ document.mozFullScreenElement ||
+ document.webkitFullscreenElement ||
+ null
+ );
+}
+
+function toggleFullscreen(element) {
+ if (getFullscreenElement()) {
+ exitFullscreen();
+ } else {
+ requestFullscreen(element);
+ }
+}
diff --git a/test/data/html/test-document2.html b/test/data/html/test-document2.html
new file mode 100644
index 00000000..0561a176
--- /dev/null
+++ b/test/data/html/test-document2.html
@@ -0,0 +1,81 @@
+
+
+
+
+
+ Yomichan Manual Tests
+
+
+
+
+
+
+ Yomichan Manual Tests
+ Manual tests involving fullscreen elements, <iframe>s, and shadow DOMs.
+
+
+
Standard content.
+
+
+
+
Content inside of a shadow DOM.
+
+
+
+
+
+
+
+
<iframe> element inside of a shadow DOM.
+
+
+
+
+
+