1 files changed, 52 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/draw-generic-family/2d.text.draw.generic.family.w.html b/testing/web-platform/tests/html/canvas/offscreen/manual/draw-generic-family/2d.text.draw.generic.family.w.html
new file mode 100644
index 0000000000..7a88c032ad
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/manual/draw-generic-family/2d.text.draw.generic.family.w.html
@@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<title>OffscreenCanvas test: 2d.text.draw.generic.family.w</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<script id='myWorker' type='text/worker'>
+self.onmessage = function(e) {
+    let oc = new OffscreenCanvas(88, 24);
+    let ctx = oc.getContext('2d');
+    ctx.font = '32px ' + e.data.family;
+    ctx.fillText(e.data.family, 0, 16);
+    self.postMessage(ctx.getImageData(0, 0, 88, 24).data);
+};
+</script>
+<script>
+function testDrawGenericFamily(t, family)
+{
+    let blob = new Blob([document.getElementById('myWorker').textContent]);
+    let worker = new Worker(URL.createObjectURL(blob));
+    worker.addEventListener('message', msg => {
+        let ctx = document.createElement('canvas').getContext('2d');
+        ctx.font = '32px ' + family;
+        ctx.fillText(family, 0, 16);
+        assert_array_equals(ctx.getImageData(0, 0, 88, 24).data, msg.data,
+          "The image data generated by drawing generic font family '" + family +
+          "' should be the same for both OffscreenCanvas and regular canvas");
+      t.done();
+    });
+    worker.postMessage({family: family});
+}
+
+async_test(function(t) {
+    testDrawGenericFamily(t, 'sans-serif');
+}, "Test that drawing sans-serif produces the same result between canvas and OffscreenCanvas in a Worker");
+
+async_test(function(t) {
+    testDrawGenericFamily(t, 'serif');
+}, "Test that drawing serif produces the same result between canvas and OffscreenCanvas in a Worker");
+
+async_test(function(t) {
+    testDrawGenericFamily(t, 'cursive');
+}, "Test that drawing cursive produces the same result between canvas and OffscreenCanvas in a Worker");
+
+async_test(function(t) {
+    testDrawGenericFamily(t, 'fantasy');
+}, "Test that drawing fantasy produces the same result between canvas and OffscreenCanvas in a Worker");
+
+async_test(function(t) {
+    testDrawGenericFamily(t, 'monospace');
+}, "Test that drawing monospace produces the same result between canvas and OffscreenCanvas in a Worker");
+</script>
+