1 files changed, 49 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/draw-generic-family/2d.text.draw.generic.family.html b/testing/web-platform/tests/html/canvas/offscreen/manual/draw-generic-family/2d.text.draw.generic.family.html
new file mode 100644
index 0000000000..a5fd7ab066
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/manual/draw-generic-family/2d.text.draw.generic.family.html
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<title>OffscreenCanvas test: 2d.text.draw.generic.family</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/canvas/resources/canvas-tests.js"></script>
+<script>
+function drawCanvas(ctx, family)
+{
+    ctx.font = '16px ' + family;
+    ctx.fillText(family, 0, 16);
+}
+
+function testDrawGenericFamily(family)
+{
+    let offscreenCanvas = new OffscreenCanvas(88, 24);
+    let oCtx = offscreenCanvas.getContext('2d');
+    drawCanvas(oCtx, family);
+    let canvas = document.createElement('canvas');
+    let ctx = canvas.getContext('2d');
+    drawCanvas(ctx, family);
+
+    let data1 = oCtx.getImageData(0, 0, 88, 24).data;
+    let data2 = ctx.getImageData(0, 0, 88, 24).data;
+    assert_array_equals(data1, data2,
+      "The image data generated by drawing generic font family '" + family +
+      "' should be the same for both OffscreenCanvas and regular canvas");
+}
+
+test(function() {
+    testDrawGenericFamily('sans-serif');
+}, "Test that drawing sans-serif produces the same result between canvas and OffscreenCanvas");
+
+test(function() {
+    testDrawGenericFamily('serif');
+}, "Test that drawing serif produces the same result between canvas and OffscreenCanvas");
+
+test(function() {
+    testDrawGenericFamily('cursive');
+}, "Test that drawing cursive produces the same result between canvas and OffscreenCanvas");
+
+test(function() {
+    testDrawGenericFamily('fantasy');
+}, "Test that drawing fantasy produces the same result between canvas and OffscreenCanvas");
+
+test(function() {
+    testDrawGenericFamily('monospace');
+}, "Test that drawing monospace produces the same result between canvas and OffscreenCanvas");
+</script>
+