1 files changed, 30 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/rendering/replaced-elements/attributes-for-embedded-content-and-images/img-no-alt-replaced.html b/testing/web-platform/tests/html/rendering/replaced-elements/attributes-for-embedded-content-and-images/img-no-alt-replaced.html
new file mode 100644
index 0000000000..5f3503ae3b
--- /dev/null
+++ b/testing/web-platform/tests/html/rendering/replaced-elements/attributes-for-embedded-content-and-images/img-no-alt-replaced.html
@@ -0,0 +1,30 @@
+<!doctype html>
+<title>Images without alt attribute or with an empty alt attribute render as replaced elements regardless of src</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
+<link rel="author" href="mailto:yuzhehan@chromium.org" title="Yu Han">
+<link rel="author" href="https://mozilla.org" title="Mozilla">
+<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1196668">
+<link rel="help" href="https://crbug.com/753868">
+<link ref="help" href="https://html.spec.whatwg.org/multipage/rendering.html#images-3">
+<style>
+  img {
+    width: 100px;
+    height: 150px;
+  }
+</style>
+<img>
+<img src="broken">
+<img alt="">
+<img alt>
+<img src="broken" alt="">
+<script>
+const t = async_test("Images without alt attribute or with an empty alt attribute render as replaced elements regardless of src");
+onload = t.step_func_done(function() {
+  for (const img of document.querySelectorAll("img")) {
+    assert_equals(img.offsetWidth, 100, `width: ${img.outerHTML}`);
+    assert_equals(img.offsetHeight, 150, `height: ${img.outerHTML}`);
+  }
+});
+</script>