1 files changed, 37 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/css-module/charset.html b/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/css-module/charset.html
new file mode 100644
index 0000000000..e7010c2f57
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/css-module/charset.html
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>CSS modules: UTF-8 decoding</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id=log></div>
+<script type="module" onerror="unreachable()">
+  import styleSheet from "../serve-with-content-type.py?fn=css-module/resources/utf-8.css&ct=text/css%3Bcharset=utf-8" with { type: "css"};
+  test(() => {
+    assert_equals(styleSheet.rules[0].style.content, "\"śćążź\"");
+  }, "CSS module should be loaded as utf-8 when charset=utf8 is specified");
+</script>
+<script type="module" onerror="unreachable()">
+  import styleSheet from "../serve-with-content-type.py?fn=css-module/resources/utf-8.css&ct=text/css%3Bcharset=shift-jis" with { type: "css"};
+  test(() => {
+    assert_equals(styleSheet.rules[0].style.content, "\"śćążź\"");
+  }, "CSS module should be loaded as utf-8 when charset=shift-jis is specified");
+</script>
+<script type="module" onerror="unreachable()">
+  import styleSheet from "../serve-with-content-type.py?fn=css-module/resources/utf-8.css&ct=text/css%3Bcharset=windows-1252" with { type: "css"};
+  test(() => {
+    assert_equals(styleSheet.rules[0].style.content, "\"śćążź\"");
+  }, "CSS module should be loaded as utf-8 when charset=windows-1252 is specified");
+</script>
+<script type="module" onerror="unreachable()">
+  import styleSheet from "../serve-with-content-type.py?fn=css-module/resources/utf-8.css&ct=text/css%3Bcharset=utf-7" with { type: "css"};;
+  test(() => {
+    assert_equals(styleSheet.rules[0].style.content, "\"śćążź\"");
+  }, "CSS module should be loaded as utf-8 when charset=utf-7 is specified");
+</script>
+<script type="module" onerror="unreachable()">
+  import styleSheet from "../serve-with-content-type.py?fn=css-module/resources/windows-1250.css&ct=text/css%3Bcharset=windows-1250" with { type: "css"};
+  test(() => {
+    assert_not_equals(styleSheet.rules[0].style.content, "\"śćążź\"",
+                    'Should be decoded as UTF-8');
+  }, "CSS module should be loaded as utf-8 even if it is encoded in windows-1250 and served with a windows-1250 charset response header");
+</script>
+\ No newline at end of file