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<!doctype html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id="test">I am a test div.</div>
<div id="test2">I am a test div.</div>
<div id="test3">I am a test div.</div>
<div id="test3b">I am a test div.</div>
<div id="test4">I am a test div.</div>
<div id="test4b">I am a test div.</div>
<script>
window.errorCount = 0;
window.onerror = (errorMsg, url, lineNumber, column, errorObj) => {
window.errorCount++;
};
</script>
<script type="module" onerror="unreachable()">
import sheet from "./resources/basic.css" assert { type: "css" };
test(() => {
document.adoptedStyleSheets = [...document.adoptedStyleSheets, sheet];
assert_equals(getComputedStyle(document.querySelector('#test'))
.backgroundColor, "rgb(255, 0, 0)", "CSS module import should succeed");
}, "A CSS Module should load");
</script>
<script type="module" onerror="unreachable()">
import sheet from "./resources/basic-large.css" assert { type: "css" };
test(() => {
// This tests potential streaming compilation of modules in
// Chromium that is triggered only for large (32>KiB) files in older
// versions.
document.adoptedStyleSheets = [...document.adoptedStyleSheets, sheet];
assert_equals(getComputedStyle(document.querySelector('#test2'))
.backgroundColor, "rgb(255, 0, 0)",
"CSS module import should succeed");
}, "A large CSS Module should load");
</script>
<script type="module" onerror="unreachable()">
import sheet from "./resources/bad-import.css" assert { type: "css" };
test(() => {
document.adoptedStyleSheets = [...document.adoptedStyleSheets, sheet];
assert_equals(window.errorCount, 0);
assert_equals(sheet.cssRules.length, 1, "Parser should skip @import rule");
assert_equals(getComputedStyle(document.querySelector('#test3b'))
.backgroundColor, "rgba(0, 0, 0, 0)",
"CSS module @import should not succeed");
assert_equals(getComputedStyle(document.querySelector('#test3'))
.backgroundColor, "rgb(0, 255, 0)",
"Rule after @import should still be applied");
}, "An @import CSS Module should not load, but should not throw an exception");
</script>
<script type="module" onerror="unreachable()">
import sheet from "./resources/malformed.css" assert { type: "css" };
test(() => {
document.adoptedStyleSheets = [...document.adoptedStyleSheets, sheet];
assert_equals(window.errorCount, 0);
assert_equals(sheet.cssRules.length, 1, "Import of malformed CSS should succeed and rules after the parse error should still be parsed");
assert_equals(getComputedStyle(document.querySelector('#test4'))
.backgroundColor, "rgba(0, 0, 0, 0)",
"Malformed CSS rule should not be applied");
assert_equals(getComputedStyle(document.querySelector('#test4b'))
.backgroundColor, "rgb(0, 255, 0)",
"Parsing should recover and rules after malformed rules should be applied");
}, "A parse error should not prevent subsequent rules from being included in a CSS module");
</script>
<script type="module">
promise_test(function (test) {
const iframe = document.createElement("iframe");
iframe.src = "resources/css-module-without-assertion-iframe.html";
return new Promise(resolve => {
iframe.onload = resolve;
document.body.appendChild(iframe);
}).then(event => {
assert_equals(iframe.contentDocument.window_onerror, undefined);
assert_equals(iframe.contentDocument.script_onerror.type, "error");
assert_equals(getComputedStyle(iframe.contentDocument.querySelector('#test'))
.backgroundColor, "rgba(0, 0, 0, 0)",
"CSS module without type assertion should result in a fetch error");
});
}, "CSS module without type assertion should result in a fetch error");
</script>
</body>
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