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https://github.com/servo/servo
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36 lines
1.5 KiB
HTML
36 lines
1.5 KiB
HTML
<!doctype html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Response: error static method</title>
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<meta name="help" href="https://fetch.spec.whatwg.org/#response">
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<meta name="help" href="https://fetch.spec.whatwg.org/#concept-network-error">
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<meta name="author" title="Canon Research France" href="https://www.crf.canon.fr">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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</head>
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<body>
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<script>
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test(function() {
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var responseError = Response.error();
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assert_equals(responseError.type, "error", "Network error response's type is error");
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assert_equals(responseError.status, 0, "Network error response's status is 0");
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assert_equals(responseError.statusText, "", "Network error response's statusText is empty");
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assert_equals(responseError.body, null, "Network error response's body is null");
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assert_true(responseError.headers.entries().next().done, "Headers should be empty");
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}, "Check response returned by static method error()");
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test(function() {
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const headers = Response.error().headers;
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// Avoid false positives if expected API is not available
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assert_true(!!headers);
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assert_equals(typeof headers.append, 'function');
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assert_throws_js(TypeError, function () { headers.append('name', 'value'); });
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}, "the 'guard' of the Headers instance should be immutable");
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</script>
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</body>
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</html>
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