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"use strict";
// This script triggers import(), and thus the base URL of this script
// (either loaded by `<script>` or `importScripts()`) is used as the base URL
// of resolving relative URL-like specifiers in `import()`.
// The following fields should be set by the callers of this script
// (unless loaded as the worker top-level script):
// - self.testName (string)
// - self.baseUrlSanitized (boolean)
// When this script is loaded as the worker top-level script:
if ('DedicatedWorkerGlobalScope' in self &&
self instanceof DedicatedWorkerGlobalScope &&
!self.testName) {
importScripts("/resources/testharness.js");
self.testName = 'worker top-level script';
// Worker top-level scripts are always same-origin.
self.baseUrlSanitized = false;
}
{
// This could change by the time the test is executed, so we save it now.
// As this script is loaded multiple times, savedBaseUrlSanitized is scoped.
const savedBaseUrlSanitized = self.baseUrlSanitized;
promise_test(() => {
const promise = import("./import.js?pipe=header(Access-Control-Allow-Origin,*)&label=relative-" + self.testName);
if (savedBaseUrlSanitized) {
// The base URL is "about:blank" and thus import() here should fail.
return promise.then(module => {
// This code should be unreached, but assert_equals() is used here
// to log `module.A["from"]` in case of unexpected resolution.
assert_equals(module.A["from"], "(unreached)",
"Relative URL-like specifier resolution should fail");
assert_unreached();
},
() => {});
} else {
// The base URL is the response URL of this script, i.e.
// `.../gamma/base-url.sub.js`.
return promise.then(module => {
assert_equals(module.A["from"], "gamma/import.js");
});
}
},
"Relative URL-like from " + self.testName);
}
promise_test(() => {
return import("http://{{hosts[alt][]}}:{{ports[http][0]}}/html/semantics/scripting-1/the-script-element/module/dynamic-import/gamma/import.js?pipe=header(Access-Control-Allow-Origin,*)&label=absolute-" + self.testName)
.then(module => {
assert_equals(module.A["from"], "gamma/import.js");
})
},
"Absolute URL-like from " + self.testName);
done();
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