1 files changed, 49 insertions, 0 deletions
diff --git a/test/wpt/tests/service-workers/service-worker/resources/import-scripts-mime-types-worker.js b/test/wpt/tests/service-workers/service-worker/resources/import-scripts-mime-types-worker.js
new file mode 100644
index 0000000..d4f1f3e
--- /dev/null
+++ b/test/wpt/tests/service-workers/service-worker/resources/import-scripts-mime-types-worker.js
@@ -0,0 +1,49 @@
+const badMimeTypes = [
+  null,  // no MIME type
+  'text/plain',
+];
+
+const validMimeTypes = [
+  'application/ecmascript',
+  'application/javascript',
+  'application/x-ecmascript',
+  'application/x-javascript',
+  'text/ecmascript',
+  'text/javascript',
+  'text/javascript1.0',
+  'text/javascript1.1',
+  'text/javascript1.2',
+  'text/javascript1.3',
+  'text/javascript1.4',
+  'text/javascript1.5',
+  'text/jscript',
+  'text/livescript',
+  'text/x-ecmascript',
+  'text/x-javascript',
+];
+
+function importScriptsWithMimeType(mimeType) {
+  importScripts(`./mime-type-worker.py${mimeType ? '?mime=' + mimeType : ''}`);
+}
+
+importScripts('/resources/testharness.js');
+
+for (const mimeType of badMimeTypes) {
+  test(() => {
+    assert_throws_dom(
+      'NetworkError',
+      () => { importScriptsWithMimeType(mimeType); },
+      `importScripts with ${mimeType ? 'bad' : 'no'} MIME type ${mimeType || ''} throws NetworkError`,
+    );
+  }, `Importing script with ${mimeType ? 'bad' : 'no'} MIME type ${mimeType || ''}`);
+}
+
+for (const mimeType of validMimeTypes) {
+  test(() => {
+    try {
+      importScriptsWithMimeType(mimeType);
+    } catch {
+      assert_unreached(`importScripts with MIME type ${mimeType} should not throw`);
+    }
+  }, `Importing script with valid JavaScript MIME type ${mimeType}`);
+}