1 files changed, 44 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/test_ext_webRequest_download.js b/toolkit/components/extensions/test/xpcshell/test_ext_webRequest_download.js
new file mode 100644
index 0000000000..3485996f56
--- /dev/null
+++ b/toolkit/components/extensions/test/xpcshell/test_ext_webRequest_download.js
@@ -0,0 +1,44 @@
+"use strict";
+
+// Test for Bug 1579911: Check that download requests created by the
+// downloads.download API can be observed by extensions.
+// The DNR version is in test_ext_dnr_download.js.
+add_task(async function testDownload() {
+  let extension = ExtensionTestUtils.loadExtension({
+    manifest: {
+      permissions: [
+        "webRequest",
+        "webRequestBlocking",
+        "downloads",
+        "https://example.com/*",
+      ],
+    },
+    background: async function () {
+      browser.webRequest.onBeforeRequest.addListener(
+        details => {
+          browser.test.sendMessage("request_intercepted");
+          return { cancel: true };
+        },
+        {
+          urls: ["https://example.com/downloadtest"],
+        },
+        ["blocking"]
+      );
+
+      browser.downloads.onChanged.addListener(delta => {
+        browser.test.assertEq(delta.state.current, "interrupted");
+        browser.test.sendMessage("done");
+      });
+
+      await browser.downloads.download({
+        url: "https://example.com/downloadtest",
+        filename: "example.txt",
+      });
+    },
+  });
+
+  await extension.startup();
+  await extension.awaitMessage("request_intercepted");
+  await extension.awaitMessage("done");
+  await extension.unload();
+});