1 files changed, 72 insertions, 0 deletions
diff --git a/devtools/client/framework/test/browser_devtools_api_destroy.js b/devtools/client/framework/test/browser_devtools_api_destroy.js
new file mode 100644
index 0000000000..736455df65
--- /dev/null
+++ b/devtools/client/framework/test/browser_devtools_api_destroy.js
@@ -0,0 +1,72 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Tests devtools API
+
+function test() {
+  addTab("about:blank").then(runTests);
+}
+
+async function runTests(aTab) {
+  const toolDefinition = {
+    id: "testTool",
+    visibilityswitch: "devtools.testTool.enabled",
+    isToolSupported: () => true,
+    url: "about:blank",
+    label: "someLabel",
+    build(iframeWindow, toolbox) {
+      return new Promise(resolve => {
+        executeSoon(() => {
+          resolve({
+            target: toolbox.target,
+            toolbox,
+            isReady: true,
+            destroy() {},
+          });
+        });
+      });
+    },
+  };
+
+  gDevTools.registerTool(toolDefinition);
+
+  const collectedEvents = [];
+
+  gDevTools
+    .showToolboxForTab(aTab, { toolId: toolDefinition.id })
+    .then(function (toolbox) {
+      const panel = toolbox.getPanel(toolDefinition.id);
+      ok(panel, "Tool open");
+
+      gDevTools.once("toolbox-destroy", (toolbox, iframe) => {
+        collectedEvents.push("toolbox-destroy");
+      });
+
+      gDevTools.once(toolDefinition.id + "-destroy", (toolbox, iframe) => {
+        collectedEvents.push("gDevTools-" + toolDefinition.id + "-destroy");
+      });
+
+      toolbox.once("destroy", () => {
+        collectedEvents.push("destroy");
+      });
+
+      toolbox.once(toolDefinition.id + "-destroy", () => {
+        collectedEvents.push("toolbox-" + toolDefinition.id + "-destroy");
+      });
+
+      toolbox.destroy().then(function () {
+        is(
+          collectedEvents.join(":"),
+          "toolbox-destroy:destroy:gDevTools-testTool-destroy:toolbox-testTool-destroy",
+          "Found the right amount of collected events."
+        );
+
+        gDevTools.unregisterTool(toolDefinition.id);
+        gBrowser.removeCurrentTab();
+
+        executeSoon(function () {
+          finish();
+        });
+      });
+    });
+}