1 files changed, 69 insertions, 0 deletions
diff --git a/devtools/client/framework/test/browser_toolbox_show_toolbox_tool_ready.js b/devtools/client/framework/test/browser_toolbox_show_toolbox_tool_ready.js
new file mode 100644
index 0000000000..d24f8cfedf
--- /dev/null
+++ b/devtools/client/framework/test/browser_toolbox_show_toolbox_tool_ready.js
@@ -0,0 +1,69 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const URL =
+  "data:text/html;charset=utf8,test for showToolbox called while tool is opened";
+const lazyToolId = "testtool1";
+
+registerCleanupFunction(() => {
+  gDevTools.unregisterTool(lazyToolId);
+});
+
+// Delay to wait before the lazy tool should finish
+const TOOL_OPEN_DELAY = 3000;
+
+class LazyDevToolsPanel extends DevToolPanel {
+  constructor(iframeWindow, toolbox) {
+    super(iframeWindow, toolbox);
+  }
+
+  async open() {
+    await wait(TOOL_OPEN_DELAY);
+    return this;
+  }
+}
+
+function isPanelReady(toolbox, toolId) {
+  return !!toolbox.getPanel(toolId);
+}
+
+/**
+ * Test that showToolbox will wait until the specified tool is completely read before
+ * returning. See Bug 1543907.
+ */
+add_task(async function automaticallyBindTexbox() {
+  info(
+    "Registering a tool with an input field and making sure the context menu works"
+  );
+
+  gDevTools.registerTool({
+    id: lazyToolId,
+    isToolSupported: () => true,
+    url: CHROME_URL_ROOT + "doc_lazy_tool.html",
+    label: "Lazy",
+    build(iframeWindow, toolbox) {
+      this.panel = new LazyDevToolsPanel(iframeWindow, toolbox);
+      return this.panel.open();
+    },
+  });
+
+  const tab = await addTab(URL);
+  const toolbox = await openToolboxForTab(tab, "inspector");
+  const onLazyToolReady = toolbox.once(lazyToolId + "-ready");
+  toolbox.selectTool(lazyToolId);
+
+  info("Wait until toolbox considers the current tool is the lazy tool");
+  await waitUntil(() => toolbox.currentToolId == lazyToolId);
+
+  ok(!isPanelReady(toolbox, lazyToolId), "lazyTool should not be ready yet");
+  await gDevTools.showToolboxForTab(tab, { toolId: lazyToolId });
+  ok(
+    isPanelReady(toolbox, lazyToolId),
+    "lazyTool should not ready after showToolbox"
+  );
+
+  // Make sure lazyTool is ready before leaving the test.
+  await onLazyToolReady;
+});