1 files changed, 164 insertions, 0 deletions
diff --git a/browser/base/content/test/tabPrompts/browser_prompt_close_event.js b/browser/base/content/test/tabPrompts/browser_prompt_close_event.js
new file mode 100644
index 0000000000..9705062cef
--- /dev/null
+++ b/browser/base/content/test/tabPrompts/browser_prompt_close_event.js
@@ -0,0 +1,164 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Execute the provided script content by generating a dynamic script tag and
+ * inserting it in the page for the current selected browser.
+ *
+ * @param {string} script
+ *     The script to execute.
+ * @returns {Promise}
+ *     A promise that resolves when the script node was added and removed from
+ *     the content page.
+ */
+function createScriptNode(script) {
+  return SpecialPowers.spawn(
+    gBrowser.selectedBrowser,
+    [script],
+    function (_script) {
+      const scriptTag = content.document.createElement("script");
+      scriptTag.append(content.document.createTextNode(_script));
+      content.document.body.append(scriptTag);
+    }
+  );
+}
+
+add_task(
+  async function test_close_prompt_event_detail_accepted_with_default_value() {
+    const closed = BrowserTestUtils.waitForEvent(
+      window,
+      "DOMModalDialogClosed"
+    );
+
+    const promptPromise = BrowserTestUtils.promiseAlertDialogOpen();
+
+    const defaultValue = "Default value";
+    await createScriptNode(
+      `setTimeout(() => window.prompt('Enter your name:', '${defaultValue}'))`
+    );
+    const promptWin = await promptPromise;
+
+    info("accepting prompt with default value.");
+    promptWin.document.querySelector("dialog").acceptDialog();
+
+    const closedEvent = await closed;
+
+    is(
+      closedEvent.detail.areLeaving,
+      true,
+      "Received correct `areLeaving` value in the event detail"
+    );
+    is(
+      closedEvent.detail.value,
+      defaultValue,
+      "Received correct `value` value in the event detail"
+    );
+  }
+);
+
+add_task(
+  async function test_close_prompt_event_detail_accepted_with_amended_default_value() {
+    const closed = BrowserTestUtils.waitForEvent(
+      window,
+      "DOMModalDialogClosed"
+    );
+
+    const promptPromise = BrowserTestUtils.promiseAlertDialogOpen();
+
+    const defaultValue = "Default value";
+    await createScriptNode(
+      `setTimeout(() => window.prompt('Enter your name:', '${defaultValue}'))`
+    );
+    const promptWin = await promptPromise;
+
+    const amendedValue = "Test";
+    promptWin.document.getElementById("loginTextbox").value = amendedValue;
+
+    info("accepting prompt with amended value.");
+    promptWin.document.querySelector("dialog").acceptDialog();
+
+    const closedEvent = await closed;
+
+    is(
+      closedEvent.detail.areLeaving,
+      true,
+      "Received correct `areLeaving` value in the event detail"
+    );
+    is(
+      closedEvent.detail.value,
+      amendedValue,
+      "Received correct `value` value in the event detail"
+    );
+  }
+);
+
+add_task(
+  async function test_close_prompt_event_detail_dismissed_with_default_value() {
+    const closed = BrowserTestUtils.waitForEvent(
+      window,
+      "DOMModalDialogClosed"
+    );
+
+    const promptPromise = BrowserTestUtils.promiseAlertDialogOpen();
+
+    const defaultValue = "Default value";
+    await createScriptNode(
+      `setTimeout(() => window.prompt('Enter your name:', '${defaultValue}'))`
+    );
+    const promptWin = await promptPromise;
+
+    info("Dismissing prompt with default value.");
+    promptWin.document.querySelector("dialog").cancelDialog();
+
+    const closedEvent = await closed;
+
+    is(
+      closedEvent.detail.areLeaving,
+      false,
+      "Received correct `areLeaving` value in the event detail"
+    );
+    is(
+      closedEvent.detail.value,
+      null,
+      "Received correct `value` value in the event detail"
+    );
+  }
+);
+
+add_task(
+  async function test_close_prompt_event_detail_dismissed_with_amended_default_value() {
+    const closed = BrowserTestUtils.waitForEvent(
+      window,
+      "DOMModalDialogClosed"
+    );
+
+    const promptPromise = BrowserTestUtils.promiseAlertDialogOpen();
+
+    const defaultValue = "Default value";
+    await createScriptNode(
+      `setTimeout(() => window.prompt('Enter your name:', '${defaultValue}'))`
+    );
+    const promptWin = await promptPromise;
+
+    const amendedValue = "Test";
+    promptWin.document.getElementById("loginTextbox").value = amendedValue;
+
+    info("Dismissing prompt with amended value.");
+    promptWin.document.querySelector("dialog").cancelDialog();
+
+    const closedEvent = await closed;
+
+    is(
+      closedEvent.detail.areLeaving,
+      false,
+      "Received correct `areLeaving` value in the event detail"
+    );
+    is(
+      closedEvent.detail.value,
+      null,
+      "Received correct `value` value in the event detail"
+    );
+  }
+);