1 files changed, 59 insertions, 0 deletions
diff --git a/browser/base/content/test/tabcrashed/browser_launchFail.js b/browser/base/content/test/tabcrashed/browser_launchFail.js
new file mode 100644
index 0000000000..e89038ac10
--- /dev/null
+++ b/browser/base/content/test/tabcrashed/browser_launchFail.js
@@ -0,0 +1,59 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Tests that if the content process fails to launch in the
+ * foreground tab, that we show about:tabcrashed, but do not
+ * attempt to wait for a crash dump for it (which will never come).
+ */
+add_task(async function test_launchfail_foreground() {
+  // eslint-disable-next-line @microsoft/sdl/no-insecure-url
+  await BrowserTestUtils.withNewTab("http://example.com", async browser => {
+    let tabcrashed = BrowserTestUtils.waitForEvent(
+      browser,
+      "AboutTabCrashedReady",
+      false,
+      null,
+      true
+    );
+    await BrowserTestUtils.simulateProcessLaunchFail(browser);
+    Assert.equal(
+      0,
+      TabCrashHandler.queuedCrashedBrowsers,
+      "No crashed browsers should be queued."
+    );
+    await tabcrashed;
+  });
+});
+
+/**
+ * Tests that if the content process fails to launch in a background
+ * tab, that upon choosing that tab, we show about:tabcrashed, but do
+ * not attempt to wait for a crash dump for it (which will never come).
+ */
+add_task(async function test_launchfail_background() {
+  let originalTab = gBrowser.selectedTab;
+  // eslint-disable-next-line @microsoft/sdl/no-insecure-url
+  await BrowserTestUtils.withNewTab("http://example.com", async browser => {
+    let tab = gBrowser.getTabForBrowser(browser);
+    await BrowserTestUtils.switchTab(gBrowser, originalTab);
+
+    let tabcrashed = BrowserTestUtils.waitForEvent(
+      browser,
+      "AboutTabCrashedReady",
+      false,
+      null,
+      true
+    );
+    await BrowserTestUtils.simulateProcessLaunchFail(browser);
+    Assert.equal(
+      0,
+      TabCrashHandler.queuedCrashedBrowsers,
+      "No crashed browsers should be queued."
+    );
+    await BrowserTestUtils.switchTab(gBrowser, tab);
+    await tabcrashed;
+  });
+});