Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 39 insertions, 0 deletions

diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-merge-scopes.js b/devtools/client/debugger/test/mochitest/browser_dbg-merge-scopes.js
new file mode 100644
index 0000000000..57d3c9b647
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-merge-scopes.js
@@ -0,0 +1,39 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+// Test that adjacent scopes are merged together as expected.
+add_task(async function() {
+  const dbg = await initDebugger("doc-merge-scopes.html");
+
+  invokeInTab("run");
+  await waitForPaused(dbg, "doc-merge-scopes.html");
+
+  // Function body and function lexical scopes are merged together.
+  expectLabels(dbg, ["first", "<this>", "arguments", "x", "y", "z"]);
+
+  await resume(dbg);
+  await waitForPaused(dbg);
+
+  // Function body and inner lexical scopes are not merged together.
+  await toggleScopeNode(dbg, 4);
+  expectLabels(dbg, ["Block", "<this>", "y", "second", "arguments", "x"]);
+
+  await resume(dbg);
+  await waitForPaused(dbg);
+
+  // When there is a function body, function lexical, and inner lexical scope,
+  // the first two are merged together.
+  await toggleScopeNode(dbg, 4);
+  expectLabels(dbg, ["Block", "<this>", "z", "third", "arguments", "v", "x", "y"]);
+});
+
+function getLabel(dbg, index) {
+  return findElement(dbg, "scopeNode", index).innerText;
+}
+
+function expectLabels(dbg, array) {
+  for (let i = 0; i < array.length; i++) {
+    is(getLabel(dbg, i + 1), array[i], `Correct label ${array[i]} for index ${i + 1}`);
+  }
+}