From 4e2e9be6abed3225406b466099e397acc0f914d2 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Sat, 22 Feb 2020 17:32:39 -0500
Subject: Reclassify heapsnapshot and nsJSInspector as not part of devtools

This resolves Issue #316
---
 .../tests/unit/dominator-tree-worker.js            | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 dom/heapsnapshot/tests/unit/dominator-tree-worker.js

(limited to 'dom/heapsnapshot/tests/unit/dominator-tree-worker.js')

diff --git a/dom/heapsnapshot/tests/unit/dominator-tree-worker.js b/dom/heapsnapshot/tests/unit/dominator-tree-worker.js
new file mode 100644
index 000000000..1f49ca841
--- /dev/null
+++ b/dom/heapsnapshot/tests/unit/dominator-tree-worker.js
@@ -0,0 +1,47 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+console.log("Initializing worker.");
+
+self.onmessage = e => {
+  console.log("Starting test.");
+  try {
+    const path = ThreadSafeChromeUtils.saveHeapSnapshot({ runtime: true });
+    const snapshot = ThreadSafeChromeUtils.readHeapSnapshot(path);
+
+    const dominatorTree = snapshot.computeDominatorTree();
+    ok(dominatorTree);
+    ok(dominatorTree instanceof DominatorTree);
+
+    let threw = false;
+    try {
+      new DominatorTree();
+    } catch (e) {
+      threw = true;
+    }
+    ok(threw, "Constructor shouldn't be usable");
+  } catch (e) {
+    ok(false, "Unexpected error inside worker:\n" + e.toString() + "\n" + e.stack);
+  } finally {
+    done();
+  }
+};
+
+// Proxy assertions to the main thread.
+function ok(val, msg) {
+  console.log("ok(" + !!val + ", \"" + msg + "\")");
+  self.postMessage({
+    type: "assertion",
+    passed: !!val,
+    msg,
+    stack: Error().stack
+  });
+}
+
+// Tell the main thread we are done with the tests.
+function done() {
+  console.log("done()");
+  self.postMessage({
+    type: "done"
+  });
+}
-- 
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