deps: update V8 to 7.1.302.28

PR-URL: https://github.com/nodejs/node/pull/23423
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Myles Borins <myles.borins@gmail.com>

1 files changed, 87 insertions, 0 deletions

diff --git a/deps/v8/test/inspector/runtime/stable-object-id.js b/deps/v8/test/inspector/runtime/stable-object-id.js
new file mode 100644
index 0000000000..944bae0d3a
--- /dev/null
+++ b/deps/v8/test/inspector/runtime/stable-object-id.js
@@ -0,0 +1,87 @@
+// Copyright 2018 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+let {session, contextGroup, Protocol} = InspectorTest.start(
+    'Checks that protocol returns the same RemoteObjectId for the same object');
+
+InspectorTest.runAsyncTestSuite([
+  async function testGlobal() {
+    const {result:{result:{objectId:firstId}}} =
+        await Protocol.Runtime.evaluate({expression: 'this'});
+    const firstStableId = await stableObjectId(firstId);
+    const {result:{result:{objectId:secondId}}} =
+        await Protocol.Runtime.evaluate({expression: 'this'});
+    const secondStableId = await stableObjectId(secondId);
+    InspectorTest.log(
+        `Compare global evaluated twice: ${firstStableId === secondStableId}`);
+  },
+
+  async function testObject() {
+    const {result:{result:{objectId:firstId}}} =
+        await Protocol.Runtime.evaluate({expression: 'this.a = {}, this.a'});
+    const firstStableId = await stableObjectId(firstId);
+    const {result:{result:{objectId:secondId}}} =
+        await Protocol.Runtime.evaluate({expression: 'this.a'});
+    const secondStableId = await stableObjectId(secondId);
+    InspectorTest.log(
+        `Compare object evaluated twice: ${firstStableId === secondStableId}`);
+  },
+
+  async function testObjectInArray() {
+    await Protocol.Runtime.evaluate({expression: 'this.b = [this.a, this.a]'});
+    const {result:{result:{objectId:firstId}}} =
+        await Protocol.Runtime.evaluate({expression: 'this.b[0]'});
+    const firstStableId = await stableObjectId(firstId);
+    const {result:{result:{objectId:secondId}}} =
+        await Protocol.Runtime.evaluate({expression: 'this.b[1]'});
+    const secondStableId = await stableObjectId(secondId);
+    InspectorTest.log(
+        `Compare first and second element: ${firstStableId === secondStableId}`);
+  },
+
+  async function testObjectOnPause() {
+    const {result:{result:{objectId:globalId}}} =
+        await Protocol.Runtime.evaluate({expression: 'this'});
+    const globalStableId = await stableObjectId(globalId);
+    const {result:{result:{objectId:aId}}} =
+        await Protocol.Runtime.evaluate({expression: 'this.a'});
+    const aStableId = await stableObjectId(aId);
+    await Protocol.Debugger.enable();
+    Protocol.Runtime.evaluate({expression: 'debugger'});
+    const {params:{callFrames:[topFrame]}} =
+        await Protocol.Debugger.oncePaused();
+    const topFrameThisStableId = await stableObjectId(topFrame.this.objectId);
+    InspectorTest.log(
+        `Compare global and this: ${globalStableId === topFrameThisStableId}`);
+
+    const {result:{result:{objectId:globalIdOnPause}}} =
+        await Protocol.Debugger.evaluateOnCallFrame({
+          callFrameId: topFrame.callFrameId,
+          expression: 'this'
+        });
+    const globalStableIdOnPause = await stableObjectId(globalIdOnPause);
+    InspectorTest.log(
+        `Compare global and global on pause: ${
+            globalStableId === globalStableIdOnPause}`);
+
+    const {result:{result: props}} = await Protocol.Runtime.getProperties({
+      objectId: topFrame.scopeChain[0].object.objectId
+    });
+    const {value:{objectId: aIdOnPause}} = props.find(prop => prop.name === 'a');
+    const aStableIdOnPause = await stableObjectId(aIdOnPause);
+    InspectorTest.log(`Compare a and a on pause: ${
+        aStableId === aStableIdOnPause}`);
+  }
+]);
+
+async function stableObjectId(objectId) {
+  const {result:{
+    internalProperties: props
+  }} = await Protocol.Runtime.getProperties({
+    objectId,
+    ownProperties: true,
+    generatePreview: false
+  });
+  return props.find(prop => prop.name === '[[StableObjectId]]').value.value;
+}