[inspector] introduced memory size limit for console message storage

test/inspector/runtime/console-messages-limits.js

+// Copyright 2017 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.
+
+print('Checks that console message storage doesn\'t exceed limits');
+
+InspectorTest.addScript(`
+function generateEmptyMessages(n) {
+  for (var i = 0; i < n; ++i) {
+    console.log('');
+  }
+}
+
+function generate1MbMessages(n) {
+  for (var i = 0; i < n; ++i) {
+    console.log(new Array(1024 * 1024 - 32).join('!'));
+  }
+}
+//# sourceURL=test.js`, 7, 26);
+
+var messagesReported = 0;
+Protocol.Runtime.onConsoleAPICalled(message => {
+  ++messagesReported;
+});
+
+InspectorTest.runTestSuite([
+  function testMaxConsoleMessagesCount(next) {
+    messagesReported = 0;
+    Protocol.Runtime.evaluate({ expression: 'generateEmptyMessages(1005)'})
+      .then(() => Protocol.Runtime.enable())
+      .then(() => Protocol.Runtime.disable())
+      .then(() => InspectorTest.log(`Messages reported: ${messagesReported}`))
+      .then(next);
+  },
+
+  function testMaxConsoleMessagesV8Size(next) {
+    messagesReported = 0;
+    Protocol.Runtime.evaluate({ expression: 'generate1MbMessages(11)'})
+      .then(() => Protocol.Runtime.enable())
+      .then(() => Protocol.Runtime.disable())
+      .then(() => InspectorTest.log(`Messages reported: ${messagesReported}`))
+      .then(next);
+  }
+]);