Initial import of unittests using GTest/GMock.

test/unittests/unittests.gyp

+# Copyright 2014 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.
+
+{
+  'includes': ['../../build/toolchain.gypi', '../../build/features.gypi'],
+  'targets': [
+    {
+      'target_name': 'unittests',
+      'type': 'executable',
+      'dependencies': [
+        '../../testing/gmock.gyp:gmock',
+        '../../testing/gtest.gyp:gtest',
+        '../../tools/gyp/v8.gyp:v8_libplatform',
+      ],
+      'include_dirs': [
+        '../..',
+      ],
+      'sources': [  ### gcmole(all) ###
+        'compiler/compiler.h',
+        'compiler/test-instruction-selector.cc',
+        'compiler/test-instruction-selector.h',
+        'test-isolate.cc',
+        'test-isolate.h',
+        'test-zone.cc',
+        'test-zone.h',
+        'unittests.cc',
+      ],
+      'conditions': [
+        ['v8_target_arch=="arm"', {
+          'sources': [  ### gcmole(arch:arm) ###
+            'compiler/arm/test-instruction-selector-arm.cc',
+          ]
+        }],
+        ['component=="shared_library"', {
+          # unittests can't be built against a shared library, so we need to
+          # depend on the underlying static target in that case.
+          'conditions': [
+            ['v8_use_snapshot=="true"', {
+              'dependencies': ['../../tools/gyp/v8.gyp:v8_snapshot'],
+            },
+            {
+              'dependencies': [
+                '../../tools/gyp/v8.gyp:v8_nosnapshot',
+              ],
+            }],
+          ],
+        }, {
+          'dependencies': ['../../tools/gyp/v8.gyp:v8'],
+        }],
+      ],
+    },
+  ],
+}