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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/win/scoped_bstr.h" | |
| 6 #include "testing/gtest/include/gtest/gtest.h" | |
| 7 | |
| 8 namespace base { | |
| 9 namespace win { | |
| 10 | |
| 11 namespace { | |
| 12 | |
| 13 static const wchar_t kTestString1[] = L"123"; | |
| 14 static const wchar_t kTestString2[] = L"456789"; | |
| 15 size_t test1_len = arraysize(kTestString1) - 1; | |
| 16 size_t test2_len = arraysize(kTestString2) - 1; | |
| 17 | |
| 18 void DumbBstrTests() { | |
| 19 ScopedBstr b; | |
| 20 EXPECT_TRUE(b == NULL); | |
| 21 EXPECT_EQ(0, b.Length()); | |
| 22 EXPECT_EQ(0, b.ByteLength()); | |
| 23 b.Reset(NULL); | |
| 24 EXPECT_TRUE(b == NULL); | |
| 25 EXPECT_TRUE(b.Release() == NULL); | |
| 26 ScopedBstr b2; | |
| 27 b.Swap(b2); | |
| 28 EXPECT_TRUE(b2 == NULL); | |
| 29 } | |
| 30 | |
| 31 void GiveMeABstr(BSTR* ret) { | |
| 32 *ret = SysAllocString(kTestString1); | |
| 33 } | |
| 34 | |
| 35 void BasicBstrTests() { | |
| 36 ScopedBstr b1(kTestString1); | |
| 37 EXPECT_EQ(test1_len, b1.Length()); | |
| 38 EXPECT_EQ(test1_len * sizeof(kTestString1[0]), b1.ByteLength()); | |
| 39 | |
| 40 ScopedBstr b2; | |
| 41 b1.Swap(b2); | |
| 42 EXPECT_EQ(test1_len, b2.Length()); | |
| 43 EXPECT_EQ(0, b1.Length()); | |
| 44 EXPECT_EQ(0, lstrcmp(b2, kTestString1)); | |
| 45 BSTR tmp = b2.Release(); | |
| 46 EXPECT_TRUE(tmp != NULL); | |
| 47 EXPECT_EQ(0, lstrcmp(tmp, kTestString1)); | |
| 48 EXPECT_TRUE(b2 == NULL); | |
| 49 SysFreeString(tmp); | |
| 50 | |
| 51 GiveMeABstr(b2.Receive()); | |
| 52 EXPECT_TRUE(b2 != NULL); | |
| 53 b2.Reset(); | |
| 54 EXPECT_TRUE(b2.AllocateBytes(100) != NULL); | |
| 55 EXPECT_EQ(100, b2.ByteLength()); | |
| 56 EXPECT_EQ(100 / sizeof(kTestString1[0]), b2.Length()); | |
| 57 lstrcpy(static_cast<BSTR>(b2), kTestString1); | |
| 58 EXPECT_EQ(test1_len, lstrlen(b2)); | |
| 59 EXPECT_EQ(100 / sizeof(kTestString1[0]), b2.Length()); | |
| 60 b2.SetByteLen(lstrlen(b2) * sizeof(kTestString2[0])); | |
| 61 EXPECT_EQ(b2.Length(), lstrlen(b2)); | |
| 62 | |
| 63 EXPECT_TRUE(b1.Allocate(kTestString2) != NULL); | |
| 64 EXPECT_EQ(test2_len, b1.Length()); | |
| 65 b1.SetByteLen((test2_len - 1) * sizeof(kTestString2[0])); | |
| 66 EXPECT_EQ(test2_len - 1, b1.Length()); | |
| 67 } | |
| 68 | |
| 69 } // namespace | |
| 70 | |
| 71 TEST(ScopedBstrTest, ScopedBstr) { | |
| 72 DumbBstrTests(); | |
| 73 BasicBstrTests(); | |
| 74 } | |
| 75 | |
| 76 } // namespace win | |
| 77 } // namespace base | |
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