| 30 | |
| 31 | template <typename StringStreamType> |
| 32 | static void TestStringStream() { |
| 33 | typedef typename StringStreamType::char_type Ch; |
| 34 | |
| 35 | { |
| 36 | StringStreamType iss; |
| 37 | BasicIStreamWrapper<StringStreamType> is(iss); |
| 38 | EXPECT_EQ(0, is.Tell()); |
| 39 | if (sizeof(Ch) == 1) { |
| 40 | EXPECT_EQ(0, is.Peek4()); |
| 41 | EXPECT_EQ(0, is.Tell()); |
| 42 | } |
| 43 | EXPECT_EQ(0, is.Peek()); |
| 44 | EXPECT_EQ(0, is.Take()); |
| 45 | EXPECT_EQ(0, is.Tell()); |
| 46 | } |
| 47 | |
| 48 | { |
| 49 | Ch s[] = { 'A', 'B', 'C', '\0' }; |
| 50 | StringStreamType iss(s); |
| 51 | BasicIStreamWrapper<StringStreamType> is(iss); |
| 52 | EXPECT_EQ(0, is.Tell()); |
| 53 | if (sizeof(Ch) == 1) { |
| 54 | EXPECT_EQ(0, is.Peek4()); // less than 4 bytes |
| 55 | } |
| 56 | for (int i = 0; i < 3; i++) { |
| 57 | EXPECT_EQ(static_cast<size_t>(i), is.Tell()); |
| 58 | EXPECT_EQ('A' + i, is.Peek()); |
| 59 | EXPECT_EQ('A' + i, is.Peek()); |
| 60 | EXPECT_EQ('A' + i, is.Take()); |
| 61 | } |
| 62 | EXPECT_EQ(3, is.Tell()); |
| 63 | EXPECT_EQ(0, is.Peek()); |
| 64 | EXPECT_EQ(0, is.Take()); |
| 65 | } |
| 66 | |
| 67 | { |
| 68 | Ch s[] = { 'A', 'B', 'C', 'D', 'E', '\0' }; |
| 69 | StringStreamType iss(s); |
| 70 | BasicIStreamWrapper<StringStreamType> is(iss); |
| 71 | if (sizeof(Ch) == 1) { |
| 72 | const Ch* c = is.Peek4(); |
| 73 | for (int i = 0; i < 4; i++) |
| 74 | EXPECT_EQ('A' + i, c[i]); |
| 75 | EXPECT_EQ(0, is.Tell()); |
| 76 | } |
| 77 | for (int i = 0; i < 5; i++) { |
| 78 | EXPECT_EQ(static_cast<size_t>(i), is.Tell()); |
| 79 | EXPECT_EQ('A' + i, is.Peek()); |
| 80 | EXPECT_EQ('A' + i, is.Peek()); |
| 81 | EXPECT_EQ('A' + i, is.Take()); |
| 82 | } |
| 83 | EXPECT_EQ(5, is.Tell()); |
| 84 | EXPECT_EQ(0, is.Peek()); |
| 85 | EXPECT_EQ(0, is.Take()); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | TEST(IStreamWrapper, istringstream) { |