--- a/test/test_buffer.cpp Sun May 01 10:39:13 2022 +0200 +++ b/test/test_buffer.cpp Sun May 01 11:44:23 2022 +0200 @@ -36,6 +36,7 @@ EXPECT_EQ(buf->flush_blksize, 4096); EXPECT_EQ(buf->flush_threshold, SIZE_MAX); EXPECT_EQ(buf->flush_func, nullptr); + EXPECT_EQ(buf->flush_target, nullptr); } TEST(BufferInit, WrapSpace) { @@ -311,6 +312,7 @@ const char *data = "test"; ASSERT_EQ(buf.capacity, 8); ASSERT_EQ(buf.pos, 4); + ASSERT_EQ(buf.size, 4); size_t written = cxBufferWrite(data, 1, 4, &buf); EXPECT_EQ(written, 4); EXPECT_EQ(buf.size, 8); @@ -319,18 +321,11 @@ EXPECT_EQ(memcmp(buf.space, "preptest", 8), 0); } -TEST_F(BufferWrite, SizeOneOverwrite) { - -} - -TEST_F(BufferWrite, SizeOnePartialOverwrite) { - -} - TEST_F(BufferWrite, SizeOneDiscard) { const char *data = "testing"; ASSERT_EQ(buf.capacity, 8); ASSERT_EQ(buf.pos, 4); + ASSERT_EQ(buf.size, 4); size_t written = cxBufferWrite(data, 1, 7, &buf); EXPECT_EQ(written, 4); EXPECT_EQ(buf.size, 8); @@ -344,6 +339,7 @@ const char *data = "testing"; ASSERT_EQ(buf.capacity, 8); ASSERT_EQ(buf.pos, 4); + ASSERT_EQ(buf.size, 4); size_t written = cxBufferWrite(data, 1, 7, &buf); EXPECT_EQ(written, 7); EXPECT_EQ(buf.size, 11); @@ -352,62 +348,162 @@ EXPECT_EQ(memcmp(buf.space, "preptesting", 11), 0); } -TEST_F(BufferWrite, MultibyteOverwrite) { - -} - -TEST_F(BufferWrite, MultibytePartialOverwrite) { - -} - TEST_F(BufferWrite, MultibyteFit) { - + const char *data = "test"; + ASSERT_EQ(buf.capacity, 8); + ASSERT_EQ(buf.pos, 4); + ASSERT_EQ(buf.size, 4); + size_t written = cxBufferWrite(data, 2, 2, &buf); + EXPECT_EQ(written, 2); + EXPECT_EQ(buf.size, 8); + EXPECT_EQ(buf.pos, 8); + EXPECT_EQ(buf.capacity, 8); + EXPECT_EQ(memcmp(buf.space, "preptest", 8), 0); } TEST_F(BufferWrite, MultibyteDiscard) { + const char *data = "tester"; + ASSERT_EQ(buf.capacity, 8); + ASSERT_EQ(buf.size, 4); + buf.pos = 3; + size_t written = cxBufferWrite(data, 2, 3, &buf); // remember: whole elements are discarded if they do not fit + EXPECT_EQ(written, 2); + EXPECT_EQ(buf.size, 7); + EXPECT_EQ(buf.pos, 7); + EXPECT_EQ(buf.capacity, 8); + EXPECT_EQ(memcmp(buf.space, "pretest\0", 8), 0); } TEST_F(BufferWrite, MultibyteExtend) { - + buf.flags |= CX_BUFFER_AUTO_EXTEND; + const char *data = "tester"; + ASSERT_EQ(buf.capacity, 8); + ASSERT_EQ(buf.size, 4); + buf.pos = 3; + size_t written = cxBufferWrite(data, 2, 3, &buf); + // remember: whole elements are discarded if they do not fit + EXPECT_EQ(written, 3); + EXPECT_EQ(buf.size, 9); + EXPECT_EQ(buf.pos, 9); + EXPECT_GE(buf.capacity, 9); + EXPECT_EQ(memcmp(buf.space, "pretester\0", 10), 0); } TEST_F(BufferWrite, PutcWrapperFit) { - -} - -TEST_F(BufferWrite, PutcWrapperOverwrite) { - -} - -TEST_F(BufferWrite, PutcWrapperPartialOverwrite) { - + ASSERT_EQ(buf.capacity, 8); + ASSERT_EQ(buf.pos, 4); + ASSERT_EQ(buf.size, 4); + int c = cxBufferPut(&buf, 0x20 | 'a'); + EXPECT_EQ(c, 'a'); + EXPECT_EQ(buf.size, 5); + EXPECT_EQ(buf.pos, 5); + EXPECT_EQ(buf.capacity, 8); + EXPECT_EQ(memcmp(buf.space, "prepa\0", 6), 0); } TEST_F(BufferWrite, PutcWrapperDiscard) { - + ASSERT_EQ(buf.capacity, 8); + ASSERT_EQ(buf.size, 4); + buf.pos = 8; + int c = cxBufferPut(&buf, 0x20 | 'a'); + EXPECT_EQ(c, EOF); + EXPECT_EQ(buf.size, 4); + EXPECT_EQ(buf.pos, 8); + EXPECT_EQ(buf.capacity, 8); + EXPECT_EQ(memcmp(buf.space, "prep\0\0\0\0\0", 9), 0); } TEST_F(BufferWrite, PutcWrapperExtend) { - + buf.flags |= CX_BUFFER_AUTO_EXTEND; + ASSERT_EQ(buf.capacity, 8); + ASSERT_EQ(buf.size, 4); + buf.pos = 8; + int c = cxBufferPut(&buf, 0x20 | 'a'); + EXPECT_EQ(c, 'a'); + EXPECT_EQ(buf.size, 9); + EXPECT_EQ(buf.pos, 9); + EXPECT_GE(buf.capacity, 9); + EXPECT_EQ(memcmp(buf.space, "prep\0\0\0\0a\0", 10), 0); } TEST_F(BufferWrite, PutStringWrapperFit) { - -} - -TEST_F(BufferWrite, PutStringWrapperOverwrite) { - -} - -TEST_F(BufferWrite, PutStringWrapperPartialOverwrite) { - + const char *data = "test"; + ASSERT_EQ(buf.capacity, 8); + ASSERT_EQ(buf.pos, 4); + ASSERT_EQ(buf.size, 4); + size_t written = cxBufferPutString(&buf, data); + EXPECT_EQ(written, 4); + EXPECT_EQ(buf.size, 8); + EXPECT_EQ(buf.pos, 8); + EXPECT_EQ(buf.capacity, 8); + EXPECT_EQ(memcmp(buf.space, "preptest", 8), 0); } TEST_F(BufferWrite, PutStringWrapperDiscard) { - + const char *data = "testing"; + ASSERT_EQ(buf.capacity, 8); + ASSERT_EQ(buf.pos, 4); + ASSERT_EQ(buf.size, 4); + size_t written = cxBufferPutString(&buf, data); + EXPECT_EQ(written, 4); + EXPECT_EQ(buf.size, 8); + EXPECT_EQ(buf.pos, 8); + EXPECT_EQ(buf.capacity, 8); + EXPECT_EQ(memcmp(buf.space, "preptest\0", 9), 0); } TEST_F(BufferWrite, PutStringWrapperExtend) { + buf.flags |= CX_BUFFER_AUTO_EXTEND; + const char *data = "testing"; + ASSERT_EQ(buf.capacity, 8); + ASSERT_EQ(buf.pos, 4); + ASSERT_EQ(buf.size, 4); + size_t written = cxBufferPutString(&buf, data); + EXPECT_EQ(written, 7); + EXPECT_EQ(buf.size, 11); + EXPECT_EQ(buf.pos, 11); + EXPECT_GE(buf.capacity, 11); + EXPECT_EQ(memcmp(buf.space, "preptesting", 11), 0); +} +TEST_F(BufferWrite, MultOverflow) { + const char *data = "testing"; + ASSERT_EQ(buf.capacity, 8); + ASSERT_EQ(buf.pos, 4); + ASSERT_EQ(buf.size, 4); + size_t written = cxBufferWrite(data, 8, SIZE_MAX / 4, &buf); + EXPECT_EQ(written, 0); + EXPECT_EQ(buf.capacity, 8); + EXPECT_EQ(buf.pos, 4); + EXPECT_EQ(buf.size, 4); + EXPECT_EQ(memcmp(buf.space, "prep\0", 5), 0); } + +TEST_F(BufferWrite, MaxCapaOverflow) { + buf.flags |= CX_BUFFER_AUTO_EXTEND; + const char *data = "testing"; + ASSERT_EQ(buf.capacity, 8); + ASSERT_EQ(buf.pos, 4); + ASSERT_EQ(buf.size, 4); + size_t written = cxBufferWrite(data, 1, SIZE_MAX - 2, &buf); + EXPECT_EQ(written, 0); + EXPECT_EQ(buf.capacity, 8); + EXPECT_EQ(buf.pos, 4); + EXPECT_EQ(buf.size, 4); + EXPECT_EQ(memcmp(buf.space, "prep\0", 5), 0); +} + +TEST_F(BufferWrite, OnlyOverwrite) { + buf.flags |= CX_BUFFER_AUTO_EXTEND; + ASSERT_EQ(buf.capacity, 8); + memcpy(buf.space, "preptest", 8); + buf.pos = 3; + buf.size = 8; + size_t written = cxBufferWrite("XXX", 2, 2, &buf); + EXPECT_EQ(written, 2); + EXPECT_EQ(buf.capacity, 8); + EXPECT_EQ(buf.size, 8); + EXPECT_EQ(buf.pos, 7); + EXPECT_EQ(memcmp(buf.space, "preXXX\0t", 8), 0); +}