universe@789: /* universe@789: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. universe@789: * universe@789: * Copyright 2023 Mike Becker, Olaf Wintermann All rights reserved. universe@789: * universe@789: * Redistribution and use in source and binary forms, with or without universe@789: * modification, are permitted provided that the following conditions are met: universe@789: * universe@789: * 1. Redistributions of source code must retain the above copyright universe@789: * notice, this list of conditions and the following disclaimer. universe@789: * universe@789: * 2. Redistributions in binary form must reproduce the above copyright universe@789: * notice, this list of conditions and the following disclaimer in the universe@789: * documentation and/or other materials provided with the distribution. universe@789: * universe@789: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" universe@789: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE universe@789: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE universe@789: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE universe@789: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR universe@789: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF universe@789: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS universe@789: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN universe@789: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) universe@789: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE universe@789: * POSSIBILITY OF SUCH DAMAGE. universe@789: */ universe@789: universe@789: #include "cx/test.h" universe@789: #include "util_allocator.h" universe@789: universe@789: #include "cx/buffer.h" universe@789: universe@789: static CX_TEST_SUBROUTINE(expect_default_flush_config, CxBuffer *buf) { universe@789: CX_TEST_ASSERT(buf->flush_blkmax == 0); universe@789: CX_TEST_ASSERT(buf->flush_blksize == 4096); universe@789: CX_TEST_ASSERT(buf->flush_threshold == SIZE_MAX); universe@789: CX_TEST_ASSERT(buf->flush_func == NULL); universe@789: CX_TEST_ASSERT(buf->flush_target == NULL); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_init_wrap_space) { universe@789: CxTestingAllocator talloc; universe@789: cx_testing_allocator_init(&talloc); universe@789: CxAllocator *alloc = &talloc.base; universe@789: CX_TEST_DO { universe@789: CxBuffer buf; universe@789: void *space = cxMalloc(alloc, 16); universe@789: cxBufferInit(&buf, space, 16, alloc, CX_BUFFER_DEFAULT); universe@789: CX_TEST_CALL_SUBROUTINE(expect_default_flush_config, &buf); universe@789: CX_TEST_ASSERT(buf.space == space); universe@789: CX_TEST_ASSERT((buf.flags & CX_BUFFER_AUTO_EXTEND) == 0); universe@789: CX_TEST_ASSERT((buf.flags & CX_BUFFER_FREE_CONTENTS) == 0); universe@789: CX_TEST_ASSERT(buf.pos == 0); universe@789: CX_TEST_ASSERT(buf.size == 0); universe@789: CX_TEST_ASSERT(buf.capacity == 16); universe@789: CX_TEST_ASSERT(buf.allocator == alloc); universe@789: cxBufferDestroy(&buf); universe@789: CX_TEST_ASSERT(!cx_testing_allocator_verify(&talloc)); universe@789: cxFree(alloc, space); universe@789: CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc)); universe@789: } universe@789: cx_testing_allocator_destroy(&talloc); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_init_wrap_space_auto_extend) { universe@789: CxTestingAllocator talloc; universe@789: cx_testing_allocator_init(&talloc); universe@789: CxAllocator *alloc = &talloc.base; universe@789: CX_TEST_DO { universe@789: CxBuffer buf; universe@789: void *space = cxMalloc(alloc, 16); universe@789: cxBufferInit(&buf, space, 16, alloc, CX_BUFFER_AUTO_EXTEND); universe@789: CX_TEST_CALL_SUBROUTINE(expect_default_flush_config, &buf); universe@789: CX_TEST_ASSERT(buf.space == space); universe@789: CX_TEST_ASSERT((buf.flags & CX_BUFFER_AUTO_EXTEND) == CX_BUFFER_AUTO_EXTEND); universe@789: CX_TEST_ASSERT((buf.flags & CX_BUFFER_FREE_CONTENTS) == 0); universe@789: CX_TEST_ASSERT(buf.pos == 0); universe@789: CX_TEST_ASSERT(buf.size == 0); universe@789: CX_TEST_ASSERT(buf.capacity == 16); universe@789: CX_TEST_ASSERT(buf.allocator == alloc); universe@789: cxBufferDestroy(&buf); universe@789: CX_TEST_ASSERT(!cx_testing_allocator_verify(&talloc)); universe@789: cxFree(alloc, space); universe@789: CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc)); universe@789: } universe@789: cx_testing_allocator_destroy(&talloc); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_init_wrap_space_auto_free) { universe@789: CxTestingAllocator talloc; universe@789: cx_testing_allocator_init(&talloc); universe@789: CxAllocator *alloc = &talloc.base; universe@789: CX_TEST_DO { universe@789: CxBuffer buf; universe@789: void *space = cxMalloc(alloc, 16); universe@789: cxBufferInit(&buf, space, 16, alloc, CX_BUFFER_FREE_CONTENTS); universe@789: CX_TEST_CALL_SUBROUTINE(expect_default_flush_config, &buf); universe@789: CX_TEST_ASSERT(buf.space == space); universe@789: CX_TEST_ASSERT((buf.flags & CX_BUFFER_AUTO_EXTEND) == 0); universe@789: CX_TEST_ASSERT((buf.flags & CX_BUFFER_FREE_CONTENTS) == CX_BUFFER_FREE_CONTENTS); universe@789: CX_TEST_ASSERT(buf.pos == 0); universe@789: CX_TEST_ASSERT(buf.size == 0); universe@789: CX_TEST_ASSERT(buf.capacity == 16); universe@789: CX_TEST_ASSERT(buf.allocator == alloc); universe@789: CX_TEST_ASSERT(!cx_testing_allocator_verify(&talloc)); universe@789: cxBufferDestroy(&buf); universe@789: CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc)); universe@789: } universe@789: cx_testing_allocator_destroy(&talloc); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_init_fresh_space) { universe@789: CxTestingAllocator talloc; universe@789: cx_testing_allocator_init(&talloc); universe@789: CxAllocator *alloc = &talloc.base; universe@789: CX_TEST_DO { universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, NULL, 8, alloc, CX_BUFFER_DEFAULT); universe@789: CX_TEST_CALL_SUBROUTINE(expect_default_flush_config, &buf); universe@789: CX_TEST_ASSERT(buf.space != NULL); universe@789: CX_TEST_ASSERT((buf.flags & CX_BUFFER_AUTO_EXTEND) == 0); universe@789: CX_TEST_ASSERT((buf.flags & CX_BUFFER_FREE_CONTENTS) == CX_BUFFER_FREE_CONTENTS); universe@789: CX_TEST_ASSERT(buf.pos == 0); universe@789: CX_TEST_ASSERT(buf.size == 0); universe@789: CX_TEST_ASSERT(buf.capacity == 8); universe@789: CX_TEST_ASSERT(buf.allocator == alloc); universe@789: CX_TEST_ASSERT(!cx_testing_allocator_verify(&talloc)); // space is still allocated universe@789: cxBufferDestroy(&buf); universe@789: CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc)); universe@789: } universe@789: cx_testing_allocator_destroy(&talloc); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_init_on_heap) { universe@789: CxTestingAllocator talloc; universe@789: cx_testing_allocator_init(&talloc); universe@789: CxAllocator *alloc = &talloc.base; universe@789: CX_TEST_DO { universe@789: CxBuffer *buf; universe@789: void *space = cxMalloc(alloc, 16); universe@789: buf = cxBufferCreate(space, 16, alloc, CX_BUFFER_FREE_CONTENTS); universe@789: CX_TEST_ASSERT(buf != NULL); universe@789: CX_TEST_CALL_SUBROUTINE(expect_default_flush_config, buf); universe@789: CX_TEST_ASSERT(buf->space == space); universe@789: CX_TEST_ASSERT((buf->flags & CX_BUFFER_AUTO_EXTEND) == 0); universe@789: CX_TEST_ASSERT((buf->flags & CX_BUFFER_FREE_CONTENTS) == CX_BUFFER_FREE_CONTENTS); universe@789: CX_TEST_ASSERT(buf->pos == 0); universe@789: CX_TEST_ASSERT(buf->size == 0); universe@789: CX_TEST_ASSERT(buf->capacity == 16); universe@789: CX_TEST_ASSERT(buf->allocator == alloc); universe@789: cxBufferFree(buf); universe@789: CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc)); universe@789: } universe@789: cx_testing_allocator_destroy(&talloc); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_minimum_capacity_sufficient) { universe@789: CxTestingAllocator talloc; universe@789: cx_testing_allocator_init(&talloc); universe@789: CxAllocator *alloc = &talloc.base; universe@789: CX_TEST_DO { universe@789: void *space = cxMalloc(alloc, 8); universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, space, 8, alloc, CX_BUFFER_FREE_CONTENTS); universe@789: memcpy(space, "Testing", 8); universe@789: buf.size = 8; universe@789: cxBufferMinimumCapacity(&buf, 6); universe@789: CX_TEST_ASSERT(buf.capacity == 8); universe@789: CX_TEST_ASSERT(buf.size == 8); universe@789: CX_TEST_ASSERT(memcmp(buf.space, "Testing", 8) == 0); universe@789: cxBufferDestroy(&buf); universe@789: CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc)); universe@789: } universe@789: cx_testing_allocator_destroy(&talloc); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_minimum_capacity_extend) { universe@789: CxTestingAllocator talloc; universe@789: cx_testing_allocator_init(&talloc); universe@789: CxAllocator *alloc = &talloc.base; universe@789: CX_TEST_DO { universe@789: void *space = cxMalloc(alloc, 8); universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, space, 8, alloc, CX_BUFFER_FREE_CONTENTS); // NO auto extend! universe@789: memcpy(space, "Testing", 8); universe@789: buf.size = 8; universe@789: cxBufferMinimumCapacity(&buf, 16); universe@789: CX_TEST_ASSERT(buf.capacity == 16); universe@789: CX_TEST_ASSERT(buf.size == 8); universe@789: CX_TEST_ASSERT(memcmp(buf.space, "Testing", 8) == 0); universe@789: cxBufferDestroy(&buf); universe@789: CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc)); universe@789: } universe@789: cx_testing_allocator_destroy(&talloc); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_clear) { universe@789: char space[16]; universe@789: strcpy(space, "clear test"); universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, space, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@789: CX_TEST_DO { universe@789: CX_TEST_ASSERT(buf.size == 0); universe@789: // only clear the used part of the buffer universe@789: cxBufferClear(&buf); universe@789: CX_TEST_ASSERT(0 == memcmp(space, "clear test", 10)); universe@789: buf.size = 5; universe@789: buf.pos = 3; universe@789: cxBufferClear(&buf); universe@789: CX_TEST_ASSERT(0 == memcmp(space, "\0\0\0\0\0 test", 10)); universe@789: CX_TEST_ASSERT(buf.size == 0); universe@789: CX_TEST_ASSERT(buf.pos == 0); universe@789: } universe@789: cxBufferDestroy(&buf); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_reset) { universe@789: char space[16]; universe@789: strcpy(space, "reset test"); universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, space, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@789: CX_TEST_DO { universe@789: buf.size = 5; universe@789: buf.pos = 3; universe@789: cxBufferReset(&buf); universe@789: CX_TEST_ASSERT(0 == memcmp(space, "reset test", 10)); universe@789: CX_TEST_ASSERT(buf.size == 0); universe@789: CX_TEST_ASSERT(buf.pos == 0); universe@789: } universe@789: cxBufferDestroy(&buf); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_seek_set_zero) { universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@789: buf.size = 6; universe@789: buf.pos = 3; universe@789: CX_TEST_DO { universe@789: int result = cxBufferSeek(&buf, 0, SEEK_SET); universe@789: CX_TEST_ASSERT(result == 0); universe@789: CX_TEST_ASSERT(buf.pos == 0); universe@789: } universe@789: cxBufferDestroy(&buf); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_seek_set_valid) { universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@789: buf.size = 6; universe@789: buf.pos = 3; universe@789: CX_TEST_DO { universe@789: int result = cxBufferSeek(&buf, 5, SEEK_SET); universe@789: CX_TEST_ASSERT(result == 0); universe@789: CX_TEST_ASSERT(buf.pos == 5); universe@789: } universe@789: cxBufferDestroy(&buf); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_seek_set_invalid) { universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@789: buf.size = 6; universe@789: buf.pos = 3; universe@789: CX_TEST_DO { universe@789: int result = cxBufferSeek(&buf, 6, SEEK_SET); universe@789: CX_TEST_ASSERT(result != 0); universe@789: CX_TEST_ASSERT(buf.pos == 3); universe@789: } universe@789: cxBufferDestroy(&buf); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_seek_cur_zero) { universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@789: buf.size = 6; universe@789: buf.pos = 3; universe@789: CX_TEST_DO { universe@789: int result = cxBufferSeek(&buf, 0, SEEK_CUR); universe@789: CX_TEST_ASSERT(result == 0); universe@789: CX_TEST_ASSERT(buf.pos == 3); universe@789: } universe@789: cxBufferDestroy(&buf); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_seek_cur_valid_positive) { universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@789: buf.size = 6; universe@789: buf.pos = 3; universe@789: CX_TEST_DO { universe@789: int result = cxBufferSeek(&buf, 2, SEEK_CUR); universe@789: CX_TEST_ASSERT(result == 0); universe@789: CX_TEST_ASSERT(buf.pos == 5); universe@789: } universe@789: cxBufferDestroy(&buf); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_seek_cur_valid_negative) { universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@789: buf.size = 6; universe@789: buf.pos = 3; universe@789: CX_TEST_DO { universe@789: int result = cxBufferSeek(&buf, -3, SEEK_CUR); universe@789: CX_TEST_ASSERT(result == 0); universe@789: CX_TEST_ASSERT(buf.pos == 0); universe@789: } universe@789: cxBufferDestroy(&buf); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_seek_cur_invalid_positive) { universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@789: buf.size = 6; universe@789: buf.pos = 3; universe@789: CX_TEST_DO { universe@789: int result = cxBufferSeek(&buf, 3, SEEK_CUR); universe@789: CX_TEST_ASSERT(result != 0); universe@789: CX_TEST_ASSERT(buf.pos == 3); universe@789: } universe@789: cxBufferDestroy(&buf); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_seek_cur_invalid_negative) { universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@789: buf.size = 6; universe@789: buf.pos = 3; universe@789: CX_TEST_DO { universe@789: int result = cxBufferSeek(&buf, -4, SEEK_CUR); universe@789: CX_TEST_ASSERT(result != 0); universe@789: CX_TEST_ASSERT(buf.pos == 3); universe@789: } universe@789: cxBufferDestroy(&buf); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_seek_end_zero) { universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@789: buf.size = 6; universe@789: buf.pos = 3; universe@789: CX_TEST_DO { universe@789: int result = cxBufferSeek(&buf, 0, SEEK_END); universe@789: // the (past-the-)end position is always invalid universe@789: CX_TEST_ASSERT(result != 0); universe@789: CX_TEST_ASSERT(buf.pos == 3); universe@789: } universe@789: cxBufferDestroy(&buf); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_seek_end_valid) { universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@789: buf.size = 6; universe@789: buf.pos = 3; universe@789: CX_TEST_DO { universe@789: int result = cxBufferSeek(&buf, -6, SEEK_END); universe@789: CX_TEST_ASSERT(result == 0); universe@789: CX_TEST_ASSERT(buf.pos == 0); universe@789: } universe@789: cxBufferDestroy(&buf); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_seek_end_invalid) { universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@789: buf.size = 6; universe@789: buf.pos = 3; universe@789: CX_TEST_DO { universe@789: int result = cxBufferSeek(&buf, 1, SEEK_END); universe@789: CX_TEST_ASSERT(result != 0); universe@789: CX_TEST_ASSERT(buf.pos == 3); universe@789: } universe@789: cxBufferDestroy(&buf); universe@789: } universe@789: universe@789: CX_TEST(test_buffer_seek_whence_invalid) { universe@789: CxBuffer buf; universe@789: cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@789: buf.size = 6; universe@789: buf.pos = 3; universe@789: CX_TEST_DO { universe@789: int result = cxBufferSeek(&buf, 2, 9000); universe@789: CX_TEST_ASSERT(result != 0); universe@789: CX_TEST_ASSERT(buf.size == 6); universe@789: CX_TEST_ASSERT(buf.pos == 3); universe@789: } universe@789: cxBufferDestroy(&buf); universe@789: } universe@789: universe@792: CX_TEST(test_buffer_eof_reached) { universe@792: CxBuffer buf; universe@792: cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@792: buf.size = buf.pos = 3; universe@792: CX_TEST_DO { universe@792: CX_TEST_ASSERT(cxBufferEof(&buf)); universe@792: buf.pos = buf.size - 1; universe@792: CX_TEST_ASSERT(!cxBufferEof(&buf)); universe@792: cxBufferPut(&buf, 'a'); universe@792: CX_TEST_ASSERT(cxBufferEof(&buf)); universe@792: } universe@792: cxBufferDestroy(&buf); universe@792: } universe@792: universe@792: CX_TEST(test_buffer_eof_not_reached) { universe@792: CxBuffer buf; universe@792: cxBufferInit(&buf, NULL, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); universe@792: buf.size = 6; universe@792: CX_TEST_DO { universe@792: buf.pos = buf.size - 1; universe@792: CX_TEST_ASSERT(!cxBufferEof(&buf)); universe@792: buf.pos = 0; universe@792: cxBufferWrite("test", 1, 5, &buf); universe@792: CX_TEST_ASSERT(!cxBufferEof(&buf)); universe@792: } universe@792: cxBufferDestroy(&buf); universe@792: } universe@792: universe@792: #define TEST_BUFFER_SHIFT_SETUP(buf) \ universe@792: CxTestingAllocator talloc; \ universe@792: cx_testing_allocator_init(&talloc); \ universe@792: CxAllocator *alloc = &talloc.base; \ universe@792: CxBuffer buf; \ universe@792: cxBufferInit(&buf, NULL, 16, alloc, CX_BUFFER_DEFAULT); \ universe@792: memcpy(buf.space, "test____XXXXXXXX", 16); \ universe@792: buf.capacity = 8; \ universe@792: buf.pos = 4; \ universe@792: buf.size = 4 universe@792: #define TEST_BUFFER_SHIFT_TEARDOWN(buf) \ universe@792: cxBufferDestroy(&buf); \ universe@792: CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc)); \ universe@792: cx_testing_allocator_destroy(&talloc); universe@792: universe@792: universe@792: CX_TEST(test_buffer_shift_left_zero) { universe@792: TEST_BUFFER_SHIFT_SETUP(buf); universe@792: CX_TEST_DO { universe@792: int ret = cxBufferShiftLeft(&buf, 0); universe@792: CX_TEST_ASSERT(ret == 0); universe@792: CX_TEST_ASSERT(buf.pos == 4); universe@792: CX_TEST_ASSERT(buf.size == 4); universe@792: CX_TEST_ASSERT(memcmp(buf.space, "test____XXXXXXXX", 16) == 0); universe@792: TEST_BUFFER_SHIFT_TEARDOWN(buf); universe@792: } universe@792: } universe@792: universe@792: CX_TEST(test_buffer_shift_left_zero_offset_interface) { universe@792: TEST_BUFFER_SHIFT_SETUP(buf); universe@792: CX_TEST_DO { universe@792: int ret = cxBufferShift(&buf, -0); universe@792: CX_TEST_ASSERT(ret == 0); universe@792: CX_TEST_ASSERT(buf.pos == 4); universe@792: CX_TEST_ASSERT(buf.size == 4); universe@792: CX_TEST_ASSERT(memcmp(buf.space, "test____XXXXXXXX", 16) == 0); universe@792: TEST_BUFFER_SHIFT_TEARDOWN(buf); universe@792: } universe@792: } universe@792: universe@792: CX_TEST(test_buffer_shift_left_standard) { universe@792: TEST_BUFFER_SHIFT_SETUP(buf); universe@792: CX_TEST_DO { universe@792: int ret = cxBufferShiftLeft(&buf, 2); universe@792: CX_TEST_ASSERT(ret == 0); universe@792: CX_TEST_ASSERT(buf.pos == 2); universe@792: CX_TEST_ASSERT(buf.size == 2); universe@792: CX_TEST_ASSERT(memcmp(buf.space, "stst____XXXXXXXX", 16) == 0); universe@792: TEST_BUFFER_SHIFT_TEARDOWN(buf); universe@792: } universe@792: } universe@792: universe@792: CX_TEST(test_buffer_shift_left_overshift) { universe@792: TEST_BUFFER_SHIFT_SETUP(buf); universe@792: CX_TEST_DO { universe@792: int ret = cxBufferShiftLeft(&buf, 6); universe@792: CX_TEST_ASSERT(ret == 0); universe@792: CX_TEST_ASSERT(buf.pos == 0); universe@792: CX_TEST_ASSERT(buf.size == 0); universe@792: CX_TEST_ASSERT(memcmp(buf.space, "test____XXXXXXXX", 16) == 0); universe@792: TEST_BUFFER_SHIFT_TEARDOWN(buf); universe@792: } universe@792: } universe@792: universe@792: CX_TEST(test_buffer_shift_left_overshift_pos_only) { universe@792: TEST_BUFFER_SHIFT_SETUP(buf); universe@792: buf.pos = 2; universe@792: CX_TEST_DO { universe@792: int ret = cxBufferShiftLeft(&buf, 3); universe@792: CX_TEST_ASSERT(ret == 0); universe@792: CX_TEST_ASSERT(buf.pos == 0); universe@792: CX_TEST_ASSERT(buf.size == 1); universe@792: CX_TEST_ASSERT(memcmp(buf.space, "test____XXXXXXXX", 16) == 0); universe@792: TEST_BUFFER_SHIFT_TEARDOWN(buf); universe@792: } universe@792: } universe@792: universe@792: CX_TEST(test_buffer_shift_left_offset_interface) { universe@792: TEST_BUFFER_SHIFT_SETUP(buf); universe@792: buf.pos = 3; universe@792: CX_TEST_DO { universe@792: int ret = cxBufferShift(&buf, -2); universe@792: CX_TEST_ASSERT(ret == 0); universe@792: CX_TEST_ASSERT(buf.pos == 1); universe@792: CX_TEST_ASSERT(buf.size == 2); universe@792: CX_TEST_ASSERT(memcmp(buf.space, "stst____XXXXXXXX", 16) == 0); universe@792: TEST_BUFFER_SHIFT_TEARDOWN(buf); universe@792: } universe@792: } universe@792: universe@792: CX_TEST(test_buffer_shift_right_zero) { universe@792: TEST_BUFFER_SHIFT_SETUP(buf); universe@792: CX_TEST_DO { universe@792: int ret = cxBufferShiftRight(&buf, 0); universe@792: CX_TEST_ASSERT(ret == 0); universe@792: CX_TEST_ASSERT(buf.pos == 4); universe@792: CX_TEST_ASSERT(buf.size == 4); universe@792: CX_TEST_ASSERT(memcmp(buf.space, "test____XXXXXXXX", 16) == 0); universe@792: TEST_BUFFER_SHIFT_TEARDOWN(buf); universe@792: } universe@792: } universe@792: universe@792: CX_TEST(test_buffer_shift_right_zero_offset_interface) { universe@792: TEST_BUFFER_SHIFT_SETUP(buf); universe@792: CX_TEST_DO { universe@792: int ret = cxBufferShift(&buf, +0); universe@792: CX_TEST_ASSERT(ret == 0); universe@792: CX_TEST_ASSERT(buf.pos == 4); universe@792: CX_TEST_ASSERT(buf.size == 4); universe@792: CX_TEST_ASSERT(memcmp(buf.space, "test____XXXXXXXX", 16) == 0); universe@792: TEST_BUFFER_SHIFT_TEARDOWN(buf); universe@792: } universe@792: } universe@792: universe@792: CX_TEST(test_buffer_shift_right_standard) { universe@792: TEST_BUFFER_SHIFT_SETUP(buf); universe@792: CX_TEST_DO { universe@792: int ret = cxBufferShiftRight(&buf, 3); universe@792: CX_TEST_ASSERT(ret == 0); universe@792: CX_TEST_ASSERT(buf.pos == 7); universe@792: CX_TEST_ASSERT(buf.size == 7); universe@792: CX_TEST_ASSERT(memcmp(buf.space, "testest_XXXXXXXX", 16) == 0); universe@792: TEST_BUFFER_SHIFT_TEARDOWN(buf); universe@792: } universe@792: } universe@792: universe@792: CX_TEST(test_buffer_shift_right_overshift_discard) { universe@792: TEST_BUFFER_SHIFT_SETUP(buf); universe@792: CX_TEST_DO { universe@792: int ret = cxBufferShiftRight(&buf, 6); universe@792: CX_TEST_ASSERT(ret == 0); universe@792: CX_TEST_ASSERT(buf.pos == 8); universe@792: CX_TEST_ASSERT(buf.size == 8); universe@792: CX_TEST_ASSERT(buf.capacity == 8); universe@792: CX_TEST_ASSERT(memcmp(buf.space, "test__teXXXXXXXX", 16) == 0); universe@792: TEST_BUFFER_SHIFT_TEARDOWN(buf); universe@792: } universe@792: } universe@792: universe@792: CX_TEST(test_buffer_shift_right_overshift_extend) { universe@792: TEST_BUFFER_SHIFT_SETUP(buf); universe@792: buf.flags |= CX_BUFFER_AUTO_EXTEND; universe@792: CX_TEST_DO { universe@792: int ret = cxBufferShiftRight(&buf, 6); universe@792: CX_TEST_ASSERT(ret == 0); universe@792: CX_TEST_ASSERT(buf.pos == 10); universe@792: CX_TEST_ASSERT(buf.size == 10); universe@792: CX_TEST_ASSERT(buf.capacity >= 10); universe@792: // cannot assert more than 10 bytes because universe@792: // the buffer was required to reallocate the space universe@792: CX_TEST_ASSERT(memcmp(buf.space, "test__test", 10) == 0); universe@792: TEST_BUFFER_SHIFT_TEARDOWN(buf); universe@792: } universe@792: } universe@792: universe@792: CX_TEST(test_buffer_shift_right_offset_interface) { universe@792: TEST_BUFFER_SHIFT_SETUP(buf); universe@792: buf.pos = 3; universe@792: CX_TEST_DO { universe@792: int ret = cxBufferShift(&buf, 2); universe@792: CX_TEST_ASSERT(ret == 0); universe@792: CX_TEST_ASSERT(buf.pos == 5); universe@792: CX_TEST_ASSERT(buf.size == 6); universe@792: CX_TEST_ASSERT(memcmp(buf.space, "tetest__XXXXXXXX", 16) == 0); universe@792: TEST_BUFFER_SHIFT_TEARDOWN(buf); universe@792: } universe@792: } universe@792: universe@789: CxTestSuite *cx_test_suite_buffer(void) { universe@789: CxTestSuite *suite = cx_test_suite_new("buffer"); universe@789: universe@789: cx_test_register(suite, test_buffer_init_wrap_space); universe@789: cx_test_register(suite, test_buffer_init_wrap_space_auto_extend); universe@789: cx_test_register(suite, test_buffer_init_wrap_space_auto_free); universe@789: cx_test_register(suite, test_buffer_init_fresh_space); universe@789: cx_test_register(suite, test_buffer_init_on_heap); universe@789: cx_test_register(suite, test_buffer_minimum_capacity_sufficient); universe@789: cx_test_register(suite, test_buffer_minimum_capacity_extend); universe@789: cx_test_register(suite, test_buffer_clear); universe@789: cx_test_register(suite, test_buffer_reset); universe@789: cx_test_register(suite, test_buffer_seek_set_zero); universe@789: cx_test_register(suite, test_buffer_seek_set_valid); universe@789: cx_test_register(suite, test_buffer_seek_set_invalid); universe@789: cx_test_register(suite, test_buffer_seek_cur_zero); universe@789: cx_test_register(suite, test_buffer_seek_cur_valid_positive); universe@789: cx_test_register(suite, test_buffer_seek_cur_valid_negative); universe@789: cx_test_register(suite, test_buffer_seek_cur_invalid_positive); universe@789: cx_test_register(suite, test_buffer_seek_cur_invalid_negative); universe@789: cx_test_register(suite, test_buffer_seek_end_zero); universe@789: cx_test_register(suite, test_buffer_seek_end_valid); universe@789: cx_test_register(suite, test_buffer_seek_end_invalid); universe@789: cx_test_register(suite, test_buffer_seek_whence_invalid); universe@792: cx_test_register(suite, test_buffer_eof_reached); universe@792: cx_test_register(suite, test_buffer_eof_not_reached); universe@792: cx_test_register(suite, test_buffer_shift_left_zero); universe@792: cx_test_register(suite, test_buffer_shift_left_zero_offset_interface); universe@792: cx_test_register(suite, test_buffer_shift_left_standard); universe@792: cx_test_register(suite, test_buffer_shift_left_overshift); universe@792: cx_test_register(suite, test_buffer_shift_left_overshift_pos_only); universe@792: cx_test_register(suite, test_buffer_shift_left_offset_interface); universe@792: cx_test_register(suite, test_buffer_shift_right_zero); universe@792: cx_test_register(suite, test_buffer_shift_right_zero_offset_interface); universe@792: cx_test_register(suite, test_buffer_shift_right_standard); universe@792: cx_test_register(suite, test_buffer_shift_right_overshift_discard); universe@792: cx_test_register(suite, test_buffer_shift_right_overshift_extend); universe@792: cx_test_register(suite, test_buffer_shift_right_offset_interface); universe@789: universe@789: return suite; universe@789: }