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78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdint.h>
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#include <string.h>
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#include "clar.h"
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// "Define" libc functions we're testing
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#include "pblibc_private.h"
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///////////////////////////////////////////////////////////////////////////////////////////////////
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//! Tests
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void test_memcpy__basic(void) {
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uint8_t testbuf[8] = { 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0, };
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uint8_t destbuf[8];
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memcpy(destbuf, testbuf, 8);
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cl_assert_equal_m(testbuf, destbuf, 8);
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}
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void test_memcpy__partial(void) {
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uint8_t testbuf[8] = { 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0, };
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uint8_t destbuf[8] = { 0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x78, };
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uint8_t expectbuf[8] = { 0x9A, 0xBC, 0xDE, 0xF0, 0x78, 0x78, 0x78, 0x78, };
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memcpy(destbuf, testbuf+4, 4);
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cl_assert_equal_m(expectbuf, destbuf, 8);
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}
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void test_memcpy__return_value(void) {
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uint8_t testbuf[8] = { 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0, };
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uint8_t destbuf[8];
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cl_assert_equal_p(memcpy(destbuf, testbuf, 8), destbuf);
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}
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void test_memcpy__move_basic(void) {
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uint8_t testbuf[8] = { 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0, };
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uint8_t destbuf[8];
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memmove(destbuf, testbuf, 8);
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cl_assert_equal_m(testbuf, destbuf, 8);
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}
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void test_memcpy__move_return_value(void) {
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uint8_t testbuf[8] = { 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0, };
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uint8_t destbuf[8];
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cl_assert_equal_p(memmove(destbuf, testbuf, 8), destbuf);
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}
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void test_memcpy__move_overwrite_backwards(void) {
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uint8_t testbuf[8] = { 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0, };
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uint8_t destbuf[8];
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memcpy(destbuf+4, testbuf, 4);
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memmove(destbuf+2, destbuf+4, 4);
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cl_assert_equal_m(testbuf, destbuf+2, 4);
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cl_assert_equal_m(testbuf+2, destbuf+6, 2);
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}
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void test_memcpy__move_overwrite_forwards(void) {
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uint8_t testbuf[8] = { 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0, };
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uint8_t destbuf[8];
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memcpy(destbuf+0, testbuf, 4);
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memmove(destbuf+2, destbuf+0, 4);
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cl_assert_equal_m(testbuf, destbuf+2, 4);
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cl_assert_equal_m(testbuf, destbuf+0, 2);
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}
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