mirror of
https://github.com/yuzu-emu/unicorn.git
synced 2024-10-20 20:38:19 +02:00
103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
#include "unicorn_test.h"
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#include <stdio.h>
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#include <string.h>
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/* Called before every test to set up a new instance */
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static int setup(void **state)
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{
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uc_engine *uc;
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uc_assert_success(uc_open(UC_ARCH_X86, UC_MODE_32, &uc));
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*state = uc;
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return 0;
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}
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/* Called after every test to clean up */
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static int teardown(void **state)
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{
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uc_engine *uc = *state;
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uc_assert_success(uc_close(uc));
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*state = NULL;
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return 0;
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}
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/******************************************************************************/
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/**
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* A basic test showing mapping of memory, and reading/writing it
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*/
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static void test_basic(void **state)
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{
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uc_engine *uc = *state;
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const uint64_t mem_start = 0x1000;
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const uint64_t mem_len = 0x1000;
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const uint64_t test_addr = mem_start + 0x100;
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/* Map a region */
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uc_assert_success(uc_mem_map(uc, mem_start, mem_len, UC_PROT_NONE));
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/* Write some data to it */
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uc_assert_success(uc_mem_write(uc, test_addr, "test", 4));
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uint8_t buf[4];
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memset(buf, 0xCC, sizeof(buf));
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/* Read it back */
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uc_assert_success(uc_mem_read(uc, test_addr, buf, sizeof(buf)));
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/* And make sure it matches what we expect */
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assert_memory_equal(buf, "test", 4);
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/* Unmap the region */
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uc_assert_success(uc_mem_unmap(uc, mem_start, mem_len));
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}
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/**
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* Verify that we can read/write across memory map region boundaries
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*/
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static void test_rw_across_boundaries(void **state)
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{
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uc_engine *uc = *state;
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/* Map in two adjacent regions */
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uc_assert_success(uc_mem_map(uc, 0, 0x1000, 0)); /* 0x0000 - 0x1000 */
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uc_assert_success(uc_mem_map(uc, 0x1000, 0x1000, 0)); /* 0x1000 - 0x2000 */
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const uint64_t addr = 0x1000 - 2; /* 2 bytes before end of block */
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/* Write some data across the boundary */
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uc_assert_success(uc_mem_write(uc, addr, "test", 4));
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uint8_t buf[4];
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memset(buf, 0xCC, sizeof(buf));
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/* Read the data across the boundary */
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uc_assert_success(uc_mem_read(uc, addr, buf, sizeof(buf)));
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assert_memory_equal(buf, "test", 4);
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}
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static void test_bad_unmap(void **state)
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{
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uc_engine *uc = *state;
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uc_err err;
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/* Try to unmap memory that has not been mapped */
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err = uc_mem_unmap(uc, 0x0, 0x1000);
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assert_int_not_equal(err, UC_ERR_OK);
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}
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int main(void) {
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const struct CMUnitTest tests[] = {
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cmocka_unit_test_setup_teardown(test_basic, setup, teardown),
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cmocka_unit_test_setup_teardown(test_bad_unmap, setup, teardown),
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cmocka_unit_test_setup_teardown(test_rw_across_boundaries, setup, teardown),
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};
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return cmocka_run_group_tests(tests, NULL, NULL);
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}
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