mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
/* Copyright JS Foundation and other contributors, http://js.foundation
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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 "ecma-init-finalize.h"
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#include "jmem.h"
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#include "test-common.h"
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#define BASIC_SIZE (64)
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int
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main (void)
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{
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TEST_INIT ();
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jmem_init ();
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ecma_init ();
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{
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uint8_t *block1_p = (uint8_t *) jmem_heap_alloc_block (BASIC_SIZE);
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uint8_t *block2_p = (uint8_t *) jmem_heap_alloc_block (BASIC_SIZE);
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uint8_t *block3_p = (uint8_t *) jmem_heap_alloc_block (BASIC_SIZE);
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/* [block1 64] [block2 64] [block3 64] [...] */
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for (uint8_t i = 0; i < BASIC_SIZE; i++)
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{
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block2_p[i] = i;
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}
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/* Realloc by moving */
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block2_p = jmem_heap_realloc_block (block2_p, BASIC_SIZE, BASIC_SIZE * 2);
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/* [block1 64] [free 64] [block3 64] [block2 128] [...] */
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for (uint8_t i = 0; i < BASIC_SIZE; i++)
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{
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TEST_ASSERT (block2_p[i] == i);
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}
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for (uint8_t i = BASIC_SIZE; i < BASIC_SIZE * 2; i++)
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{
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block2_p[i] = i;
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}
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uint8_t *block4_p = (uint8_t *) jmem_heap_alloc_block (BASIC_SIZE * 2);
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/* [block1 64] [free 64] [block3 64] [block2 128] [block4 128] [...] */
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jmem_heap_free_block (block3_p, BASIC_SIZE);
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/* [block1 64] [free 128] [block2 128] [block4 128] [...] */
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/* Realloc by extending front */
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block2_p = (uint8_t *) jmem_heap_realloc_block (block2_p, BASIC_SIZE * 2, BASIC_SIZE * 3);
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/* [block1 64] [free 64] [block2 192] [block4 128] [...] */
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for (uint8_t i = 0; i < BASIC_SIZE * 2; i++)
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{
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TEST_ASSERT (block2_p[i] == i);
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}
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/* Shrink */
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block2_p = (uint8_t *) jmem_heap_realloc_block (block2_p, BASIC_SIZE * 3, BASIC_SIZE);
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/* [block1 64] [free 64] [block2 64] [free 128] [block4 128] [...] */
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for (uint8_t i = 0; i < BASIC_SIZE; i++)
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{
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TEST_ASSERT (block2_p[i] == i);
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}
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for (uint8_t i = 0; i < BASIC_SIZE; i++)
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{
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block1_p[i] = i;
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}
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/* Grow in place */
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block1_p = (uint8_t *) jmem_heap_realloc_block (block1_p, BASIC_SIZE, BASIC_SIZE * 2);
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/* [block1 128] [block2 64] [free 128] [block4 128] [...] */
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for (uint8_t i = 0; i < BASIC_SIZE; i++)
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{
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TEST_ASSERT (block1_p[i] == i);
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}
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jmem_heap_free_block (block1_p, BASIC_SIZE * 2);
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jmem_heap_free_block (block2_p, BASIC_SIZE);
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jmem_heap_free_block (block4_p, BASIC_SIZE * 2);
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}
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ecma_finalize ();
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jmem_finalize ();
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return 0;
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} /* main */
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