mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-13 06:15:33 +00:00
67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
#include <stdio.h>
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#include "../wasmer.h"
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#include <assert.h>
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#include <stdint.h>
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#include <string.h>
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int main()
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{
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wasmer_memory_t *memory = NULL;
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wasmer_limits_t descriptor;
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descriptor.min = 10;
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wasmer_limit_option_t max;
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max.has_some = true;
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max.some = 15;
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descriptor.max = max;
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wasmer_result_t memory_result = wasmer_memory_new(&memory, descriptor);
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printf("Memory result: %d\n", memory_result);
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assert(memory_result == WASMER_OK);
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uint32_t len = wasmer_memory_length(memory);
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printf("Memory pages length: %d\n", len);
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assert(len == 10);
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wasmer_result_t grow_result = wasmer_memory_grow(memory, 2);
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assert(grow_result == WASMER_OK);
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uint32_t new_len = wasmer_memory_length(memory);
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printf("Memory pages length: %d\n", new_len);
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assert(new_len == 12);
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uint32_t bytes_len = wasmer_memory_data_length(memory);
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printf("Memory bytes length: %d\n", bytes_len);
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assert(bytes_len == 12 * 65536);
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// Err, grow beyond max
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wasmer_result_t grow_result2 = wasmer_memory_grow(memory, 10);
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assert(grow_result2 == WASMER_ERROR);
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int error_len = wasmer_last_error_length();
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char *error_str = malloc(error_len);
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wasmer_last_error_message(error_str, error_len);
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printf("Error str: `%s`\n", error_str);
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assert(0 == strcmp(error_str, "Failed to add pages because would exceed maximum number of pages for the memory. Left: 22, Added: 15"));
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free(error_str);
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wasmer_memory_t *bad_memory = NULL;
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wasmer_limits_t bad_descriptor;
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bad_descriptor.min = 15;
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wasmer_limit_option_t max2;
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max2.has_some = true;
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max2.some = 10;
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bad_descriptor.max = max2;
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wasmer_result_t bad_memory_result = wasmer_memory_new(&bad_memory, bad_descriptor);
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printf("Bad memory result: %d\n", bad_memory_result);
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assert(bad_memory_result == WASMER_ERROR);
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int error_len2 = wasmer_last_error_length();
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char *error_str2 = malloc(error_len2);
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wasmer_last_error_message(error_str2, error_len2);
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printf("Error str 2: `%s`\n", error_str2);
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assert(0 == strcmp(error_str2, "Unable to create because the supplied descriptor is invalid: \"Max number of memory pages is less than the minimum number of pages\""));
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free(error_str2);
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printf("Destroy memory\n");
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wasmer_memory_destroy(memory);
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return 0;
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}
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