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test(runtime-c-api) Test wasmer_import_trap.

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This commit is contained in:
Ivan Enderlin 2020-01-13 07:22:03 +01:00
parent 8790f6dbc9
commit b45ead289f
4 changed files with 86 additions and 3 deletions
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1
lib/runtime-c-api/tests/.gitignore vendored
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@ -15,6 +15,7 @@ test-exported-memory
test-exports
test-globals
test-import-function
test-import-trap
test-import-object
test-imports
test-instantiate

5
lib/runtime-c-api/tests/CMakeLists.txt
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@ -5,6 +5,7 @@ add_executable(test-exported-memory test-exported-memory.c)
add_executable(test-exports test-exports.c)
add_executable(test-globals test-globals.c)
add_executable(test-import-function test-import-function.c)
add_executable(test-import-trap test-import-trap.c)
add_executable(test-imports test-imports.c)
add_executable(test-import-object test-import-object.c)
add_executable(test-instantiate test-instantiate.c)
@ -64,6 +65,10 @@ target_link_libraries(test-import-function general ${WASMER_LIB})
target_compile_options(test-import-function PRIVATE ${COMPILER_OPTIONS})
add_test(test-import-function test-import-function)
target_link_libraries(test-import-trap general ${WASMER_LIB})
target_compile_options(test-import-trap PRIVATE ${COMPILER_OPTIONS})
add_test(test-import-trap test-import-trap)
target_link_libraries(test-imports general ${WASMER_LIB})
target_compile_options(test-imports PRIVATE ${COMPILER_OPTIONS})
add_test(test-imports test-imports)

3
lib/runtime-c-api/tests/test-import-function.c
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@ -9,7 +9,6 @@ static int memory_len = 0;
static int ptr_len = 0;
static char actual_str[14] = {};
static int actual_context_data_value = 0;
static const char *trap_error_message = "hello";
typedef struct {
int value;
@ -38,8 +37,6 @@ void print_str(wasmer_instance_context_t *ctx, int32_t ptr, int32_t len)
ptr_len = len;
actual_context_data_value = ((context_data *) wasmer_instance_context_data_get(ctx))->value;
wasmer_import_trap(ctx, trap_error_message);
}
int main()

80
lib/runtime-c-api/tests/test-import-trap.c Normal file
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@ -0,0 +1,80 @@
#include <stdio.h>
#include "../wasmer.h"
#include <assert.h>
#include <stdint.h>
#include <string.h>
static const char *trap_error_message = "Hello";
void print_str(wasmer_instance_context_t *ctx, int32_t ptr, int32_t len)
{
wasmer_import_trap(ctx, trap_error_message);
}
int main()
{
wasmer_value_tag params_sig[] = {WASM_I32, WASM_I32};
wasmer_value_tag returns_sig[] = {};
printf("Creating new func\n");
wasmer_import_func_t *func = wasmer_import_func_new((void (*)(void *)) print_str, params_sig, 2, returns_sig, 0);
char *module_name = "env";
wasmer_byte_array module_name_bytes = {
.bytes = (const uint8_t *) module_name,
.bytes_len = strlen(module_name),
};
char *import_name = "print_str";
wasmer_byte_array import_name_bytes = {
.bytes = (const uint8_t *) import_name,
.bytes_len = strlen(import_name),
};
wasmer_import_t import = {
.module_name = module_name_bytes,
.import_name = import_name_bytes,
.tag = WASM_FUNCTION,
.value.func = func,
};
wasmer_import_t imports[] = {import};
// Read the wasm file bytes
FILE *file = fopen("assets/wasm_sample_app.wasm", "r");
fseek(file, 0, SEEK_END);
long len = ftell(file);
uint8_t *bytes = malloc(len);
fseek(file, 0, SEEK_SET);
fread(bytes, 1, len, file);
fclose(file);
printf("Instantiating\n");
wasmer_instance_t *instance = NULL;
wasmer_result_t compile_result = wasmer_instantiate(&instance, bytes, len, imports, 1);
printf("Compile result: %d\n", compile_result);
assert(compile_result == WASMER_OK);
wasmer_value_t params[] = {};
wasmer_value_t results[] = {};
wasmer_result_t call_result = wasmer_instance_call(instance, "hello_wasm", params, 0, results, 0);
printf("Call result: %d\n", call_result);
assert(call_result == WASMER_ERROR);
int error_len = wasmer_last_error_length();
printf("Error len: `%d`\n", 20);
char *error_str = malloc(error_len);
wasmer_last_error_message(error_str, error_len);
printf("Error str: `%s`\n", error_str);
assert(0 == strcmp(error_str, "Call error: \"Hello\""));
printf("Destroying func\n");
wasmer_import_func_destroy(func);
printf("Destroy instance\n");
wasmer_instance_destroy(instance);
return 0;
}