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test(c-api) Add tests for the wasmer_metering_* API.

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This commit is contained in:
Ivan Enderlin
2021-03-01 17:11:09 +01:00
parent 8b30ae9d41
commit cb02694abc
1 changed files with 53 additions and 6 deletions
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59
lib/c-api/src/wasm_c_api/unstable/middlewares/metering.rs
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@@ -9,14 +9,14 @@
//! # (assert_c! {
//! # #include "tests/wasmer_wasm.h"
//! #
//! int main() {//!//!
//! int main() {
//! wasmer_metering_t* metering = wasmer_metering_new(10);
//! wasmer_module_middleware_t* middleware = wasmer_metering_as_middleware(metering);
//!
//! wasm_config_t* config = wasm_config_new();
//! wasm_config_push_middleware(config, middleware);
//!
//! wasm_engine_t* engine = wasm_engin_new_with_config(config);
//! wasm_engine_t* engine = wasm_engine_new_with_config(config);
//!
//! wasm_store_t* store = wasm_store_new(engine);
//!
@@ -25,11 +25,13 @@
//! &wat,
//! "(module\n"
//! " (type $add_t (func (param i32) (result i32)))\n"
//! " (func $add_one_f (type $add_t) (param $value i32) (result i32)\n"
//! " (func $add_two_f (type $add_t) (param $value i32) (result i32)\n"
//! " local.get $value\n"
//! " i32.const 1\n"
//! " i32.add\n"
//! " i32.const 1\n"
//! " i32.add)\n"
//! " (export "add_one" (func $add_one_f)))"
//! " (export \"add_two\" (func $add_two_f)))"
//! );
//! wasm_byte_vec_t wasm;
//! wat2wasm(&wat, &wasm);
@@ -42,8 +44,53 @@
//! wasm_instance_t* instance = wasm_instance_new(store, module, &imports, &traps);
//! assert(instance);
//!
//!
//!
//! wasm_extern_vec_t exports;
//! wasm_instance_exports(instance, &exports);
//! assert(exports.size >= 1);
//! assert(wasm_extern_kind(exports.data[0]) == WASM_EXTERN_FUNC);
//!
//! const wasm_func_t* add_two = wasm_extern_as_func(exports.data[0]);
//! assert(add_two);
//!
//! wasm_val_t arguments[1] = { WASM_I32_VAL(40) };
//! wasm_val_t results[1] = { WASM_INIT_VAL };
//!
//! wasm_val_vec_t arguments_as_array = WASM_ARRAY_VEC(arguments);
//! wasm_val_vec_t results_as_array = WASM_ARRAY_VEC(results);
//!
//! uint64_t exhausted_value = -1;
//!
//! {
//! wasm_trap_t* trap = wasm_func_call(add_two, &arguments_as_array, &results_as_array);
//! assert(trap == NULL);
//! assert(results[0].of.i32 == 42);
//!
//! wasmer_metering_points_t* metering_points = wasmer_metering_get_remaining_points(instance);
//! assert(wasmer_metering_points_unwrap_or(metering_points, exhausted_value) == 6);
//! assert(wasmer_metering_points_is_exhausted(metering_points) == false);
//! wasmer_metering_points_delete(metering_points);
//! }
//!
//! {
//! wasm_trap_t* trap = wasm_func_call(add_two, &arguments_as_array, &results_as_array);
//! assert(trap == NULL);
//! assert(results[0].of.i32 == 42);
//!
//! wasmer_metering_points_t* metering_points = wasmer_metering_get_remaining_points(instance);
//! assert(wasmer_metering_points_unwrap_or(metering_points, exhausted_value) == 2);
//! assert(wasmer_metering_points_is_exhausted(metering_points) == false);
//! wasmer_metering_points_delete(metering_points);
//! }
//!
//! {
//! wasm_trap_t* trap = wasm_func_call(add_two, &arguments_as_array, &results_as_array);
//! assert(trap != NULL);
//!
//! wasmer_metering_points_t* metering_points = wasmer_metering_get_remaining_points(instance);
//! assert(wasmer_metering_points_unwrap_or(metering_points, exhausted_value) == exhausted_value);
//! assert(wasmer_metering_points_is_exhausted(metering_points) == true);
//! wasmer_metering_points_delete(metering_points);
//! }
//!
//! wasm_instance_delete(instance);
//! wasm_module_delete(module);