allow_zero_blocktype_tests.cpp

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#include <sysio/vm/backend.hpp>
 
#include "utils.hpp"
#include <catch2/catch.hpp>
 
using namespace sysio::vm;
 
extern wasm_allocator wa;
 
namespace {
 
/*
 * (module
 *   (func (block))
 * )
 */
std::vector<uint8_t> block_wasm = {
   0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x04, 0x01, 0x60,
   0x00, 0x00, 0x03, 0x02, 0x01, 0x00, 0x0a, 0x07, 0x01, 0x05, 0x00, 0x02,
   0x00 /* was 0x40 */, 0x0b, 0x0b
};
 
/*
 * (module
 *   (func (loop))
 * )
 */
std::vector<uint8_t> loop_wasm = {
   0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x04, 0x01, 0x60,
   0x00, 0x00, 0x03, 0x02, 0x01, 0x00, 0x0a, 0x07, 0x01, 0x05, 0x00, 0x03,
   0x00 /* was 0x40 */, 0x0b, 0x0b
};
 
/*
 * (module
 *   (func (if (i32.const 0) (then)))
 * )
 */
std::vector<uint8_t> if_wasm = {
   0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x04, 0x01, 0x60,
   0x00, 0x00, 0x03, 0x02, 0x01, 0x00, 0x0a, 0x09, 0x01, 0x07, 0x00, 0x41,
   0x00, 0x04, 0x00 /* was 0x40 */, 0x0b, 0x0b
};
 
struct empty_options {};
struct static_options_false {
   static constexpr bool allow_zero_blocktype = false;
};
struct static_options_true {
   static constexpr std::uint32_t allow_zero_blocktype = true;
};
struct dynamic_options {
   bool allow_zero_blocktype;
};
 
}
 
BACKEND_TEST_CASE("Test allow_zero_blocktype default", "[allow_zero_blocktype_test]") {
   using backend_t = backend<std::nullptr_t, TestType>;
   CHECK_THROWS_AS(backend_t(block_wasm, &wa), wasm_parse_exception);
   CHECK_THROWS_AS(backend_t(loop_wasm, &wa), wasm_parse_exception);
   CHECK_THROWS_AS(backend_t(if_wasm, &wa), wasm_parse_exception);
}
 
BACKEND_TEST_CASE("Test allow_zero_blocktype empty", "[allow_zero_blocktype_test]") {
   using backend_t = backend<std::nullptr_t, TestType, empty_options>;
   CHECK_THROWS_AS(backend_t(block_wasm, &wa), wasm_parse_exception);
   CHECK_THROWS_AS(backend_t(loop_wasm, &wa), wasm_parse_exception);
   CHECK_THROWS_AS(backend_t(if_wasm, &wa), wasm_parse_exception);
}
 
BACKEND_TEST_CASE("Test allow_zero_blocktype static fail", "[allow_zero_blocktype_test]") {
   using backend_t = backend<std::nullptr_t, TestType, static_options_false>;
   CHECK_THROWS_AS(backend_t(block_wasm, &wa), wasm_parse_exception);
   CHECK_THROWS_AS(backend_t(loop_wasm, &wa), wasm_parse_exception);
   CHECK_THROWS_AS(backend_t(if_wasm, &wa), wasm_parse_exception);
}
 
BACKEND_TEST_CASE("Test allow_zero_blocktype static pass", "[allow_zero_blocktype_test]") {
   using backend_t = backend<std::nullptr_t, TestType, static_options_true>;
   backend_t backend_block(block_wasm, &wa);
   backend_t backend_loop(loop_wasm, &wa);
   backend_t backend_if(if_wasm, &wa);
}
 
BACKEND_TEST_CASE("Test allow_zero_blocktype dynamic fail", "[allow_zero_blocktype_test]") {
   using backend_t = backend<std::nullptr_t, TestType, dynamic_options>;
   CHECK_THROWS_AS(backend_t(block_wasm, nullptr, dynamic_options{false}), wasm_parse_exception);
   CHECK_THROWS_AS(backend_t(loop_wasm, nullptr, dynamic_options{false}), wasm_parse_exception);
   CHECK_THROWS_AS(backend_t(if_wasm, nullptr, dynamic_options{false}), wasm_parse_exception);
}
 
BACKEND_TEST_CASE("Test allow_zero_blocktype dynamic pass", "[allow_zero_blocktype_test]") {
   using backend_t = backend<std::nullptr_t, TestType, dynamic_options>;
   backend_t backend_block(block_wasm, nullptr, dynamic_options{true});
   backend_t backend_loop(loop_wasm, nullptr, dynamic_options{true});
   backend_t backend_if(if_wasm, nullptr, dynamic_options{true});
}