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test: Add C++ API test executing Precompiles VM

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This commit is contained in:
Paweł Bylica 2019-11-05 12:52:40 +01:00
parent 3f6ea7ac7d
commit 310dc8e438
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GPG Key ID: 7A0C037434FE77EF
2 changed files with 33 additions and 2 deletions
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11
test/unittests/CMakeLists.txt
View File

@ -17,7 +17,16 @@ add_executable(
test_loader.cpp
)
target_link_libraries(evmc-unittests PRIVATE loader-mocked evmc::example-vm-static evmc-example-host instructions GTest::gtest_main)
target_link_libraries(
evmc-unittests
PRIVATE
loader-mocked
evmc::example-vm-static
evmc::example-precompiles-vm
evmc-example-host
instructions
GTest::gtest_main
)
set_target_properties(evmc-unittests PROPERTIES RUNTIME_OUTPUT_DIRECTORY ..)
gtest_add_tests(TARGET evmc-unittests TEST_PREFIX ${PROJECT_NAME}/unittests/)

24
test/unittests/test_cpp.cpp
View File

@ -7,17 +7,18 @@
#include <vector>
#include "../../examples/example_host.h"
#include "../../examples/example_precompiles_vm/example_precompiles_vm.h"
#include "../../examples/example_vm/example_vm.h"
#include <evmc/evmc.hpp>
#include <gtest/gtest.h>
#include <array>
#include <cstring>
#include <map>
#include <unordered_map>
TEST(cpp, address)
{
evmc::address a;
@ -344,6 +345,27 @@ TEST(cpp, vm_move)
EXPECT_EQ(destroy_counter, 5);
}
TEST(cpp, vm_execute_precompiles)
{
auto vm = evmc::VM{evmc_create_example_precompiles_vm()};
EXPECT_EQ(vm.get_capabilities(), evmc_capabilities_flagset{EVMC_CAPABILITY_PRECOMPILES});
constexpr std::array<uint8_t, 3> input{{1, 2, 3}};
evmc_message msg{};
msg.destination.bytes[19] = 4; // Call Identify precompile at address 0x4.
msg.input_data = input.data();
msg.input_size = input.size();
msg.gas = 18;
constexpr evmc_host_interface null_interface{};
auto res = vm.execute(null_interface, nullptr, EVMC_MAX_REVISION, msg, nullptr, 0);
EXPECT_EQ(res.status_code, EVMC_SUCCESS);
EXPECT_EQ(res.gas_left, 0);
ASSERT_EQ(res.output_size, input.size());
EXPECT_TRUE(std::equal(input.begin(), input.end(), res.output_data));
}
TEST(cpp, host)
{
// Use example host to execute all methods from the C++ host wrapper.