test: Fix MSVC warnings

test/unittests/CMakeLists.txt

@@ -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/)

test/unittests/test_cpp.cpp

@@ -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 +345,26 @@ TEST(cpp, vm_move)
     EXPECT_EQ(destroy_counter, 5);
 }
 
+TEST(cpp, vm_execute_without_host)
+{
+    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;
+
+    auto res = vm.execute(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.