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108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
// EVMC: Ethereum Client-VM Connector API
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// Copyright 2019 The EVMC Authors.
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// Licensed under the Apache License, Version 2.0.
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#include "../../examples/example_host.h"
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#include "vmtester.hpp"
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#include <evmc/helpers.h>
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#include <array>
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#include <cstring>
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TEST_F(evmc_vm_test, abi_version_match)
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{
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ASSERT_EQ(vm->abi_version, EVMC_ABI_VERSION);
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}
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TEST_F(evmc_vm_test, execute)
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{
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evmc_context* context = example_host_create_context();
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evmc_message msg{};
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std::array<uint8_t, 2> code = {{0xfe, 0x00}};
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evmc_result result =
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vm->execute(vm, context, EVMC_MAX_REVISION, &msg, code.data(), code.size());
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// Validate some constraints
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if (result.status_code != EVMC_SUCCESS && result.status_code != EVMC_REVERT)
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{
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EXPECT_EQ(result.gas_left, 0);
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}
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if (result.output_data == NULL)
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{
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EXPECT_EQ(result.output_size, 0);
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}
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if (result.release)
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result.release(&result);
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example_host_destroy_context(context);
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}
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TEST_F(evmc_vm_test, set_option_unknown_name)
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{
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if (vm->set_option)
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{
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evmc_set_option_result r = vm->set_option(vm, "unknown_option_csk9twq", "v");
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EXPECT_EQ(r, EVMC_SET_OPTION_INVALID_NAME);
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r = vm->set_option(vm, "unknown_option_csk9twq", "x");
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EXPECT_EQ(r, EVMC_SET_OPTION_INVALID_NAME);
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}
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}
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TEST_F(evmc_vm_test, set_option_empty_value)
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{
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if (vm->set_option)
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{
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evmc_set_option_result r = vm->set_option(vm, "unknown_option_csk9twq", nullptr);
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EXPECT_EQ(r, EVMC_SET_OPTION_INVALID_NAME);
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}
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}
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TEST_F(evmc_vm_test, set_option_unknown_value)
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{
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auto r = evmc_set_option(vm, "verbose", "1");
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// Execute more tests if the VM supports "verbose" option.
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if (r != EVMC_SET_OPTION_INVALID_NAME)
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{
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// The VM supports "verbose" option. Try dummy value for it.
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auto r2 = evmc_set_option(vm, "verbose", "GjNOONsbUl");
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EXPECT_EQ(r2, EVMC_SET_OPTION_INVALID_VALUE);
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// For null the behavior should be the same.
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auto r3 = evmc_set_option(vm, "verbose", nullptr);
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EXPECT_EQ(r3, EVMC_SET_OPTION_INVALID_VALUE);
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}
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}
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TEST_F(evmc_vm_test, name)
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{
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ASSERT_NE(vm->name, nullptr);
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EXPECT_GT(std::strlen(vm->name), 0) << "VM name cannot be empty";
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}
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TEST_F(evmc_vm_test, version)
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{
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ASSERT_NE(vm->version, nullptr);
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EXPECT_GT(std::strlen(vm->version), 0) << "VM name cannot be empty";
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}
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TEST_F(evmc_vm_test, set_tracer)
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{
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static const auto tracer_callback =
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[](evmc_tracer_context*, size_t, evmc_status_code, int64_t, size_t, const evmc_uint256be*,
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size_t, size_t, size_t, const uint8_t*) noexcept {};
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if (vm->set_tracer)
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vm->set_tracer(vm, tracer_callback, nullptr);
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}
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TEST_F(evmc_vm_test, capabilities)
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{
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// The VM should have at least one of EVM1 or EWASM capabilities.
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EXPECT_TRUE(evmc_vm_has_capability(vm, EVMC_CAPABILITY_EVM1) ||
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evmc_vm_has_capability(vm, EVMC_CAPABILITY_EWASM));
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}
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