mirror of https://github.com/status-im/evmc.git
64 lines
1.9 KiB
C++
64 lines
1.9 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 <evmc/helpers.h>
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#include <evmc/helpers.hpp>
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#include <gtest/gtest.h>
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#include <map>
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#include <unordered_map>
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// Compile time checks:
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static_assert(sizeof(evmc_bytes32) == 32, "evmc_bytes32 is too big");
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static_assert(sizeof(evmc_address) == 20, "evmc_address is too big");
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static_assert(sizeof(evmc_result) <= 64, "evmc_result does not fit cache line");
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static_assert(sizeof(evmc_instance) <= 64, "evmc_instance does not fit cache line");
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static_assert(offsetof(evmc_message, value) % 8 == 0, "evmc_message.value not aligned");
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// Check enums match int size.
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// On GCC/clang the underlying type should be unsigned int, on MSVC int
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static_assert(sizeof(evmc_call_kind) == sizeof(int),
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"Enum `evmc_call_kind` is not the size of int");
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static_assert(sizeof(evmc_revision) == sizeof(int), "Enum `evmc_revision` is not the size of int");
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static constexpr size_t optionalDataSize =
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sizeof(evmc_result) - offsetof(evmc_result, create_address);
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static_assert(optionalDataSize == sizeof(evmc_result_optional_storage), "");
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TEST(helpers, maps)
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{
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std::map<evmc_address, bool> addresses;
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addresses[{}] = true;
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ASSERT_EQ(addresses.size(), 1);
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std::unordered_map<evmc_address, bool> unordered_addresses;
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unordered_addresses.emplace(*addresses.begin());
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EXPECT_EQ(unordered_addresses.size(), 1);
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std::map<evmc_bytes32, bool> storage;
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storage[{}] = true;
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ASSERT_EQ(storage.size(), 1);
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std::unordered_map<evmc_bytes32, bool> unordered_storage;
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unordered_storage.emplace(*storage.begin());
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EXPECT_EQ(unordered_storage.size(), 1);
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}
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TEST(helpers, is_zero)
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{
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auto a = evmc_address{};
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EXPECT_TRUE(is_zero(a));
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a.bytes[0] = 1;
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EXPECT_FALSE(is_zero(a));
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auto b = evmc_bytes32{};
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EXPECT_TRUE(is_zero(b));
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b.bytes[0] = 1;
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EXPECT_FALSE(is_zero(b));
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}
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