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[/] [s80186/] [trunk/] [tests/] [rtl/] [TestIP.cpp] - Rev 2
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// Copyright Jamie Iles, 2017 // // This file is part of s80x86. // // s80x86 is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // s80x86 is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with s80x86. If not, see <http://www.gnu.org/licenses/>. #include <gtest/gtest.h> #include <VIP.h> #include "VerilogTestbench.h" class IPTestFixture : public VerilogTestbench<VIP>, public ::testing::Test { public: void inc(); uint16_t get(); void commit(); void rollback(); void set(uint16_t v); }; void IPTestFixture::inc() { this->dut.inc = 1; after_n_cycles(1, [&] { this->dut.inc = 0; }); cycle(); } uint16_t IPTestFixture::get() { return this->dut.val; } void IPTestFixture::set(uint16_t val) { this->dut.wr_val = val; this->dut.wr_en = 1; after_n_cycles(1, [&] { this->dut.wr_en = 0; }); cycle(); } void IPTestFixture::commit() { this->dut.start_instruction = 1; after_n_cycles(1, [&] { this->dut.start_instruction = 0; }); cycle(); } void IPTestFixture::rollback() { this->dut.rollback = 1; after_n_cycles(1, [&] { this->dut.rollback = 0; }); cycle(); } TEST_F(IPTestFixture, IncrementAndReset) { ASSERT_EQ(0U, get()); inc(); inc(); ASSERT_EQ(2U, get()); reset(); ASSERT_EQ(0U, get()); } TEST_F(IPTestFixture, SetNewValue) { ASSERT_EQ(0U, get()); set(0xa55a); ASSERT_EQ(0xa55a, get()); } TEST_F(IPTestFixture, IncNoRollback) { set(0x0100); commit(); inc(); inc(); inc(); inc(); rollback(); ASSERT_EQ(0x0100, get()); }