mirror of https://github.com/openXC7/prjxray.git
26 lines
703 B
C++
26 lines
703 B
C++
/*
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* Copyright (C) 2017-2020 The Project X-Ray Authors.
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*
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* Use of this source code is governed by a ISC-style
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* license that can be found in the LICENSE file or at
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* https://opensource.org/licenses/ISC
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*
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* SPDX-License-Identifier: ISC
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*/
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#include <prjxray/xilinx/xc7series/crc.h>
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#include <gtest/gtest.h>
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using namespace prjxray::xilinx;
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TEST(IcapCrcTest, SimpleTests) {
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// CRC for Zero Data
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EXPECT_EQ(xc7series::icap_crc(0, 0, 0), 0x0L);
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// Polynomial (single bit operation)
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EXPECT_EQ(xc7series::icap_crc(1 << 4, 0, 0), 0x82F63B78);
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// All Reg/Data bits
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EXPECT_EQ(xc7series::icap_crc(~0, ~0, 0), 0xBF86D4DF);
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// All CRC bits
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EXPECT_EQ(xc7series::icap_crc(0, 0, ~0), 0xC631E365);
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}
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