74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
// Written by James Turner, started 2017.
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//
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// Copyright (C) 2017 James Turner
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#include "config.h"
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#include "test_hidinput.hxx"
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#include "test_suite/FGTestApi/testGlobals.hxx"
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#include <simgear/misc/test_macros.hxx>
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#include <Input/FGHIDEventInput.hxx>
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void HIDInputTests::testValueExtract()
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{
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uint8_t testDataFromSpec[4] = {0, 0xf4, 0x1 | (0x7 << 2), 0x03};
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CPPUNIT_ASSERT(extractBits(testDataFromSpec, 4, 8, 10) == 500);
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CPPUNIT_ASSERT(extractBits(testDataFromSpec, 4, 18, 10) == 199);
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uint8_t testData2[4] = {0x01 << 6 | 0x0f,
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0x17 | (1 << 6),
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0x3 | (0x11 << 2),
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0x3d | (1 << 6) };
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CPPUNIT_ASSERT(extractBits(testData2, 4, 0, 6) == 15);
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CPPUNIT_ASSERT(extractBits(testData2, 4, 6, 12) == 3421);
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CPPUNIT_ASSERT(extractBits(testData2, 4, 18, 12) == 3921);
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CPPUNIT_ASSERT(extractBits(testData2, 4, 30, 1) == 1);
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CPPUNIT_ASSERT(extractBits(testData2, 4, 31, 1) == 0);
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}
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// void writeBits(uint8_t* bytes, size_t bitOffset, size_t bitSize, int value)
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void HIDInputTests::testValueInsert()
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{
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uint8_t buf[8];
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memset(buf, 0, 8);
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int a = 3421;
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int b = 3921;
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writeBits(buf, 6, 12, a);
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writeBits(buf, 18, 12, b);
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CPPUNIT_ASSERT(buf[0] == 0x40);
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CPPUNIT_ASSERT(buf[1] == 0x57);
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CPPUNIT_ASSERT(buf[2] == (0x03 | 0x44));
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CPPUNIT_ASSERT(buf[3] == 0x3d);
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}
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void HIDInputTests::testSignExtension()
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{
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CPPUNIT_ASSERT(signExtend(0x80, 8) == -128);
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CPPUNIT_ASSERT(signExtend(0xff, 8) == -1);
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CPPUNIT_ASSERT(signExtend(0x7f, 8) == 127);
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CPPUNIT_ASSERT(signExtend(0x831, 12) == -1999);
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CPPUNIT_ASSERT(signExtend(0x7dd, 12) == 2013);
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}
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