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https://github.com/RobTillaart/Arduino.git
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119 lines
2.4 KiB
C++
119 lines
2.4 KiB
C++
//
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// FILE: unit_test_001.cpp
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// AUTHOR: Rob Tillaart
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// DATE: 2020-12-27
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// PURPOSE: unit tests for the MCP4725
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// https://github.com/RobTillaart/MCP4725
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// https://github.com/Arduino-CI/arduino_ci/blob/master/REFERENCE.md
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//
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// supported assertions
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// https://github.com/Arduino-CI/arduino_ci/blob/master/cpp/unittest/Assertion.h#L33-L42
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// ----------------------------
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// assertEqual(expected, actual)
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// assertNotEqual(expected, actual)
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// assertLess(expected, actual)
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// assertMore(expected, actual)
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// assertLessOrEqual(expected, actual)
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// assertMoreOrEqual(expected, actual)
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// assertTrue(actual)
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// assertFalse(actual)
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// assertNull(actual)
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// assertNotNull(actual)
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#include <ArduinoUnitTests.h>
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#include "Arduino.h"
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#include "MCP4725.h"
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unittest_setup()
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{
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fprintf(stderr, "MCP4725_VERSION: %s\n", (char *) MCP4725_VERSION);
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}
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unittest_teardown()
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{
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}
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// MCP.begin() has blocking calls
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// cannot be tested without stub
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unittest(test_constructor)
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{
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MCP4725 MCP(0x62);
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Wire.begin();
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assertEqual(0x62, MCP.getAddress());
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assertEqual(0, MCP.getValue());
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assertEqual(0, MCP.getLastWriteEEPROM());
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fprintf(stderr, "test start\n");
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assureTrue(MCP.isConnected());
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// assertTrue(MCP.begin());
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}
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unittest(test_invalid_address)
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{
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MCP4725 MCP_F(0x22);
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assertFalse(MCP_F.begin());
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}
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unittest(test_constant)
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{
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fprintf(stderr, "test default values\n");
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assertEqual(MCP4725_MAXVALUE, 4095);
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assertEqual(MCP4725_OK, 0);
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assertEqual(MCP4725_VALUE_ERROR, -999);
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assertEqual(MCP4725_REG_ERROR, -998);
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assertEqual(MCP4725_NOT_CONNECTED, -997);
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fprintf(stderr, "test mode values\n");
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assertEqual(MCP4725_PDMODE_NORMAL, 0);
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assertEqual(MCP4725_PDMODE_1K, 1);
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assertEqual(MCP4725_PDMODE_100K, 2);
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assertEqual(MCP4725_PDMODE_500K, 3);
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fprintf(stderr, "other\n");
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assertEqual(MCP4725_MIDPOINT, 2048);
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}
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unittest(test_get_setValue)
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{
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MCP4725 MCP(0x62);
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assertEqual(MCP4725_VALUE_ERROR, MCP.setValue(65535));
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assertEqual(MCP4725_VALUE_ERROR, MCP.setValue(4096));
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}
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unittest(test_get_setPercentage)
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{
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MCP4725 MCP(0x62);
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assertEqual(MCP4725_VALUE_ERROR, MCP.setPercentage(345));
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assertEqual(MCP4725_VALUE_ERROR, MCP.setPercentage(100.1));
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}
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unittest(test_writeDAC)
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{
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MCP4725 MCP(0x62);
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assertEqual(MCP4725_VALUE_ERROR, MCP.writeDAC(4096, false));
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assertEqual(MCP4725_VALUE_ERROR, MCP.writeDAC(4096, true));
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}
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unittest_main()
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// -- END OF FILE --
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