53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
#include <stdint.h>
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#include <limits.h>
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#include "gps_conversion.h"
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#include "unittest_macros.h"
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#include "gtest/gtest.h"
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// See http://en.wikipedia.org/wiki/Geographic_coordinate_conversion
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TEST(GpsConversionTest, GPSCoordToDegrees_BadString)
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{
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// expect
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uint32_t result = GPS_coord_to_degrees("diediedie");
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EXPECT_EQ(result, 0);
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}
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typedef struct gpsConversionExpectation_s {
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char *coord;
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uint32_t degrees;
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} gpsConversionExpectation_t;
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TEST(GpsConversionTest, GPSCoordToDegrees_NMEA_Values)
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{
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gpsConversionExpectation_t gpsConversionExpectations[] = {
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{"0.0", 0},
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{"000.0", 0},
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{"00000.0000", 0},
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{"0.0001", 16}, // smallest value
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{"25599.9999", 2566666650UL}, // largest value
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{"25599.99999", 2566666650UL}, // too many fractional digits
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{"25699.9999", 16666650UL}, // overflowed without detection
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{"5128.3727", 514728783UL},
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{"5321.6802", 533613366UL},
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{"00630.3372", 65056200UL},
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};
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// expect
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uint8_t testIterationCount = sizeof(gpsConversionExpectations) / sizeof(gpsConversionExpectation_t);
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// expect
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for (uint8_t index = 0; index < testIterationCount; index ++) {
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gpsConversionExpectation_t *expectation = &gpsConversionExpectations[index];
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printf("iteration: %d\n", index);
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uint32_t result = GPS_coord_to_degrees(expectation->coord);
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EXPECT_EQ(result, expectation->degrees);
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}
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}
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