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Ardupilot
GitHub Repository: Ardupilot/ardupilot
 Path: blob/master/libraries/AP_Common/tests/test_tsindex.cpp
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#include <AP_gtest.h>

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#include <AP_Common/TSIndex.h>

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DECLARE_TYPESAFE_INDEX(testTSIndex, uint8_t);

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TEST(TSIndex, operators)

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{

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    testTSIndex test_value = testTSIndex();

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    EXPECT_EQ(0, test_value.get_int());

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    uint8_t test_eq = 1;

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    test_value = 1;

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    EXPECT_EQ(test_eq, test_value.get_int());

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    EXPECT_EQ(test_eq++, (test_value++).get_int());

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    EXPECT_EQ(++test_eq, (++test_value).get_int());

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    test_eq = 1;

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    EXPECT_EQ(test_eq, (test_value % 2).get_int());

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    test_eq = 10;

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    EXPECT_TRUE(test_value < test_eq);

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    test_eq = 3;

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    EXPECT_TRUE(test_value <= test_eq);

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    test_eq = 2;

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    EXPECT_TRUE(test_value >= test_eq);

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    test_eq = 1;

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    EXPECT_TRUE(test_value > test_eq);

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    test_eq = 2;

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    EXPECT_TRUE(test_value != test_eq);

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    test_eq = 3;

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    EXPECT_TRUE(test_value == test_eq);

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    test_eq = 4;

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    EXPECT_EQ(test_eq, (test_value + 1).get_int());

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    test_eq = 3;

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    EXPECT_EQ(test_eq, uint8_t(test_value));

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}

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TEST(TSIndex, RestrictIDArray)

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{

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    testTSIndex i_0(0);

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    testTSIndex i_1(1);

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    RestrictIDTypeArray<int32_t , 2, testTSIndex> state{};

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    EXPECT_EQ(state[i_0], 0);

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    EXPECT_EQ(state[i_1], 0);

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    state[i_1] = 42;

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    EXPECT_EQ(state[i_1], 42);

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    const int32_t state_1 = state[i_1];

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    EXPECT_EQ(state_1, state[i_1]);

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    EXPECT_NE(state_1, state[i_0]);

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    const RestrictIDTypeArray<int32_t , 2, testTSIndex> state_const{42, 43};

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    EXPECT_TRUE(state_const[i_0] == 42);

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    EXPECT_TRUE(state_const[i_1] == 43);

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}

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AP_GTEST_MAIN()

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