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158 lines
2.4 KiB
Plaintext
158 lines
2.4 KiB
Plaintext
module signed_unsigned_comparisons @test;
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fn void test_signed()
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{
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int a = 0;
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int b = 1;
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bool ab_gt = a > b;
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bool ab_ge = a >= b;
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bool ab_le = a <= b;
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bool ab_lt = a < b;
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bool ab_ne = a != b;
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bool ab_eq = a == b;
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}
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fn void test_unsigned()
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{
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uint a = 0;
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uint b = 1;
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bool ab_gt = a > b;
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bool ab_ge = a >= b;
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bool ab_le = a <= b;
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bool ab_lt = a < b;
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bool ab_ne = a != b;
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bool ab_eq = a == b;
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}
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fn void test_signedunsigned()
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{
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ichar a = 0 - 1;
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char b = (char)(a);
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assert(!(a > b));
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assert(!(a >= b));
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assert(a < b);
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assert(a <= b);
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assert(a != b);
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assert(!(a == b));
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a = 1;
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b = 1;
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assert(!(a > b));
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assert(a >= b);
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assert(!(a < b));
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assert(a <= b);
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assert(!(a != b));
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assert(a == b);
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a = 1;
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b = 4;
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assert(!(a > b));
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assert(!(a >= b));
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assert(a < b);
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assert(a <= b);
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assert(a != b);
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assert(!(a == b));
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a = 4;
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b = 1;
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assert(a > b);
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assert(a >= b);
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assert(!(a < b));
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assert(!(a <= b));
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assert(a != b);
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assert(!(a == b));
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a = 4;
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b = 129;
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assert(!(a > b));
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assert(!(a >= b));
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assert(a < b);
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assert(a <= b);
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assert(a != b);
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assert(!(a == b));
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a = 0 - 4;
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b = 129;
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assert(!(a > b));
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assert(!(a >= b));
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assert(a < b);
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assert(a <= b);
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assert(a != b);
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assert(!(a == b));
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}
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fn void test_unsignedsigned()
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{
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int b = -1;
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uint a = (uint)(b);
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assert(a > b);
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assert(a >= b);
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assert(!(a < b));
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assert(!(a <= b));
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assert(a != b);
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assert(!(a == b));
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a = 1;
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b = 1;
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assert(!(a > b));
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assert(a >= b);
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assert(!(a < b));
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assert(a <= b);
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assert(!(a != b));
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assert(a == b);
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a = 4;
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b = 1;
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assert(a > b);
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assert(a >= b);
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assert(!(a < b));
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assert(!(a <= b));
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assert(a != b);
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assert(!(a == b));
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a = 1;
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b = 4;
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assert(!(a > b));
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assert(!(a >= b));
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assert(a < b);
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assert(a <= b);
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assert(a != b);
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assert(!(a == b));
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a = 0x8000_0001;
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b = 4;
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assert(a > b);
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assert(a >= b);
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assert(!(a < b));
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assert(!(a <= b));
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assert(a != b);
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assert(!(a == b));
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b = 0 - 4;
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a = 0x8000_0001;
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assert(a > b);
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assert(a >= b);
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assert(!(a < b));
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assert(!(a <= b));
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assert(a != b);
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assert(!(a == b));
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}
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