zig/lib/compiler_rt/absvti2_test.zig
2022-06-17 16:38:59 -07:00

32 lines
1.6 KiB
Zig

const testing = @import("std").testing;
const __absvti2 = @import("absvti2.zig").__absvti2;
fn test__absvti2(a: i128, expected: i128) !void {
var result = __absvti2(a);
try testing.expectEqual(expected, result);
}
test "absvti2" {
// -2^127 <= i128 <= 2^127-1
// 2^127 = 170141183460469231731687303715884105728
// 2^127+1 = 170141183460469231731687303715884105727
// TODO write panic handler for testing panics
//try test__absvti2(-170141183460469231731687303715884105728, -5); // tested with return -5; and panic
try test__absvti2(-170141183460469231731687303715884105727, 170141183460469231731687303715884105727);
try test__absvti2(-170141183460469231731687303715884105726, 170141183460469231731687303715884105726);
try test__absvti2(-170141183460469231731687303715884105725, 170141183460469231731687303715884105725);
try test__absvti2(-170141183460469231731687303715884105724, 170141183460469231731687303715884105724);
try test__absvti2(-42, 42);
try test__absvti2(-7, 7);
try test__absvti2(-1, 1);
try test__absvti2(0, 0);
try test__absvti2(1, 1);
try test__absvti2(7, 7);
try test__absvti2(42, 42);
try test__absvti2(170141183460469231731687303715884105724, 170141183460469231731687303715884105724);
try test__absvti2(170141183460469231731687303715884105725, 170141183460469231731687303715884105725);
try test__absvti2(170141183460469231731687303715884105726, 170141183460469231731687303715884105726);
try test__absvti2(170141183460469231731687303715884105727, 170141183460469231731687303715884105727);
}