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stage2: add more vector overflow tests

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William Sengir 2022-03-28 10:40:55 -07:00 committed by Andrew Kelley
parent 21be3d9166
commit bb3532e775
1 changed files with 36 additions and 8 deletions
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44
test/behavior/vector.zig
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@ -917,10 +917,30 @@ test "@addWithOverflow" {
const S = struct {
fn doTheTest() !void {
var result: @Vector(4, u8) = undefined;
var overflow = @addWithOverflow(@Vector(4, u8), @Vector(4, u8){ 250, 250, 250, 250 }, @Vector(4, u8){ 0, 5, 6, 10 }, &result);
var expected: @Vector(4, bool) = .{ false, false, true, true };
try expect(mem.eql(bool, &@as([4]bool, overflow), &@as([4]bool, expected)));
{
var result: @Vector(4, u8) = undefined;
var overflow = @addWithOverflow(@Vector(4, u8), @Vector(4, u8){ 250, 250, 250, 250 }, @Vector(4, u8){ 0, 5, 6, 10 }, &result);
var expected: @Vector(4, bool) = .{ false, false, true, true };
try expect(mem.eql(bool, &@as([4]bool, overflow), &@as([4]bool, expected)));
}
{
var result: @Vector(4, i8) = undefined;
var overflow = @addWithOverflow(@Vector(4, i8), @Vector(4, i8){ -125, -125, 125, 125 }, @Vector(4, i8){ -3, -4, 2, 3 }, &result);
var expected: @Vector(4, bool) = .{ false, true, false, true };
try expect(mem.eql(bool, &@as([4]bool, overflow), &@as([4]bool, expected)));
}
{
var result: @Vector(4, u1) = undefined;
var overflow = @addWithOverflow(@Vector(4, u1), @Vector(4, u1){ 0, 0, 1, 1 }, @Vector(4, u1){ 0, 1, 0, 1 }, &result);
var expected: @Vector(4, bool) = .{ false, false, false, true };
try expect(mem.eql(bool, &@as([4]bool, overflow), &@as([4]bool, expected)));
}
{
var result: @Vector(4, u0) = undefined;
var overflow = @addWithOverflow(@Vector(4, u0), @Vector(4, u0){ 0, 0, 0, 0 }, @Vector(4, u0){ 0, 0, 0, 0 }, &result);
var expected: @Vector(4, bool) = .{ false, false, false, false };
try expect(mem.eql(bool, &@as([4]bool, overflow), &@as([4]bool, expected)));
}
}
};
try S.doTheTest();
@ -940,10 +960,18 @@ test "@subWithOverflow" {
const S = struct {
fn doTheTest() !void {
var result: @Vector(4, i8) = undefined;
var overflow = @subWithOverflow(@Vector(4, i8), @Vector(4, i8){ -120, -120, 120, 120 }, @Vector(4, i8){ 8, 9, -7, -8 }, &result);
var expected: @Vector(4, bool) = .{ false, true, false, true };
try expect(mem.eql(bool, &@as([4]bool, overflow), &@as([4]bool, expected)));
{
var result: @Vector(2, u8) = undefined;
var overflow = @subWithOverflow(@Vector(2, u8), @Vector(2, u8){ 5, 5 }, @Vector(2, u8){ 5, 6 }, &result);
var expected: @Vector(2, bool) = .{ false, true };
try expect(mem.eql(bool, &@as([2]bool, overflow), &@as([2]bool, expected)));
}
{
var result: @Vector(4, i8) = undefined;
var overflow = @subWithOverflow(@Vector(4, i8), @Vector(4, i8){ -120, -120, 120, 120 }, @Vector(4, i8){ 8, 9, -7, -8 }, &result);
var expected: @Vector(4, bool) = .{ false, true, false, true };
try expect(mem.eql(bool, &@as([4]bool, overflow), &@as([4]bool, expected)));
}
}
};
try S.doTheTest();