const std = @import("std");
const expect = std.testing.expect;
const expectEqual = std.testing.expectEqual;
const expectEqualSlices = std.testing.expectEqualSlices;
const maxInt = std.math.maxInt;
const minInt = std.math.minInt;
const mem = std.mem;

test "assignment operators" {
    var i: u32 = 0;
    i += 5;
    try expect(i == 5);
    i -= 2;
    try expect(i == 3);
    i *= 20;
    try expect(i == 60);
    i /= 3;
    try expect(i == 20);
    i %= 11;
    try expect(i == 9);
    i <<= 1;
    try expect(i == 18);
    i >>= 2;
    try expect(i == 4);
    i = 6;
    i &= 5;
    try expect(i == 4);
    i ^= 6;
    try expect(i == 2);
    i = 6;
    i |= 3;
    try expect(i == 7);
}

test "three expr in a row" {
    try testThreeExprInARow(false, true);
    comptime try testThreeExprInARow(false, true);
}
fn testThreeExprInARow(f: bool, t: bool) !void {
    try assertFalse(f or f or f);
    try assertFalse(t and t and f);
    try assertFalse(1 | 2 | 4 != 7);
    try assertFalse(3 ^ 6 ^ 8 != 13);
    try assertFalse(7 & 14 & 28 != 4);
    try assertFalse(9 << 1 << 2 != 9 << 3);
    try assertFalse(90 >> 1 >> 2 != 90 >> 3);
    try assertFalse(100 - 1 + 1000 != 1099);
    try assertFalse(5 * 4 / 2 % 3 != 1);
    try assertFalse(@as(i32, @as(i32, 5)) != 5);
    try assertFalse(!!false);
    try assertFalse(@as(i32, 7) != --(@as(i32, 7)));
}
fn assertFalse(b: bool) !void {
    try expect(!b);
}