42 lines
772 B
Zig
42 lines
772 B
Zig
// $ zig test while.zig
|
|
// const expect = @import("std").testing.expect;
|
|
const std = @import("std");
|
|
const expect = std.testing.expect;
|
|
|
|
test "while" {
|
|
var i: u8 = 2;
|
|
while (i < 100) {
|
|
i *= 2;
|
|
}
|
|
try expect(i == 128);
|
|
}
|
|
|
|
test "while with continue expression" {
|
|
var sum: u8 = 0;
|
|
var i: u8 = 1;
|
|
while (i <= 10) : (i += 1) {
|
|
sum += i;
|
|
}
|
|
try expect(sum == 55);
|
|
}
|
|
|
|
test "while with continue" {
|
|
var sum: u8 = 0;
|
|
var i: u8 = 0;
|
|
while (i <= 3) : (i += 1) {
|
|
if (i == 2) continue;
|
|
sum += i;
|
|
}
|
|
try expect(sum == 4);
|
|
}
|
|
|
|
test "while with break" {
|
|
var sum: u8 = 0;
|
|
var i: u8 = 0;
|
|
while (i <= 3) : (i += 1) {
|
|
if (i == 2) break;
|
|
sum += i;
|
|
}
|
|
try expect(sum == 1);
|
|
}
|