zig/test/cases/while.zig
2017-01-05 03:57:48 -05:00

77 lines
1.4 KiB
Zig

const assert = @import("std").debug.assert;
fn whileLoop() {
@setFnTest(this);
var i : i32 = 0;
while (i < 4) {
i += 1;
}
assert(i == 4);
assert(whileLoop1() == 1);
}
fn whileLoop1() -> i32 {
return whileLoop2();
}
fn whileLoop2() -> i32 {
while (true) {
return 1;
}
}
fn staticEvalWhile() {
@setFnTest(this);
assert(static_eval_while_number == 1);
}
const static_eval_while_number = staticWhileLoop1();
fn staticWhileLoop1() -> i32 {
return whileLoop2();
}
fn staticWhileLoop2() -> i32 {
while (true) {
return 1;
}
}
fn continueAndBreak() {
@setFnTest(this);
runContinueAndBreakTest();
assert(continue_and_break_counter == 8);
}
var continue_and_break_counter: i32 = 0;
fn runContinueAndBreakTest() {
var i : i32 = 0;
while (true) {
continue_and_break_counter += 2;
i += 1;
if (i < 4) {
continue;
}
break;
}
assert(i == 4);
}
fn returnWithImplicitCastFromWhileLoop() {
@setFnTest(this);
%%returnWithImplicitCastFromWhileLoopTest();
}
fn returnWithImplicitCastFromWhileLoopTest() -> %void {
while (true) {
return;
}
}
fn whileWithContinueExpr() {
@setFnTest(this);
var sum: i32 = 0;
{var i: i32 = 0; while (i < 10; i += 1) {
if (i == 5) continue;
sum += i;
}}
assert(sum == 40);
}