rust/src/test/run-pass/expr-alt.rs

46 lines
1014 B
Rust

// -*- rust -*-
// Tests for using alt as an expression
fn test_basic() {
let bool res = alt (true) { case (true) { true } case (false) { false } };
assert (res);
res = alt (false) { case (true) { false } case (false) { true } };
assert (res);
}
fn test_inferrence() {
auto res = alt (true) { case (true) { true } case (false) { false } };
assert (res);
}
fn test_alt_as_alt_head() {
// Yeah, this is kind of confusing ...
auto res =
alt (alt (false) { case (true) { true } case (false) { false } }) {
case (true) { false }
case (false) { true }
};
assert (res);
}
fn test_alt_as_block_result() {
auto res =
alt (false) {
case (true) { false }
case (false) {
alt (true) { case (true) { true } case (false) { false } }
}
};
assert (res);
}
fn main() {
test_basic();
test_inferrence();
test_alt_as_alt_head();
test_alt_as_block_result();
}