rust/src/test/run-pass/ternary.rs
2011-06-23 23:27:32 -07:00

52 lines
861 B
Rust

// xfail-stage0
fn test_simple() {
auto x = true ? 10 : 11;
assert (x == 10);
}
fn test_precedence() {
auto x;
x = true || true ? 10 : 11;
assert (x == 10);
x = true == false ? 10 : 11;
assert (x == 11);
x = true ? false ? 10 : 11 : 12;
assert (x == 11);
auto y = true ? 0xF0 : 0x0 | 0x0F;
assert (y == 0xF0);
y = true ? 0xF0 | 0x0F : 0x0;
assert (y == 0xFF);
}
fn test_associativity() {
// Ternary is right-associative
auto x = false ? 10 : false ? 11 : 12;
assert (x == 12);
}
fn test_lval() {
let @mutable int box1 = @mutable 10;
let @mutable int box2 = @mutable 10;
*(true ? box1 : box2) = 100;
assert (*box1 == 100);
}
fn test_as_stmt() {
auto s;
true ? s = 10 : s = 12;
assert (s == 10);
}
fn main() {
test_simple();
test_precedence();
test_associativity();
test_lval();
test_as_stmt();
}