zig/test/self_hosted.zig

132 lines
2.3 KiB
Zig

#attribute("test")
fn empty_function() {}
/**
* multi line doc comment
*/
/// this is a documentation comment
/// doc comment line 2
#attribute("test")
fn comments() {
comments_f1(/* mid-line comment /* nested */ */ "OK\n");
}
fn comments_f1(s: []u8) {}
#attribute("test")
fn fn_call_of_struct_field() {
if (call_struct_field(Foo {.ptr = a_func,}) != 13) {
unreachable{};
}
}
struct Foo {
ptr: fn() -> i32,
}
fn a_func() -> i32 { 13 }
fn call_struct_field(foo: Foo) -> i32 {
return foo.ptr();
}
#attribute("test")
fn redefinition_of_error_values_allowed() {
if (error.AnError == error.SecondError) unreachable{}
}
error AnError;
error AnError;
error SecondError;
#attribute("test")
fn constant_enum_with_payload() {
var empty = AnEnumWithPayload.Empty;
var full = AnEnumWithPayload.Full(13);
should_be_empty(empty);
should_be_not_empty(full);
}
fn should_be_empty(x: AnEnumWithPayload) {
switch (x) {
AnEnumWithPayload.Empty => {},
else => unreachable{},
}
}
fn should_be_not_empty(x: AnEnumWithPayload) {
switch (x) {
AnEnumWithPayload.Empty => unreachable{},
else => {},
}
}
enum AnEnumWithPayload {
Empty,
Full: i32,
}
#attribute("test")
fn continue_in_for_loop() {
const array = []i32 {1, 2, 3, 4, 5};
var sum : i32 = 0;
for (x, array) {
sum += x;
if (x < 3) {
continue;
}
break;
}
if (sum != 6) unreachable{}
}
#attribute("test")
fn cast_bool_to_int() {
const t = true;
const f = false;
if (i32(t) != i32(1)) unreachable{}
if (i32(f) != i32(0)) unreachable{}
non_const_cast_bool_to_int(t, f);
}
fn non_const_cast_bool_to_int(t: bool, f: bool) {
if (i32(t) != i32(1)) unreachable{}
if (i32(f) != i32(0)) unreachable{}
}
#attribute("test")
fn switch_on_enum() {
const fruit = Fruit.Orange;
switch (fruit) {
Fruit.Apple => unreachable{},
Fruit.Orange => {},
Fruit.Banana => unreachable{},
}
non_const_switch_on_enum(fruit);
}
enum Fruit {
Apple,
Orange,
Banana,
}
fn non_const_switch_on_enum(fruit: Fruit) {
switch (fruit) {
Fruit.Apple => unreachable{},
Fruit.Orange => {},
Fruit.Banana => unreachable{},
}
}