mirror of
https://github.com/ziglang/zig.git
synced 2024-11-27 15:42:49 +00:00
50 lines
1.4 KiB
Zig
50 lines
1.4 KiB
Zig
const expect = @import("std").testing.expect;
|
|
const builtin = @import("builtin");
|
|
|
|
test "@hasField" {
|
|
const struc = struct {
|
|
a: i32,
|
|
b: []u8,
|
|
|
|
pub const nope = 1;
|
|
};
|
|
try expect(@hasField(struc, "a") == true);
|
|
try expect(@hasField(struc, "b") == true);
|
|
try expect(@hasField(struc, "non-existant") == false);
|
|
try expect(@hasField(struc, "nope") == false);
|
|
|
|
const unin = union {
|
|
a: u64,
|
|
b: []u16,
|
|
|
|
pub const nope = 1;
|
|
};
|
|
try expect(@hasField(unin, "a") == true);
|
|
try expect(@hasField(unin, "b") == true);
|
|
try expect(@hasField(unin, "non-existant") == false);
|
|
try expect(@hasField(unin, "nope") == false);
|
|
|
|
const enm = enum {
|
|
a,
|
|
b,
|
|
|
|
pub const nope = 1;
|
|
};
|
|
try expect(@hasField(enm, "a") == true);
|
|
try expect(@hasField(enm, "b") == true);
|
|
try expect(@hasField(enm, "non-existant") == false);
|
|
try expect(@hasField(enm, "nope") == false);
|
|
|
|
const anon = @TypeOf(.{ .a = 1 });
|
|
try expect(@hasField(anon, "a") == true);
|
|
try expect(@hasField(anon, "b") == false);
|
|
|
|
const tuple = @TypeOf(.{ 1, 2 });
|
|
try expect(@hasField(tuple, "a") == false);
|
|
try expect(@hasField(tuple, "b") == false);
|
|
try expect(@hasField(tuple, "0") == true);
|
|
try expect(@hasField(tuple, "1") == true);
|
|
try expect(@hasField(tuple, "2") == false);
|
|
try expect(@hasField(tuple, "9999999999999999999999999") == false);
|
|
}
|