zig/test/cases/widening.zig
2018-06-27 13:15:55 -04:00

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Zig

const std = @import("std");
const assert = std.debug.assert;
const mem = std.mem;
test "integer widening" {
var a: u8 = 250;
var b: u16 = a;
var c: u32 = b;
var d: u64 = c;
var e: u64 = d;
var f: u128 = e;
assert(f == a);
}
test "implicit unsigned integer to signed integer" {
var a: u8 = 250;
var b: i16 = a;
assert(b == 250);
}
test "float widening" {
var a: f16 = 12.34;
var b: f32 = a;
var c: f64 = b;
var d: f128 = c;
assert(d == a);
}