zig/test/behavior/switch_prong_implicit_cast.zig
Luuk de Gram 90f08a69aa wasm: Enable passing behavior tests
This also adds some float-related instructions to MIR/Emit
2022-03-09 13:53:20 -07:00

28 lines
801 B
Zig

const expect = @import("std").testing.expect;
const builtin = @import("builtin");
const FormValue = union(enum) {
One: void,
Two: bool,
};
fn foo(id: u64) !FormValue {
return switch (id) {
2 => FormValue{ .Two = true },
1 => FormValue{ .One = {} },
else => return error.Whatever,
};
}
test "switch prong implicit cast" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
const result = switch (foo(2) catch unreachable) {
FormValue.One => false,
FormValue.Two => |x| x,
};
try expect(result);
}