mirror of
https://github.com/ziglang/zig.git
synced 2024-12-15 07:40:13 +00:00
5619ce2406
Conflicts:
* doc/langref.html.in
* lib/std/enums.zig
* lib/std/fmt.zig
* lib/std/hash/auto_hash.zig
* lib/std/math.zig
* lib/std/mem.zig
* lib/std/meta.zig
* test/behavior/alignof.zig
* test/behavior/bitcast.zig
* test/behavior/bugs/1421.zig
* test/behavior/cast.zig
* test/behavior/ptrcast.zig
* test/behavior/type_info.zig
* test/behavior/vector.zig
Master branch added `try` to a bunch of testing function calls, and some
lines also had changed how to refer to the native architecture and other
`@import("builtin")` stuff.
75 lines
2.5 KiB
Zig
75 lines
2.5 KiB
Zig
const std = @import("std");
|
|
const expect = std.testing.expect;
|
|
const expectEqual = std.testing.expectEqual;
|
|
|
|
test "basic invocations" {
|
|
const foo = struct {
|
|
fn foo() i32 {
|
|
return 1234;
|
|
}
|
|
}.foo;
|
|
try expect(@call(.{}, foo, .{}) == 1234);
|
|
comptime {
|
|
// modifiers that allow comptime calls
|
|
try expect(@call(.{}, foo, .{}) == 1234);
|
|
try expect(@call(.{ .modifier = .no_async }, foo, .{}) == 1234);
|
|
try expect(@call(.{ .modifier = .always_tail }, foo, .{}) == 1234);
|
|
try expect(@call(.{ .modifier = .always_inline }, foo, .{}) == 1234);
|
|
}
|
|
{
|
|
// comptime call without comptime keyword
|
|
const result = @call(.{ .modifier = .compile_time }, foo, .{}) == 1234;
|
|
comptime try expect(result);
|
|
}
|
|
{
|
|
// call of non comptime-known function
|
|
var alias_foo = foo;
|
|
try expect(@call(.{ .modifier = .no_async }, alias_foo, .{}) == 1234);
|
|
try expect(@call(.{ .modifier = .never_tail }, alias_foo, .{}) == 1234);
|
|
try expect(@call(.{ .modifier = .never_inline }, alias_foo, .{}) == 1234);
|
|
}
|
|
}
|
|
|
|
test "tuple parameters" {
|
|
const add = struct {
|
|
fn add(a: i32, b: i32) i32 {
|
|
return a + b;
|
|
}
|
|
}.add;
|
|
var a: i32 = 12;
|
|
var b: i32 = 34;
|
|
try expect(@call(.{}, add, .{ a, 34 }) == 46);
|
|
try expect(@call(.{}, add, .{ 12, b }) == 46);
|
|
try expect(@call(.{}, add, .{ a, b }) == 46);
|
|
try expect(@call(.{}, add, .{ 12, 34 }) == 46);
|
|
comptime try expect(@call(.{}, add, .{ 12, 34 }) == 46);
|
|
{
|
|
const separate_args0 = .{ a, b };
|
|
const separate_args1 = .{ a, 34 };
|
|
const separate_args2 = .{ 12, 34 };
|
|
const separate_args3 = .{ 12, b };
|
|
try expect(@call(.{ .modifier = .always_inline }, add, separate_args0) == 46);
|
|
try expect(@call(.{ .modifier = .always_inline }, add, separate_args1) == 46);
|
|
try expect(@call(.{ .modifier = .always_inline }, add, separate_args2) == 46);
|
|
try expect(@call(.{ .modifier = .always_inline }, add, separate_args3) == 46);
|
|
}
|
|
}
|
|
|
|
test "comptime call with bound function as parameter" {
|
|
const S = struct {
|
|
fn ReturnType(func: anytype) type {
|
|
return switch (@typeInfo(@TypeOf(func))) {
|
|
.BoundFn => |info| info,
|
|
else => unreachable,
|
|
}.return_type orelse void;
|
|
}
|
|
|
|
fn call_me_maybe() ?i32 {
|
|
return 123;
|
|
}
|
|
};
|
|
|
|
var inst: S = undefined;
|
|
try expectEqual(?i32, S.ReturnType(inst.call_me_maybe));
|
|
}
|