authorgravatar for davidgm94.work@protonmail.comDavid Gonzalez Martin <davidgm94.work@protonmail.com> 2022-08-26 12:25:02+02:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2022-08-26 21:43:38-04:00
logda95da438ed5c934a9f42811651f5ffa524e48a8
treed72ab9b106675c8ffddf12a67bf0873c95b2c23c
parent8bcb962ada2ea5cfeeff303e1063937ee13af6ad

Add behavior test coverage for nested packed struct field access

Closes #3091

1 files changed, 118 insertions(+), 0 deletions(-)

test/behavior/packed-struct.zig+118
......@@ -446,3 +446,121 @@ test "optional pointer in packed struct" {
446446 const x = T{ .ptr = &n };
447447 try expect(x.ptr.? == &n);
448448}
449
450test "nested packed struct field access test" {
451 if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
452 if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
453 if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
454 if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
455 if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
456 //
457 const Vec2 = packed struct {
458 x: f32,
459 y: f32,
460 };
461
462 const Vec3 = packed struct {
463 x: f32,
464 y: f32,
465 z: f32,
466 };
467
468 const NestedVec2 = packed struct {
469 nested: Vec2,
470 };
471
472 const NestedVec3 = packed struct {
473 nested: Vec3,
474 };
475
476 const vec2 = Vec2{
477 .x = 1.0,
478 .y = 2.0,
479 };
480
481 try std.testing.expectEqual(vec2.x, 1.0);
482 try std.testing.expectEqual(vec2.y, 2.0);
483
484 var vec2_o: Vec2 = undefined;
485 const vec2_o_ptr: *Vec2 = &vec2_o;
486 vec2_o_ptr.* = vec2;
487
488 try std.testing.expectEqual(vec2_o.x, 1.0);
489 try std.testing.expectEqual(vec2_o.y, 2.0);
490
491 const nested_vec2 = NestedVec2{
492 .nested = Vec2{
493 .x = 1.0,
494 .y = 2.0,
495 },
496 };
497
498 try std.testing.expectEqual(nested_vec2.nested.x, 1.0);
499 try std.testing.expectEqual(nested_vec2.nested.y, 2.0);
500
501 var nested_o: NestedVec2 = undefined;
502 const nested_o_ptr: *NestedVec2 = &nested_o;
503 nested_o_ptr.* = nested_vec2;
504
505 try std.testing.expectEqual(nested_o.nested.x, 1.0);
506 try std.testing.expectEqual(nested_o.nested.y, 2.0);
507
508 const vec3 = Vec3{
509 .x = 1.0,
510 .y = 2.0,
511 .z = 3.0,
512 };
513
514 try std.testing.expectEqual(vec3.x, 1.0);
515 try std.testing.expectEqual(vec3.y, 2.0);
516 try std.testing.expectEqual(vec3.z, 3.0);
517
518 var vec3_o: Vec3 = undefined;
519 const vec3_o_ptr: *Vec3 = &vec3_o;
520 vec3_o_ptr.* = vec3;
521
522 try std.testing.expectEqual(vec3_o.x, 1.0);
523 try std.testing.expectEqual(vec3_o.y, 2.0);
524 try std.testing.expectEqual(vec3_o.z, 3.0);
525
526 const nested_vec3 = NestedVec3{
527 .nested = Vec3{
528 .x = 1.0,
529 .y = 2.0,
530 .z = 3.0,
531 },
532 };
533
534 try std.testing.expectEqual(nested_vec3.nested.x, 1.0);
535 try std.testing.expectEqual(nested_vec3.nested.y, 2.0);
536 try std.testing.expectEqual(nested_vec3.nested.z, 3.0);
537
538 var nested_vec3_o: NestedVec3 = undefined;
539 const nested_vec3_o_ptr: *NestedVec3 = &nested_vec3_o;
540 nested_vec3_o_ptr.* = nested_vec3;
541
542 try std.testing.expectEqual(nested_vec3_o.nested.x, 1.0);
543 try std.testing.expectEqual(nested_vec3_o.nested.y, 2.0);
544 try std.testing.expectEqual(nested_vec3_o.nested.z, 3.0);
545
546 const hld = packed struct {
547 c: u64,
548 d: u32,
549 };
550
551 const mld = packed struct {
552 h: u64,
553 i: u64,
554 };
555
556 const a = packed struct {
557 b: hld,
558 g: mld,
559 };
560
561 var arg = a{ .b = hld{ .c = 1, .d = 2 }, .g = mld{ .h = 6, .i = 8 } };
562 try std.testing.expect(arg.b.c == 1);
563 try std.testing.expect(arg.b.d == 2);
564 try std.testing.expect(arg.g.h == 6);
565 try std.testing.expect(arg.g.i == 8);
566}