diff options
Diffstat (limited to 'test/compile_errors.zig')
| -rw-r--r-- | test/compile_errors.zig | 229 |
1 files changed, 182 insertions, 47 deletions
diff --git a/test/compile_errors.zig b/test/compile_errors.zig index 7a33de4f19..816d569b4d 100644 --- a/test/compile_errors.zig +++ b/test/compile_errors.zig @@ -2,20 +2,175 @@ const tests = @import("tests.zig"); const std = @import("std"); pub fn addCases(cases: *tests.CompileErrorContext) void { - cases.add("slice sentinel mismatch", + cases.add("@Type for exhaustive enum with undefined tag type", + \\const TypeInfo = @import("builtin").TypeInfo; + \\const Tag = @Type(.{ + \\ .Enum = .{ + \\ .layout = .Auto, + \\ .tag_type = undefined, + \\ .fields = &[_]TypeInfo.EnumField{}, + \\ .decls = &[_]TypeInfo.Declaration{}, + \\ .is_exhaustive = false, + \\ }, + \\}); \\export fn entry() void { - \\ const x = @import("std").meta.Vector(3, f32){ 25, 75, 5, 0 }; + \\ _ = @intToEnum(Tag, 0); \\} , &[_][]const u8{ - "tmp.zig:2:62: error: index 3 outside vector of size 3", + "tmp.zig:2:20: error: use of undefined value here causes undefined behavior", }); - cases.add("slice sentinel mismatch", + cases.add("extern struct with non-extern-compatible integer tag type", + \\pub const E = enum(u31) { A, B, C }; + \\pub const S = extern struct { + \\ e: E, + \\}; \\export fn entry() void { - \\ const y: [:1]const u8 = &[_:2]u8{ 1, 2 }; + \\ const s: S = undefined; \\} , &[_][]const u8{ - "tmp.zig:2:37: error: expected type '[:1]const u8', found '*const [2:2]u8'", + "tmp.zig:3:5: error: extern structs cannot contain fields of type 'E'", + }); + + cases.add("@Type for exhaustive enum with non-integer tag type", + \\const TypeInfo = @import("builtin").TypeInfo; + \\const Tag = @Type(.{ + \\ .Enum = .{ + \\ .layout = .Auto, + \\ .tag_type = bool, + \\ .fields = &[_]TypeInfo.EnumField{}, + \\ .decls = &[_]TypeInfo.Declaration{}, + \\ .is_exhaustive = false, + \\ }, + \\}); + \\export fn entry() void { + \\ _ = @intToEnum(Tag, 0); + \\} + , &[_][]const u8{ + "tmp.zig:2:20: error: TypeInfo.Enum.tag_type must be an integer type, not 'bool'", + }); + + cases.add("extern struct with extern-compatible but inferred integer tag type", + \\pub const E = enum { + \\@"0",@"1",@"2",@"3",@"4",@"5",@"6",@"7",@"8",@"9",@"10",@"11",@"12", + \\@"13",@"14",@"15",@"16",@"17",@"18",@"19",@"20",@"21",@"22",@"23", + \\@"24",@"25",@"26",@"27",@"28",@"29",@"30",@"31",@"32",@"33",@"34", + \\@"35",@"36",@"37",@"38",@"39",@"40",@"41",@"42",@"43",@"44",@"45", + \\@"46",@"47",@"48",@"49",@"50",@"51",@"52",@"53",@"54",@"55",@"56", + \\@"57",@"58",@"59",@"60",@"61",@"62",@"63",@"64",@"65",@"66",@"67", + \\@"68",@"69",@"70",@"71",@"72",@"73",@"74",@"75",@"76",@"77",@"78", + \\@"79",@"80",@"81",@"82",@"83",@"84",@"85",@"86",@"87",@"88",@"89", + \\@"90",@"91",@"92",@"93",@"94",@"95",@"96",@"97",@"98",@"99",@"100", + \\@"101",@"102",@"103",@"104",@"105",@"106",@"107",@"108",@"109", + \\@"110",@"111",@"112",@"113",@"114",@"115",@"116",@"117",@"118", + \\@"119",@"120",@"121",@"122",@"123",@"124",@"125",@"126",@"127", + \\@"128",@"129",@"130",@"131",@"132",@"133",@"134",@"135",@"136", + \\@"137",@"138",@"139",@"140",@"141",@"142",@"143",@"144",@"145", + \\@"146",@"147",@"148",@"149",@"150",@"151",@"152",@"153",@"154", + \\@"155",@"156",@"157",@"158",@"159",@"160",@"161",@"162",@"163", + \\@"164",@"165",@"166",@"167",@"168",@"169",@"170",@"171",@"172", + \\@"173",@"174",@"175",@"176",@"177",@"178",@"179",@"180",@"181", + \\@"182",@"183",@"184",@"185",@"186",@"187",@"188",@"189",@"190", + \\@"191",@"192",@"193",@"194",@"195",@"196",@"197",@"198",@"199", + \\@"200",@"201",@"202",@"203",@"204",@"205",@"206",@"207",@"208", + \\@"209",@"210",@"211",@"212",@"213",@"214",@"215",@"216",@"217", + \\@"218",@"219",@"220",@"221",@"222",@"223",@"224",@"225",@"226", + \\@"227",@"228",@"229",@"230",@"231",@"232",@"233",@"234",@"235", + \\@"236",@"237",@"238",@"239",@"240",@"241",@"242",@"243",@"244", + \\@"245",@"246",@"247",@"248",@"249",@"250",@"251",@"252",@"253", + \\@"254",@"255" + \\}; + \\pub const S = extern struct { + \\ e: E, + \\}; + \\export fn entry() void { + \\ if (@TagType(E) != u8) @compileError("did not infer u8 tag type"); + \\ const s: S = undefined; + \\} + , &[_][]const u8{ + "tmp.zig:31:5: error: extern structs cannot contain fields of type 'E'", + }); + + cases.add("@Type for tagged union with extra enum field", + \\const TypeInfo = @import("builtin").TypeInfo; + \\const Tag = @Type(.{ + \\ .Enum = .{ + \\ .layout = .Auto, + \\ .tag_type = u2, + \\ .fields = &[_]TypeInfo.EnumField{ + \\ .{ .name = "signed", .value = 0 }, + \\ .{ .name = "unsigned", .value = 1 }, + \\ .{ .name = "arst", .value = 2 }, + \\ }, + \\ .decls = &[_]TypeInfo.Declaration{}, + \\ .is_exhaustive = true, + \\ }, + \\}); + \\const Tagged = @Type(.{ + \\ .Union = .{ + \\ .layout = .Auto, + \\ .tag_type = Tag, + \\ .fields = &[_]TypeInfo.UnionField{ + \\ .{ .name = "signed", .field_type = i32, .alignment = @alignOf(i32) }, + \\ .{ .name = "unsigned", .field_type = u32, .alignment = @alignOf(u32) }, + \\ }, + \\ .decls = &[_]TypeInfo.Declaration{}, + \\ }, + \\}); + \\export fn entry() void { + \\ var tagged = Tagged{ .signed = -1 }; + \\ tagged = .{ .unsigned = 1 }; + \\} + , &[_][]const u8{ + "tmp.zig:15:23: error: enum field missing: 'arst'", + "tmp.zig:27:24: note: referenced here", + }); + cases.add("@Type(.Fn) with is_generic = true", + \\const Foo = @Type(.{ + \\ .Fn = .{ + \\ .calling_convention = .Unspecified, + \\ .alignment = 0, + \\ .is_generic = true, + \\ .is_var_args = false, + \\ .return_type = u0, + \\ .args = &[_]@import("builtin").TypeInfo.FnArg{}, + \\ }, + \\}); + \\comptime { _ = Foo; } + , &[_][]const u8{ + "tmp.zig:1:20: error: TypeInfo.Fn.is_generic must be false for @Type", + }); + + cases.add("@Type(.Fn) with is_var_args = true and non-C callconv", + \\const Foo = @Type(.{ + \\ .Fn = .{ + \\ .calling_convention = .Unspecified, + \\ .alignment = 0, + \\ .is_generic = false, + \\ .is_var_args = true, + \\ .return_type = u0, + \\ .args = &[_]@import("builtin").TypeInfo.FnArg{}, + \\ }, + \\}); + \\comptime { _ = Foo; } + , &[_][]const u8{ + "tmp.zig:1:20: error: varargs functions must have C calling convention", + }); + + cases.add("@Type(.Fn) with return_type = null", + \\const Foo = @Type(.{ + \\ .Fn = .{ + \\ .calling_convention = .Unspecified, + \\ .alignment = 0, + \\ .is_generic = false, + \\ .is_var_args = false, + \\ .return_type = null, + \\ .args = &[_]@import("builtin").TypeInfo.FnArg{}, + \\ }, + \\}); + \\comptime { _ = Foo; } + , &[_][]const u8{ + "tmp.zig:1:20: error: TypeInfo.Fn.return_type must be non-null for @Type", }); cases.add("@Type for union with opaque field", @@ -25,7 +180,7 @@ pub fn addCases(cases: *tests.CompileErrorContext) void { \\ .layout = .Auto, \\ .tag_type = null, \\ .fields = &[_]TypeInfo.UnionField{ - \\ .{ .name = "foo", .field_type = @Type(.Opaque) }, + \\ .{ .name = "foo", .field_type = @Type(.Opaque), .alignment = 1 }, \\ }, \\ .decls = &[_]TypeInfo.Declaration{}, \\ }, @@ -38,6 +193,22 @@ pub fn addCases(cases: *tests.CompileErrorContext) void { "tmp.zig:13:17: note: referenced here", }); + cases.add("slice sentinel mismatch", + \\export fn entry() void { + \\ const x = @import("std").meta.Vector(3, f32){ 25, 75, 5, 0 }; + \\} + , &[_][]const u8{ + "tmp.zig:2:62: error: index 3 outside vector of size 3", + }); + + cases.add("slice sentinel mismatch", + \\export fn entry() void { + \\ const y: [:1]const u8 = &[_:2]u8{ 1, 2 }; + \\} + , &[_][]const u8{ + "tmp.zig:2:37: error: expected type '[:1]const u8', found '*const [2:2]u8'", + }); + cases.add("@Type for union with zero fields", \\const TypeInfo = @import("builtin").TypeInfo; \\const Untagged = @Type(.{ @@ -94,9 +265,9 @@ pub fn addCases(cases: *tests.CompileErrorContext) void { \\ .layout = .Auto, \\ .tag_type = Tag, \\ .fields = &[_]TypeInfo.UnionField{ - \\ .{ .name = "signed", .field_type = i32 }, - \\ .{ .name = "unsigned", .field_type = u32 }, - \\ .{ .name = "arst", .field_type = f32 }, + \\ .{ .name = "signed", .field_type = i32, .alignment = @alignOf(i32) }, + \\ .{ .name = "unsigned", .field_type = u32, .alignment = @alignOf(u32) }, + \\ .{ .name = "arst", .field_type = f32, .alignment = @alignOf(f32) }, \\ }, \\ .decls = &[_]TypeInfo.Declaration{}, \\ }, @@ -111,42 +282,6 @@ pub fn addCases(cases: *tests.CompileErrorContext) void { "tmp.zig:27:24: note: referenced here", }); - cases.add("@Type for tagged union with extra enum field", - \\const TypeInfo = @import("builtin").TypeInfo; - \\const Tag = @Type(.{ - \\ .Enum = .{ - \\ .layout = .Auto, - \\ .tag_type = u2, - \\ .fields = &[_]TypeInfo.EnumField{ - \\ .{ .name = "signed", .value = 0 }, - \\ .{ .name = "unsigned", .value = 1 }, - \\ .{ .name = "arst", .field_type = 2 }, - \\ }, - \\ .decls = &[_]TypeInfo.Declaration{}, - \\ .is_exhaustive = true, - \\ }, - \\}); - \\const Tagged = @Type(.{ - \\ .Union = .{ - \\ .layout = .Auto, - \\ .tag_type = Tag, - \\ .fields = &[_]TypeInfo.UnionField{ - \\ .{ .name = "signed", .field_type = i32 }, - \\ .{ .name = "unsigned", .field_type = u32 }, - \\ }, - \\ .decls = &[_]TypeInfo.Declaration{}, - \\ }, - \\}); - \\export fn entry() void { - \\ var tagged = Tagged{ .signed = -1 }; - \\ tagged = .{ .unsigned = 1 }; - \\} - , &[_][]const u8{ - "tmp.zig:9:32: error: no member named 'field_type' in struct 'std.builtin.EnumField'", - "tmp.zig:18:21: note: referenced here", - "tmp.zig:27:18: note: referenced here", - }); - cases.add("@Type with undefined", \\comptime { \\ _ = @Type(.{ .Array = .{ .len = 0, .child = u8, .sentinel = undefined } }); @@ -7556,7 +7691,7 @@ pub fn addCases(cases: *tests.CompileErrorContext) void { }); cases.add( // fixed bug #2032 - "compile diagnostic string for top level decl type", + "compile diagnostic string for top level decl type", \\export fn entry() void { \\ var foo: u32 = @This(){}; \\} |