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Update compile error tests for alignment in StructField/UnionField

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This commit is contained in:
Tadeo Kondrak 2020-09-26 17:40:31 -06:00
parent a12203d2be
commit e187ac09cb
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GPG Key ID: D41E092CA43F1D8B
1 changed files with 59 additions and 60 deletions
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119
test/compile_errors.zig
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@ -38,6 +38,61 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
"tmp.zig:2:20: error: TypeInfo.Enum.tag_type must be an integer type, not 'bool'",
});
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 for union with opaque field",
\\const TypeInfo = @import("builtin").TypeInfo;
\\const Untagged = @Type(.{
\\ .Union = .{
\\ .layout = .Auto,
\\ .tag_type = null,
\\ .fields = &[_]TypeInfo.UnionField{
\\ .{ .name = "foo", .field_type = @Type(.Opaque), .alignment = 1 },
\\ },
\\ .decls = &[_]TypeInfo.Declaration{},
\\ },
\\});
\\export fn entry() void {
\\ _ = Untagged{};
\\}
, &[_][]const u8{
"tmp.zig:2:25: error: opaque types have unknown size and therefore cannot be directly embedded in unions",
"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 };
@ -54,26 +109,6 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
"tmp.zig:2:37: error: expected type '[:1]const u8', found '*const [2:2]u8'",
});
cases.add("@Type for union with opaque field",
\\const TypeInfo = @import("builtin").TypeInfo;
\\const Untagged = @Type(.{
\\ .Union = .{
\\ .layout = .Auto,
\\ .tag_type = null,
\\ .fields = &[_]TypeInfo.UnionField{
\\ .{ .name = "foo", .field_type = @Type(.Opaque) },
\\ },
\\ .decls = &[_]TypeInfo.Declaration{},
\\ },
\\});
\\export fn entry() void {
\\ _ = Untagged{};
\\}
, &[_][]const u8{
"tmp.zig:2:25: error: opaque types have unknown size and therefore cannot be directly embedded in unions",
"tmp.zig:13:17: note: referenced here",
});
cases.add("@Type for union with zero fields",
\\const TypeInfo = @import("builtin").TypeInfo;
\\const Untagged = @Type(.{
@ -130,9 +165,9 @@ 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{},
\\ },
@ -147,42 +182,6 @@ 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 } });
@ -7592,7 +7591,7 @@ 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(){};
\\}