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Add tests for enums with explicit extern-allowed tag types in extern types

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This commit is contained in:
Tadeo Kondrak 2020-09-26 08:06:14 -06:00
parent 61ce72a38c
commit cae49b1b9d
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2 changed files with 19 additions and 0 deletions
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12
test/compile_errors.zig
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@ -20,6 +20,18 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
"tmp.zig:2:20: error: use of undefined value here causes undefined behavior",
});
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 s: S = undefined;
\\}
, &[_][]const 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(.{

7
test/stage1/behavior/bugs/1467.zig Normal file
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@ -0,0 +1,7 @@
pub const E = enum(u32) { A, B, C };
pub const S = extern struct {
e: E,
};
test "bug 1467" {
const s: S = undefined;
}