add test coverage for type used as switch case

closes #996
2025-01-05 18:00:25 +00:00 · 2019-02-26 19:41:36 -05:00 · 2019-02-26 19:41:36 -05:00 · 763357c9c3
commit 763357c9c3
parent d5fc826437
1 changed files with 19 additions and 0 deletions
--- a/test/compile_errors.zig
+++ b/test/compile_errors.zig
@ -2,6 +2,25 @@ const tests = @import("tests.zig");
 const builtin = @import("builtin");

 pub fn addCases(cases: *tests.CompileErrorContext) void {
+    cases.addTest(
+        "not an enum type",
+        \\export fn entry() void {
+        \\    var self: Error = undefined;
+        \\    switch (self) {
+        \\        InvalidToken => |x| return x.token,
+        \\        ExpectedVarDeclOrFn => |x| return x.token,
+        \\    }
+        \\}
+        \\const Error = union(enum) {
+        \\    A: InvalidToken,
+        \\    B: ExpectedVarDeclOrFn,
+        \\};
+        \\const InvalidToken = struct {};
+        \\const ExpectedVarDeclOrFn = struct {};
+    ,
+        ".tmp_source.zig:4:9: error: not an enum type",
+    );
+
    cases.addTest(
        "binary OR operator on error sets",
        \\pub const A = error.A;