compiler: allow `@import` of ZON without a result type

In particular, this allows importing `build.zig.zon` at comptime.

1 files changed, 54 insertions, 0 deletions

diff --git a/test/behavior/zon.zig b/test/behavior/zon.zig
index 2003a87600..8a43b4894e 100644
--- a/test/behavior/zon.zig
+++ b/test/behavior/zon.zig
@@ -517,3 +517,57 @@ test "recursive" {
     const expected: Recursive = .{ .foo = &.{ .foo = null } };
     try expectEqualDeep(expected, @as(Recursive, @import("zon/recursive.zon")));
 }
+
+test "anon" {
+    const expected = .{
+        .{
+            .bool_true = true,
+            .bool_false = false,
+            .string = "foo",
+        },
+        .{
+            null,
+            10,
+            36893488147419103232,
+            1.234,
+            'z',
+            .bar,
+            .{},
+        },
+    };
+
+    const actual = @import("zon/anon.zon");
+    try expectEqual(expected.len, actual.len);
+    try expectEqual(expected[1], actual[1]);
+    const expected_struct = expected[0];
+    const actual_struct = actual[0];
+    const expected_fields = @typeInfo(@TypeOf(expected_struct)).@"struct".fields;
+    const actual_fields = @typeInfo(@TypeOf(actual_struct)).@"struct".fields;
+    try expectEqual(expected_fields.len, actual_fields.len);
+    inline for (expected_fields) |field| {
+        try expectEqual(@field(expected_struct, field.name), @field(actual_struct, field.name));
+    }
+}
+
+test "build.zig.zon" {
+    const build = @import("zon/build.zig.zon");
+
+    try expectEqual(4, @typeInfo(@TypeOf(build)).@"struct".fields.len);
+    try expectEqualStrings("temp", build.name);
+    try expectEqualStrings("0.0.0", build.version);
+
+    const dependencies = build.dependencies;
+    try expectEqual(2, @typeInfo(@TypeOf(dependencies)).@"struct".fields.len);
+
+    const example_0 = dependencies.example_0;
+    try expectEqual(2, @typeInfo(@TypeOf(dependencies)).@"struct".fields.len);
+    try expectEqualStrings("https://example.com/foo.tar.gz", example_0.url);
+    try expectEqualStrings("...", example_0.hash);
+
+    const example_1 = dependencies.example_1;
+    try expectEqual(2, @typeInfo(@TypeOf(dependencies)).@"struct".fields.len);
+    try expectEqualStrings("../foo", example_1.path);
+    try expectEqual(false, example_1.lazy);
+
+    try expectEqual(.{ "build.zig", "build.zig.zon", "src" }, build.paths);
+}