1 files changed, 28 insertions(+), 0 deletions(-)

M src/interop/go-bare/marshal_test.zig

@@ 210,3 210,31 @@ test "marshal map" {
 
     unreachable;
 }
+
+test "marshal union" {
+    const NameAge = union(enum) {
+        name: []const u8,
+        age: isize,
+    };
+
+    var buf: [0x1_000]u8 = undefined;
+    var fbs = io.fixedBufferStream(&buf);
+    const writer = fbs.writer();
+    var e = encoder(writer);
+
+    {
+        const val = NameAge{ .name = "Mary" };
+        try e.encode(val);
+        const reference = &[_]u8{ 0x00, 0x04, 0x4d, 0x61, 0x72, 0x79 };
+        try testing.expectEqualSlices(u8, reference, fbs.getWritten());
+    }
+
+    fbs.reset();
+
+    {
+        const val = NameAge{ .age = 24 };
+        try e.encode(val);
+        const reference = &[_]u8{ 0x01, 0x30 };
+        try testing.expectEqualSlices(u8, reference, fbs.getWritten());
+    }
+}