Add tests for union+enum case

README.md

@@ -37,6 +37,6 @@ Output:
 
 ## TODO
 
-* Tests.
+* Support `extends` and `implements`.
 * Generics.
 * Namespaces.

tests/unionsAndEnums.js

@@ -0,0 +1,48 @@
+type Type = {
+    a: 'one' | 'two' | number,
+};
+
+interface Interface {
+    a: 'one' | 'two' | number;
+}
+
+class Class {
+    a: 'one' | 'two' | number;
+}
+
+// ###
+({
+    Type: {
+        type: 'record',
+        name: 'Type',
+        fields: [{
+            name: 'a',
+            type: [
+                'double',
+                {type: 'enum', symbols: ['one', 'two']},
+            ],
+        }],
+    },
+    Interface: {
+        type: 'record',
+        name: 'Interface',
+        fields: [{
+            name: 'a',
+            type: [
+                'double',
+                {type: 'enum', symbols: ['one', 'two']},
+            ],
+        }],
+    },
+    Class: {
+        type: 'record',
+        name: 'Class',
+        fields: [{
+            name: 'a',
+            type: [
+                'double',
+                {type: 'enum', symbols: ['one', 'two']},
+            ],
+        }],
+    },
+});