diff options
Diffstat (limited to 'gson/src/test/java')
| -rw-r--r-- | gson/src/test/java/moe/nea/jcp/gson/test/TestBasic.java | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/gson/src/test/java/moe/nea/jcp/gson/test/TestBasic.java b/gson/src/test/java/moe/nea/jcp/gson/test/TestBasic.java index 70c4345..628518c 100644 --- a/gson/src/test/java/moe/nea/jcp/gson/test/TestBasic.java +++ b/gson/src/test/java/moe/nea/jcp/gson/test/TestBasic.java @@ -91,10 +91,17 @@ public class TestBasic { new UnexpectedJsonElement("number", mkPrim("1"))); } + sealed interface Parent permits OtherTestObject, TestObject { + } + + record OtherTestObject( + String test + ) implements Parent {} + record TestObject( String foo, int bar - ) {} + ) implements Parent {} @Test @@ -109,7 +116,7 @@ public class TestBasic { codecs.STRING.fieldOf("foo").withGetter(TestObject::foo), codecs.INTEGER.fieldOf("bar").withGetter(TestObject::bar), TestObject::new - ); + ).codec(); assertSuccess(decode(codec, mkJsonObject("foo", "fooValue", "bar", -10)), new TestObject("fooValue", -10)); assertFail(decode(codec, mkJsonObject("foo", "fooValue")), @@ -124,7 +131,7 @@ public class TestBasic { codecs.STRING.fieldOf("foo").withGetter(TestObject::foo), codecs.INTEGER.fieldOf("foo").withGetter(TestObject::bar), TestObject::new - ); + ).codec(); // TODO: add test for decoding with duplicate keys warning (esp. optional fields) assertFail(codec.encode(new TestObject("", 0), GsonOperations.INSTANCE), new DuplicateJsonKey("foo")); @@ -138,5 +145,30 @@ public class TestBasic { assertFail(decode(codec, mkJsonArray("foo", mkJsonObject("hello", "bar"))), new AtIndex(0, new UnexpectedJsonElement("object", mkPrim("foo")))); } + + @Test + void testDispatched() { + var testObjectCodec = RecordJoiners.join( + codecs.STRING.fieldOf("foo").withGetter(TestObject::foo), + codecs.INTEGER.fieldOf("bar").withGetter(TestObject::bar), + TestObject::new + ); + var otherObjectCodec = RecordJoiners.join( + codecs.STRING.fieldOf("test").withGetter(OtherTestObject::test), + OtherTestObject::new + ); + codecs.STRING.fieldOf("type") + .<Parent>dispatch( + obj -> switch (obj) { + case OtherTestObject ignored -> "other"; + case TestObject ignored -> "normal"; + }, + key -> switch (key) { + case "other" -> otherObjectCodec; + case "normal" -> testObjectCodec; + default -> throw new AssertionError("Unknown thing"); + } + ); + } } |