Github user wuchong commented on a diff in the pull request:
https://github.com/apache/flink/pull/3027#discussion_r93159119
--- Diff:
flink-core/src/test/java/org/apache/flink/api/java/typeutils/TypeExtractorTest.java
---
@@ -345,8 +346,22 @@ public CustomType cross(CustomType first, Integer
second) throws Exception {
Assert.assertFalse(TypeExtractor.getForClass(PojoWithNonPublicDefaultCtor.class)
instanceof PojoTypeInfo);
}
-
+ @Test
+ public void testRow() {
+ Row row = new Row(2);
+ row.setField(0, "string");
+ row.setField(1, 15);
+ TypeInformation<Row> rowInfo = TypeExtractor.getForObject(row);
+ Assert.assertEquals(rowInfo.getClass(), RowTypeInfo.class);
+ Assert.assertEquals(2, rowInfo.getArity());
--- End diff --
Can we also test the nested type info? such as:
```java
assertEquals(
new RowTypeInfo(
BasicTypeInfo.STRING_TYPE_INFO,
BasicTypeInfo.INT_TYPE_INFO),
rowInfo);
```
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