dawidwys commented on PR #22730:
URL: https://github.com/apache/flink/pull/22730#issuecomment-1613587958
@hanyuzheng7 I think the issue is with bridging classes...
tl;dr; this should do the trick:
```
return Stream.of(
TestSpec.forStrategy(
"infer an array's element type",
SpecificTypeStrategies.ARRAY_ELEMENT)
.inputTypes(DataTypes.ARRAY(DataTypes.INT().notNull()).notNull())
.expectDataType(DataTypes.INT().notNull().bridgedTo(int.class)),
TestSpec.forStrategy(
"infer an array's element type",
SpecificTypeStrategies.ARRAY_ELEMENT)
.inputTypes(DataTypes.ARRAY(DataTypes.INT()))
.expectDataType(DataTypes.INT()),
TestSpec.forStrategy(
"infer an array's element type",
SpecificTypeStrategies.ARRAY_ELEMENT)
.inputTypes(DataTypes.ARRAY(DataTypes.INT().notNull()))
.expectDataType(DataTypes.INT().bridgedTo(int.class)));
```
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