Reproduces #5515 (#5516)

Author: JooHyukKim

src/test/java/tools/jackson/databind/tofix/JsonIncludeForArray5515Test.java

@@ -0,0 +1,201 @@
+package tools.jackson.databind.tofix;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+
+import tools.jackson.databind.ObjectMapper;
+import tools.jackson.databind.testutil.DatabindTestUtil;
+
+import org.junit.jupiter.api.Test;
+import tools.jackson.databind.testutil.failure.JacksonTestFailureExpected;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+// [databind#5515] Need to support JsonInclude for Arrays as well
+public class JsonIncludeForArray5515Test
+        extends DatabindTestUtil
+{
+    /*
+    /**********************************************************
+    /* Filters
+    /**********************************************************
+     */
+
+    static class Foo5515Filter {
+        @Override
+        public boolean equals(Object other) {
+            if (other == null) {
+                return false;
+            }
+            return "foo".equals(other);
+        }
+    }
+
+    /*
+    /**********************************************************
+    /* POJOs — one per array type
+    /**********************************************************
+     */
+
+    static class ObjectArray5155Pojo {
+        @JsonInclude(content = JsonInclude.Include.CUSTOM,
+                contentFilter = Foo5515Filter.class)
+        public Object[] values;
+
+        ObjectArray5155Pojo(Object... v) {
+            values = v;
+        }
+    }
+
+    static class StringArray5515Pojo {
+        @JsonInclude(content = JsonInclude.Include.CUSTOM,
+                contentFilter = Foo5515Filter.class)
+        public String[] values;
+
+        StringArray5515Pojo(String... v) {
+            values = v;
+        }
+    }
+
+    static class BooleanArray5515Pojo {
+        @JsonInclude(content = JsonInclude.Include.NON_DEFAULT)
+        public boolean[] values;
+
+        BooleanArray5515Pojo(boolean... v) {
+            values = v;
+        }
+    }
+
+    static class IntArray5515Pojo {
+        @JsonInclude(content = JsonInclude.Include.NON_DEFAULT)
+        public int[] values;
+
+        IntArray5515Pojo(int... v) {
+            values = v;
+        }
+    }
+
+    static class LongArray5515Pojo {
+        @JsonInclude(content = JsonInclude.Include.NON_DEFAULT)
+        public long[] values;
+
+        LongArray5515Pojo(long... v) {
+            values = v;
+        }
+    }
+
+    static class DoubleArray5515Pojo {
+        @JsonInclude(content = JsonInclude.Include.NON_DEFAULT)
+        public double[] values;
+
+        DoubleArray5515Pojo(double... v) {
+            values = v;
+        }
+    }
+
+    /*
+    /**********************************************************
+    /* Mapper
+    /**********************************************************
+     */
+
+    private final ObjectMapper MAPPER = jsonMapperBuilder()
+            // We need something like this.
+            // .enable(SerializationFeature.APPLY_JSON_INCLUDE_FOR_ARRAYS)
+            .build();
+
+    /*
+    /**********************************************************
+    /* Tests — reference arrays (expect filtering, FAIL today)
+    /**********************************************************
+     */
+
+    @JacksonTestFailureExpected
+    @Test
+    public void testCustomFilterWithObjectArray() throws Exception {
+        ObjectArray5155Pojo input = new ObjectArray5155Pojo(
+                "1", "foo", "2"
+        );
+
+        // EXPECT foo to be filtered out — FAILS today
+        assertEquals(
+                a2q("{'values':['1','2']}"),
+                MAPPER.writeValueAsString(input)
+        );
+    }
+
+    @JacksonTestFailureExpected
+    @Test
+    public void testCustomFilterWithStringArray() throws Exception {
+        StringArray5515Pojo input = new StringArray5515Pojo(
+                "1", "foo", "2"
+        );
+
+        // EXPECT foo to be filtered out — FAILS today
+        assertEquals(
+                a2q("{'values':['1','2']}"),
+                MAPPER.writeValueAsString(input)
+        );
+    }
+
+    /*
+    /**********************************************************
+    /* Tests — primitive arrays (expect NON_DEFAULT filtering, FAIL today)
+    /**********************************************************
+     */
+
+    @JacksonTestFailureExpected
+    @Test
+    public void testNonDefaultWithBooleanArray() throws Exception {
+        BooleanArray5515Pojo input = new BooleanArray5515Pojo(
+                true, false, true
+        );
+
+        // EXPECT default 'false' to be filtered out — FAILS today
+        assertEquals(
+                a2q("{'values':[true,true]}"),
+                MAPPER.writeValueAsString(input)
+        );
+    }
+
+    @JacksonTestFailureExpected
+    @Test
+    public void testNonDefaultWithIntArray() throws Exception {
+        IntArray5515Pojo input = new IntArray5515Pojo(
+                0, 1, 0, 2
+        );
+
+        // EXPECT default '0' to be filtered out — FAILS today
+        assertEquals(
+                a2q("{'values':[1,2]}"),
+                MAPPER.writeValueAsString(input)
+        );
+    }
+
+    @JacksonTestFailureExpected
+    @Test
+    public void testNonDefaultWithLongArray() throws Exception {
+        LongArray5515Pojo input = new LongArray5515Pojo(
+                0L, 1L, 0L, 2L
+        );
+
+        // EXPECT default '0L' to be filtered out — FAILS today
+        assertEquals(
+                a2q("{'values':[1,2]}"),
+                MAPPER.writeValueAsString(input)
+        );
+    }
+
+    @JacksonTestFailureExpected
+    @Test
+    public void testNonDefaultWithDoubleArray() throws Exception {
+        DoubleArray5515Pojo input = new DoubleArray5515Pojo(
+                0.0, 1.5, 0.0
+        );
+
+        // EXPECT default '0.0' to be filtered out — FAILS today
+        assertEquals(
+                a2q("{'values':[1.5]}"),
+                MAPPER.writeValueAsString(input)
+        );
+    }
+}