Array in data class inspection: warning on array properties in data classes #KT-10299 Fixed

idea/testData/inspections/arrayInDataClass/inspectionData/expected.xml

@@ -0,0 +1,18 @@
+<problems>
+  <problem>
+    <file>test.kt</file>
+    <line>1</line>
+    <module>light_idea_test_case</module>
+    <entry_point TYPE="file" FQNAME="temp:///src/test.kt" />
+    <problem_class severity="WARNING" attribute_key="WARNING_ATTRIBUTES">Array property in data class</problem_class>
+    <description>Array property in data class: it's recommended to override equals() / hashCode()</description>
+  </problem>
+  <problem>
+    <file>test.kt</file>
+    <line>5</line>
+    <module>light_idea_test_case</module>
+    <entry_point TYPE="file" FQNAME="temp:///src/test.kt" />
+    <problem_class severity="WARNING" attribute_key="WARNING_ATTRIBUTES">Array property in data class</problem_class>
+    <description>Array property in data class: it's recommended to override equals() / hashCode()</description>
+  </problem>
+</problems>

idea/testData/inspections/arrayInDataClass/inspectionData/inspections.test

@@ -0,0 +1 @@
+// INSPECTION_CLASS: org.jetbrains.kotlin.idea.inspections.ArrayInDataClassInspection

idea/testData/inspections/arrayInDataClass/test.kt

@@ -0,0 +1,11 @@
+data class First(val x: Array<String>, val y: Int)
+
+class Second(val x: Array<String>)
+
+data class Third(val x: String, val y: IntArray)
+
+data class Correct(val x: IntArray) {
+    override fun equals(other: Any?) = other is Correct
+
+    override fun hashCode() = 0
+}