Show warning also if arrays are compared by '!=' #KT-20259 Fixed

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

@@ -7,4 +7,12 @@
         <problem_class severity="WARNING" attribute_key="NOT_USED_ELEMENT_ATTRIBUTES">Replace '==' with 'Arrays.equals'</problem_class>
         <description>Replace '==' with 'Arrays.equals'</description>
     </problem>
+    <problem>
+        <file>test.kt</file>
+        <line>7</line>
+        <module>light_idea_test_case</module>
+        <entry_point TYPE="file" FQNAME="temp:///src/test.kt"/>
+        <problem_class severity="WARNING" attribute_key="NOT_USED_ELEMENT_ATTRIBUTES">Replace '!=' with 'Arrays.equals'</problem_class>
+        <description>Replace '!=' with 'Arrays.equals'</description>
+    </problem>
 </problems>

idea/testData/inspections/replaceArrayEqualityOpWithArraysEquals/test.kt

@@ -4,4 +4,5 @@ fun foo() {
     val c: Any? = null
     a == b // YES
     a == c // NO
+    a != b
 }

idea/testData/intentions/replaceArrayEqualityOpWithArraysEquals/arrayEXCLEQ.kt

@@ -0,0 +1,8 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: Replace '!=' with 'Arrays.equals'
+fun foo() {
+    val a = arrayOf("a", "b", "c")
+    val b = arrayOf("a", "b", "c")
+    if (a <caret>!= b) {
+    }
+}

idea/testData/intentions/replaceArrayEqualityOpWithArraysEquals/arrayEXCLEQ.kt.after

@@ -0,0 +1,10 @@
+import java.util.Arrays
+
+// WITH_RUNTIME
+// INTENTION_TEXT: Replace '!=' with 'Arrays.equals'
+fun foo() {
+    val a = arrayOf("a", "b", "c")
+    val b = arrayOf("a", "b", "c")
+    if (!Arrays.equals(a, b)) {
+    }
+}