added test case for KT-2372

js/js.tests/test/org/jetbrains/k2js/test/semantics/EqualsTest.java

@@ -22,6 +22,10 @@ public final class EqualsTest extends AbstractExpressionTest {
         super("equals/");
     }
 
+    public void TODO_testCustomEqualsMethodOnAny() throws Exception {
+        fooBoxTest();
+    }
+
     public void testCustomEqualsMethod() throws Exception {
         fooBoxTest();
     }

js/js.translator/testFiles/expression/equals/cases/customEqualsMethod.kt

@@ -9,13 +9,16 @@ class Foo(val name: String) {
     }
 }
 
+fun callEqualsMethod(v1: Foo?, v2: Foo?): Boolean {
+  return v1 == v2
+}
+
 fun box() : Boolean {
     val a = Foo("abc")
     val b = Foo("abc")
     val c = Foo("def")
 
-    if (a != b) return false
+    if (!callEqualsMethod(a, b)) return false
-    if (a == c) return false
+    if (callEqualsMethod(a, c)) return false
-
     return true
 }

js/js.translator/testFiles/expression/equals/cases/customEqualsMethodOnAny.kt

@@ -0,0 +1,24 @@
+package foo
+
+class Foo(val name: String) {
+    public fun equals(that: Any?): Boolean {
+        if (that !is Foo) {
+            return false
+        }
+        return this.name == that.name
+    }
+}
+
+fun callEqualsMethod(v1: Any?, v2: Any?): Boolean {
+  return v1 == v2
+}
+
+fun box() : Boolean {
+    val a = Foo("abc")
+    val b = Foo("abc")
+    val c = Foo("def")
+
+    if (!callEqualsMethod(a, b)) return false
+    if (callEqualsMethod(a, c)) return false
+    return true
+}