KT-8283: fix Kotlin.equals method to compare arrays by reference

js/js.translator/testData/_commonFiles/asserts.kt

@@ -18,6 +18,30 @@ fun <T> assertNotEquals(illegal: T, actual: T, message: String? = null) {
     }
 }
 
+fun <T> assertArrayEquals(expected: Array<out T>, actual: Array<out T>, message: String? = null) {
+    if (!arraysEqual(expected, actual)) {
+        val msg = if (message == null) "" else (" message = '" + message + "',")
+        fail("Unexpected array:$msg expected = '$expected', actual = '$actual'")
+    }
+}
+
+private fun <T> arraysEqual(first: Array<out T>, second: Array<out T>): Boolean {
+    if (first === second) return true
+    if (first.size != second.size) return false
+    for (index in first.indices) {
+        if (!equal(first[index], second[index])) return false
+    }
+    return true
+}
+
+private fun equal(first: Any?, second: Any?) =
+    if (first is Array<*> && second is Array<*>) {
+        arraysEqual(first, second)
+    }
+    else {
+        first == second
+    }
+
 fun assertTrue(actual: Boolean, message: String? = null) = assertEquals(true, actual, message)
 
 fun assertFalse(actual: Boolean, message: String? = null) = assertEquals(false, actual, message)