JS: move expressions test to box tests

js/js.translator/testData/box/expression/equals/superEquals.kt

@@ -0,0 +1,51 @@
+package foo
+
+open class A {
+    var log = ""
+
+    var called = false
+
+    override fun equals(other: Any?): Boolean {
+        if (called) fail("recursion detected")
+
+        log += "A.equals;"
+
+        called = true
+        val result = super.equals(other)
+        called = false
+        return result
+    }
+}
+
+class B : A() {
+    override fun equals(other: Any?): Boolean {
+        log += "B.equals;"
+        if (other == null) return false
+        return super.equals(other)
+    }
+}
+
+
+fun box(): String {
+    val a = A()
+    testFalse { a == A() }
+    assertEquals("A.equals;", a.log)
+
+    val b1 = B()
+    testTrue { b1 == b1 }
+    assertEquals("B.equals;A.equals;", b1.log)
+
+    val b2 = B()
+    testFalse { b2 == B() }
+    assertEquals("B.equals;A.equals;", b2.log)
+
+    val b3 = B()
+    testFalse { b3 == null }
+    assertEquals("", b3.log)
+
+    val b4 = B()
+    testFalse { b4.equals(null) }
+    assertEquals("B.equals;", b4.log)
+
+    return "OK"
+}