JS backend: fix KT-4601 JS: compareTo doesn't work on Numbers

#KT-4601 Fixed

js/js.translator/testData/kotlin_lib.js

@@ -85,6 +85,10 @@
         return "[" + a.join(", ") + "]";
     };
 
+    Kotlin.compareTo = function(a, b) {
+        return a < b ? -1 : a > b ? 1 : 0;
+    };
+
     Kotlin.intUpto = function (from, to) {
         return new Kotlin.NumberRange(from, to);
     };

js/js.translator/testData/number/cases/numberCompareTo.kt

@@ -0,0 +1,60 @@
+package foo
+
+var global: String = ""
+
+fun id(s: String, value: Int): Int {
+    global += s
+    return value
+}
+
+fun box(): String {
+
+    assertEquals(-1, 1.compareTo(2))
+
+    assertEquals(-1, 1 compareTo 2)
+    assertEquals(-1, 1 compareTo (2:Short))
+    assertEquals(-1, 1 compareTo (2:Byte))
+    assertEquals(-1, 1 compareTo 2.0)
+    assertEquals(-1, 1 compareTo 2.0f)
+
+    assertEquals(1, 10 compareTo 2)
+    assertEquals(1, 10 compareTo (2:Short))
+    assertEquals(1, 10 compareTo (2:Byte))
+    assertEquals(1, 10 compareTo 2.0)
+    assertEquals(1, 10 compareTo 2.0f)
+
+    assertEquals(0, 2 compareTo 2)
+    assertEquals(0, 2 compareTo (2:Short))
+    assertEquals(0, 2 compareTo (2:Byte))
+    assertEquals(0, 2 compareTo 2.0)
+    assertEquals(0, 2 compareTo 2.0f)
+
+    assertEquals(-1, (1: Short) compareTo 2)
+    assertEquals(-1, (1: Short) compareTo (2:Short))
+    assertEquals(-1, (1: Short) compareTo (2:Byte))
+    assertEquals(-1, (1: Short) compareTo 2.0)
+    assertEquals(-1, (1: Short) compareTo 2.0f)
+
+    assertEquals(1, (10: Byte) compareTo 2)
+    assertEquals(1, (10: Byte) compareTo (2:Short))
+    assertEquals(1, (10: Byte) compareTo (2:Byte))
+    assertEquals(1, (10: Byte) compareTo 2.0)
+    assertEquals(1, (10: Byte) compareTo 2.0f)
+
+    assertEquals(0, 2.0 compareTo 2)
+    assertEquals(0, 2.0 compareTo (2:Short))
+    assertEquals(0, 2.0 compareTo (2:Byte))
+    assertEquals(0, 2.0 compareTo 2.0)
+    assertEquals(0, 2.0 compareTo 2.0f)
+
+    assertEquals(1, 3.0f compareTo 2)
+    assertEquals(1, 3.0f compareTo (2:Short))
+    assertEquals(1, 3.0f compareTo (2:Byte))
+    assertEquals(1, 3.0f compareTo 2.0)
+    assertEquals(1, 3.0f compareTo 2.0f)
+
+    assertEquals(1, id("A", 10) compareTo id("B", 5))
+    assertEquals("AB", global)
+
+    return "OK"
+}