test/mjsunit/harmony/to-primitive.js

   1 // Copyright 2015 the V8 project authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Flags: --allow-natives-syntax
   6
   7 assertEquals(1, %ToPrimitive(1));
   8 assertEquals(1, %ToPrimitive_Number(1));
   9 assertEquals(1, %ToPrimitive_String(1));
  10 assertEquals(1, %_ToPrimitive(1));
  11 assertEquals(1, %_ToPrimitive_Number(1));
  12 assertEquals(1, %_ToPrimitive_String(1));
  13
  14 assertEquals(.5, %ToPrimitive(.5));
  15 assertEquals(.5, %ToPrimitive_Number(.5));
  16 assertEquals(.5, %ToPrimitive_String(.5));
  17 assertEquals(.5, %_ToPrimitive(.5));
  18 assertEquals(.5, %_ToPrimitive_Number(.5));
  19 assertEquals(.5, %_ToPrimitive_String(.5));
  20
  21 assertEquals(null, %ToPrimitive(null));
  22 assertEquals(null, %ToPrimitive_Number(null));
  23 assertEquals(null, %ToPrimitive_String(null));
  24 assertEquals(null, %_ToPrimitive(null));
  25 assertEquals(null, %_ToPrimitive_Number(null));
  26 assertEquals(null, %_ToPrimitive_String(null));
  27
  28 assertEquals(true, %ToPrimitive(true));
  29 assertEquals(true, %ToPrimitive_Number(true));
  30 assertEquals(true, %ToPrimitive_String(true));
  31 assertEquals(true, %_ToPrimitive(true));
  32 assertEquals(true, %_ToPrimitive_Number(true));
  33 assertEquals(true, %_ToPrimitive_String(true));
  34
  35 assertEquals(false, %ToPrimitive(false));
  36 assertEquals(false, %ToPrimitive_Number(false));
  37 assertEquals(false, %ToPrimitive_String(false));
  38 assertEquals(false, %_ToPrimitive(false));
  39 assertEquals(false, %_ToPrimitive_Number(false));
  40 assertEquals(false, %_ToPrimitive_String(false));
  41
  42 assertEquals(undefined, %ToPrimitive(undefined));
  43 assertEquals(undefined, %ToPrimitive_Number(undefined));
  44 assertEquals(undefined, %ToPrimitive_String(undefined));
  45 assertEquals(undefined, %_ToPrimitive(undefined));
  46 assertEquals(undefined, %_ToPrimitive_Number(undefined));
  47 assertEquals(undefined, %_ToPrimitive_String(undefined));
  48
  49 assertEquals("random text", %ToPrimitive("random text"));
  50 assertEquals("random text", %ToPrimitive_Number("random text"));
  51 assertEquals("random text", %ToPrimitive_String("random text"));
  52 assertEquals("random text", %_ToPrimitive("random text"));
  53 assertEquals("random text", %_ToPrimitive_Number("random text"));
  54 assertEquals("random text", %_ToPrimitive_String("random text"));
  55
  56 assertEquals(Symbol.toPrimitive, %ToPrimitive(Symbol.toPrimitive));
  57 assertEquals(Symbol.toPrimitive, %ToPrimitive_Number(Symbol.toPrimitive));
  58 assertEquals(Symbol.toPrimitive, %ToPrimitive_String(Symbol.toPrimitive));
  59 assertEquals(Symbol.toPrimitive, %_ToPrimitive(Symbol.toPrimitive));
  60 assertEquals(Symbol.toPrimitive, %_ToPrimitive_Number(Symbol.toPrimitive));
  61 assertEquals(Symbol.toPrimitive, %_ToPrimitive_String(Symbol.toPrimitive));
  62
  63 var a = { toString: function() { return "xyz" }};
  64 assertEquals("xyz", %ToPrimitive(a));
  65 assertEquals("xyz", %ToPrimitive_Number(a));
  66 assertEquals("xyz", %ToPrimitive_String(a));
  67 assertEquals("xyz", %_ToPrimitive(a));
  68 assertEquals("xyz", %_ToPrimitive_Number(a));
  69 assertEquals("xyz", %_ToPrimitive_String(a));
  70
  71 var b = { valueOf: function() { return 42 }};
  72 assertEquals(42, %ToPrimitive(b));
  73 assertEquals(42, %ToPrimitive_Number(b));
  74 assertEquals("[object Object]", %ToPrimitive_String(b));
  75 assertEquals(42, %_ToPrimitive(b));
  76 assertEquals(42, %_ToPrimitive_Number(b));
  77 assertEquals("[object Object]", %_ToPrimitive_String(b));
  78
  79 var c = {
  80   toString: function() { return "x"},
  81   valueOf: function() { return 123 }
  82 };
  83 assertEquals(123, %ToPrimitive(c));
  84 assertEquals(123, %ToPrimitive_Number(c));
  85 assertEquals("x", %ToPrimitive_String(c));
  86 assertEquals(123, %_ToPrimitive(c));
  87 assertEquals(123, %_ToPrimitive_Number(c));
  88 assertEquals("x", %_ToPrimitive_String(c));
  89
  90 var d = {
  91   [Symbol.toPrimitive]: function(hint) { return hint }
  92 };
  93 assertEquals("default", %ToPrimitive(d));
  94 assertEquals("number", %ToPrimitive_Number(d));
  95 assertEquals("string", %ToPrimitive_String(d));
  96 assertEquals("default", %_ToPrimitive(d));
  97 assertEquals("number", %_ToPrimitive_Number(d));
  98 assertEquals("string", %_ToPrimitive_String(d));
  99
 100 var e = new Date(0);
 101 assertEquals(e.toString(), %ToPrimitive(e));
 102 assertEquals(0, %ToPrimitive_Number(e));
 103 assertEquals(e.toString(), %ToPrimitive_String(e));
 104 assertEquals(e.toString(), %_ToPrimitive(e));
 105 assertEquals(0, %_ToPrimitive_Number(e));
 106 assertEquals(e.toString(), %_ToPrimitive_String(e));