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     27 
     28 
     29 // Flags: --expose-natives_as natives
     30 // Test the SameValue internal method.
     31 
     32 var obj1 = {x: 10, y: 11, z: "test"};
     33 var obj2 = {x: 10, y: 11, z: "test"};
     34 
     35 assertTrue(natives.SameValue(0, 0));
     36 assertTrue(natives.SameValue(+0, +0));
     37 assertTrue(natives.SameValue(-0, -0));
     38 assertTrue(natives.SameValue(1, 1));
     39 assertTrue(natives.SameValue(2, 2));
     40 assertTrue(natives.SameValue(-1, -1));
     41 assertTrue(natives.SameValue(0.5, 0.5));
     42 assertTrue(natives.SameValue(true, true));
     43 assertTrue(natives.SameValue(false, false));
     44 assertTrue(natives.SameValue(NaN, NaN));
     45 assertTrue(natives.SameValue(null, null));
     46 assertTrue(natives.SameValue("foo", "foo"));
     47 assertTrue(natives.SameValue(obj1, obj1));
     48 // Undefined values.
     49 assertTrue(natives.SameValue());
     50 assertTrue(natives.SameValue(undefined, undefined));
     51 
     52 assertFalse(natives.SameValue(0,1));
     53 assertFalse(natives.SameValue("foo", "bar"));
     54 assertFalse(natives.SameValue(obj1, obj2));
     55 assertFalse(natives.SameValue(true, false));
     56 
     57 assertFalse(natives.SameValue(obj1, true));
     58 assertFalse(natives.SameValue(obj1, "foo"));
     59 assertFalse(natives.SameValue(obj1, 1));
     60 assertFalse(natives.SameValue(obj1, undefined));
     61 assertFalse(natives.SameValue(obj1, NaN));
     62 
     63 assertFalse(natives.SameValue(undefined, true));
     64 assertFalse(natives.SameValue(undefined, "foo"));
     65 assertFalse(natives.SameValue(undefined, 1));
     66 assertFalse(natives.SameValue(undefined, obj1));
     67 assertFalse(natives.SameValue(undefined, NaN));
     68 
     69 assertFalse(natives.SameValue(NaN, true));
     70 assertFalse(natives.SameValue(NaN, "foo"));
     71 assertFalse(natives.SameValue(NaN, 1));
     72 assertFalse(natives.SameValue(NaN, obj1));
     73 assertFalse(natives.SameValue(NaN, undefined));
     74 
     75 assertFalse(natives.SameValue("foo", true));
     76 assertFalse(natives.SameValue("foo", 1));
     77 assertFalse(natives.SameValue("foo", obj1));
     78 assertFalse(natives.SameValue("foo", undefined));
     79 assertFalse(natives.SameValue("foo", NaN));
     80 
     81 assertFalse(natives.SameValue(true, 1));
     82 assertFalse(natives.SameValue(true, obj1));
     83 assertFalse(natives.SameValue(true, undefined));
     84 assertFalse(natives.SameValue(true, NaN));
     85 assertFalse(natives.SameValue(true, "foo"));
     86 
     87 assertFalse(natives.SameValue(1, true));
     88 assertFalse(natives.SameValue(1, obj1));
     89 assertFalse(natives.SameValue(1, undefined));
     90 assertFalse(natives.SameValue(1, NaN));
     91 assertFalse(natives.SameValue(1, "foo"));
     92 
     93 // Special string cases.
     94 assertFalse(natives.SameValue("1", 1));
     95 assertFalse(natives.SameValue("true", true));
     96 assertFalse(natives.SameValue("false", false));
     97 assertFalse(natives.SameValue("undefined", undefined));
     98 assertFalse(natives.SameValue("NaN", NaN));
     99 
    100 // -0 and +0 are should be different
    101 assertFalse(natives.SameValue(+0, -0));
    102 assertFalse(natives.SameValue(-0, +0));
    103