third_party/WebKit/LayoutTests/fast/forms/number/number-valueasnumber.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script src="../../../resources/js-test.js"></script>
   5 </head>
   6 <body>
   7 <script>
   8 description('Tests for .valueAsNumber with &lt;input type=number>.');
   9
  10 var input = document.createElement('input');
  11 input.type = 'number';
  12
  13 function valueAsNumberFor(stringValue) {
  14     input.value = stringValue;
  15     return input.valueAsNumber;
  16 }
  17
  18 function setValueAsNumberAndGetValue(num) {
  19     input.valueAsNumber = num;
  20     return input.value;
  21 }
  22
  23 shouldBe('valueAsNumberFor("0")', '0');
  24 shouldBe('valueAsNumberFor("0.2")', '0.2');
  25 shouldBe('valueAsNumberFor(".2")', '0.2');
  26 shouldBe('valueAsNumberFor("10")', '10');
  27 shouldBe('valueAsNumberFor("01")', '1');
  28 shouldBe('valueAsNumberFor("-0")', '0'); // "-0" is 0 in HTML5.
  29 shouldBe('valueAsNumberFor("-1.2")', '-1.2');
  30 shouldBe('valueAsNumberFor("1.2E10")', '1.2E10');
  31 shouldBe('valueAsNumberFor("1.2E-10")', '1.2E-10');
  32 shouldBe('valueAsNumberFor("1.2E+10")', '1.2E10');
  33 shouldBe('valueAsNumberFor("123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789")', '1.2345678901234568E+308');
  34 shouldBe('valueAsNumberFor("0.12345678901234567890123456789012345678901234567890")', '0.123456789012345678');
  35
  36 debug('valueAsNumber for invalid string values:');
  37 shouldBeTrue('isNaN(valueAsNumberFor(""))');
  38 shouldBeTrue('isNaN(valueAsNumberFor("abc"))');
  39 shouldBeTrue('isNaN(valueAsNumberFor("0xff"))');
  40 shouldBeTrue('isNaN(valueAsNumberFor("+1"))');
  41 shouldBeTrue('isNaN(valueAsNumberFor(" 10"))');
  42 shouldBeTrue('isNaN(valueAsNumberFor("10 "))');
  43 shouldBeTrue('isNaN(valueAsNumberFor("."))');
  44 shouldBeTrue('isNaN(valueAsNumberFor("1E"))');
  45 shouldBeTrue('isNaN(valueAsNumberFor("NaN"))');
  46 shouldBeTrue('isNaN(valueAsNumberFor("nan"))');
  47 shouldBeTrue('isNaN(valueAsNumberFor("Inf"))');
  48 shouldBeTrue('isNaN(valueAsNumberFor("inf"))');
  49 shouldBeTrue('isNaN(valueAsNumberFor("Infinity"))');
  50 shouldBeTrue('isNaN(valueAsNumberFor("infinity"))');
  51
  52 debug('Too huge exponent to support');
  53 shouldBeTrue('isNaN(valueAsNumberFor("1.2E65535"))');
  54
  55 debug('Tests for the valueAsNumber setter:');
  56 shouldBeEqualToString('setValueAsNumberAndGetValue(0)', '0');
  57 shouldBeEqualToString('setValueAsNumberAndGetValue(10)', '10');
  58 shouldBeEqualToString('setValueAsNumberAndGetValue(01)', '1');
  59 shouldBeEqualToString('setValueAsNumberAndGetValue(-0)', '0');
  60 shouldBeEqualToString('setValueAsNumberAndGetValue(-1.2)', '-1.2');
  61 shouldBeEqualToString('setValueAsNumberAndGetValue(1.2e10)', '12000000000');
  62 shouldBeEqualToString('setValueAsNumberAndGetValue(1.2e-10)', '1.2e-10');
  63 shouldBeEqualToString('setValueAsNumberAndGetValue(1.2345678901234567e+308)', '1.2345678901234567e+308');
  64 shouldBeEqualToString('setValueAsNumberAndGetValue("-1.797693134862315e+308")', '-1.797693134862315e+308');
  65 shouldThrow('setValueAsNumberAndGetValue("-1.797693134862316e+308")', '"TypeError: Failed to set the \'valueAsNumber\' property on \'HTMLInputElement\': The value provided is infinite."');
  66 shouldBe('setValueAsNumberAndGetValue("1.797693134862315e+308")', '"1.797693134862315e+308"');
  67 shouldThrow('setValueAsNumberAndGetValue("1.797693134862316e+308")', '"TypeError: Failed to set the \'valueAsNumber\' property on \'HTMLInputElement\': The value provided is infinite."');
  68
  69 debug('Tests to set invalid values to valueAsNumber:');
  70 shouldBeEqualToString('setValueAsNumberAndGetValue(null)', '0');
  71 shouldBeEqualToString('setValueAsNumberAndGetValue("foo")', '');
  72 shouldBeEqualToString('setValueAsNumberAndGetValue(NaN)', '');
  73 shouldBeEqualToString('setValueAsNumberAndGetValue(Number.NaN)', '');
  74 shouldThrow('setValueAsNumberAndGetValue(Infinity)', '"TypeError: Failed to set the \'valueAsNumber\' property on \'HTMLInputElement\': The value provided is infinite."');
  75 shouldThrow('setValueAsNumberAndGetValue(Number.POSITIVE_INFINITY)', '"TypeError: Failed to set the \'valueAsNumber\' property on \'HTMLInputElement\': The value provided is infinite."');
  76 shouldThrow('setValueAsNumberAndGetValue(Number.NEGATIVE_INFINITY)', '"TypeError: Failed to set the \'valueAsNumber\' property on \'HTMLInputElement\': The value provided is infinite."');
  77 </script>
  78 </body>
  79 </html>