| <!DOCTYPE HTML> |
| <html> |
| <head> |
| <title>valueAsNumber stepping</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <p> |
| <h3>input_valueAsNumber_stepping</h3> |
| <!-- This test verifies that valueAsNumber reads and writes number values, |
| that those values step by the correct default step, and that the values |
| represent the correct milliseconds/months. |
| --> |
| </p> |
| |
| <hr> |
| |
| <div id="log"></div> |
| |
| <form method="post" |
| enctype="application/x-www-form-urlencoded" |
| action="" |
| name="input_form"> |
| <p><input type='date' id='input_date'></p> |
| <p><input type='time' id='input_time'></p> |
| <p><input type='week' id='input_week'></p> |
| <p><input type='month' id='input_month'></p> |
| <p><input type='datetime-local' id='input_datetime-local'></p> |
| <p><input type='range' id='input_range'></p> |
| <p><input type='number' id='input_number'></p> |
| </form> |
| |
| <script> |
| function test_stepping(inputType, stringValue, steppedString, baseNumber, stepAmount) { |
| test(function() { |
| // put number in |
| input = document.getElementById("input_" + inputType); |
| input.valueAsNumber = baseNumber |
| |
| // get string out |
| // startsWith is here to allow for optional seconds and milliseconds. |
| // the replace("T", " ") fallback is for https://github.com/web-platform-tests/wpt/issues/20994 |
| var sanitizedStr = input.value; |
| assert_true(sanitizedStr.startsWith(stringValue) || sanitizedStr.startsWith(stringValue.replace("T", " ")), |
| "The input value [" + sanitizedStr + "] must resemble [" + stringValue + "]"); |
| |
| // get number out |
| var sanitized = input.valueAsNumber; |
| assert_equals(sanitized, baseNumber, "The input valueAsNumber must equal the original number.") |
| |
| // step up, get new date out |
| input.stepUp() |
| var steppedNumber = input.valueAsNumber; |
| assert_equals(steppedNumber, baseNumber + stepAmount, "Stepping must be by the correct amount") |
| |
| // get new string out |
| var steppedStrOut = input.value; |
| assert_true(steppedStrOut.startsWith(steppedString) || steppedStrOut.startsWith(steppedString.replace("T", " ")), |
| "The changed input value [" + steppedStrOut + "] must resemble [" + steppedString + "]"); |
| |
| // step back down, get first date out again |
| input.stepDown() |
| var backDown = input.valueAsNumber; |
| assert_equals(backDown, baseNumber, "Stepping back down must return the number to its original value"); |
| |
| }, inputType + " should step correctly"); |
| } |
| |
| var millis_per_day = 24 * 60 * 60 * 1000; |
| |
| // jan 1 midnight, step 1 day to jan 2 |
| test_stepping("date", "1970-01-01", "1970-01-02", 0, millis_per_day); |
| |
| // jan 1 midnight, step 1 minute to 00:01:00 |
| test_stepping("time", "00:00", "00:01", 0, 60 * 1000); |
| |
| // jan 1 midnight, step 1 month (not counting by milliseconds) to feb 1 |
| test_stepping("month", "1970-01", "1970-02", 0, 1); |
| |
| // monday jan 5 1970 midnight, step 7 days to jan 12 |
| // (this has to start on a monday for stepping up and down to return) |
| test_stepping("week", "1970-W02", "1970-W03", 4 * millis_per_day, 7 * millis_per_day); |
| |
| // jan 1 midnight, step 1 minute to 00:01:00 |
| test_stepping("datetime-local", "1970-01-01T00:00", "1970-01-01T00:01", 0, 60 * 1000); |
| |
| // numbers, for which the default step is 1 |
| test_stepping("range", "22", "23", 22, 1); |
| test_stepping("number", "24", "25", 24, 1); |
| </script> |
| |
| </body> |
| </html> |
