PASS setValueAsNumberAndGetValue(-23, -59, -59, 0) is "00:00:01"
Tests to set invalid values to valueAsNumber:
PASS input.value = ""; input.valueAsNumber = null; input.value is "00:00"
-PASS input.valueAsNumber = "foo" threw exception NotSupportedError: Failed to set the 'valueAsNumber' property on 'HTMLInputElement': The value provided is not a number..
-PASS input.valueAsNumber = NaN threw exception NotSupportedError: Failed to set the 'valueAsNumber' property on 'HTMLInputElement': The value provided is not a number..
-PASS input.valueAsNumber = Number.NaN threw exception NotSupportedError: Failed to set the 'valueAsNumber' property on 'HTMLInputElement': The value provided is not a number..
-PASS input.valueAsNumber = Infinity threw exception NotSupportedError: Failed to set the 'valueAsNumber' property on 'HTMLInputElement': The value provided is infinite..
-PASS input.valueAsNumber = Number.POSITIVE_INFINITY threw exception NotSupportedError: Failed to set the 'valueAsNumber' property on 'HTMLInputElement': The value provided is infinite..
-PASS input.valueAsNumber = Number.NEGATIVE_INFINITY threw exception NotSupportedError: Failed to set the 'valueAsNumber' property on 'HTMLInputElement': The value provided is infinite..
+PASS input.valueAsNumber = "foo"; input.valueAsNumber is NaN
+PASS input.valueAsNumber = "foo"; input.value is ""
+PASS input.valueAsNumber = NaN; input.valueAsNumber is NaN
+PASS input.valueAsNumber = NaN; input.value is ""
+PASS input.valueAsNumber = Number.NaN; input.valueAsNumber is NaN
+PASS input.valueAsNumber = Number.NaN; input.value is ""
+PASS input.valueAsNumber = Infinity threw exception TypeError: Failed to set the 'valueAsNumber' property on 'HTMLInputElement': The value provided is infinite..
+PASS input.valueAsNumber = Number.POSITIVE_INFINITY threw exception TypeError: Failed to set the 'valueAsNumber' property on 'HTMLInputElement': The value provided is infinite..
+PASS input.valueAsNumber = Number.NEGATIVE_INFINITY threw exception TypeError: Failed to set the 'valueAsNumber' property on 'HTMLInputElement': The value provided is infinite..
Step attribute value and string representation:
PASS input.step = "1"; setValueAsNumberAndGetValue(0, 0, 0, 0) is "00:00:00"
PASS input.step = "0.001"; setValueAsNumberAndGetValue(0, 0, 0, 0) is "00:00:00.000"