166 lines
4.2 KiB
Go
166 lines
4.2 KiB
Go
package otto
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import (
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"testing"
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)
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func TestNumber(t *testing.T) {
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tt(t, func() {
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test, _ := test()
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test(`
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var abc = Object.getOwnPropertyDescriptor(Number, "prototype");
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[ [ typeof Number.prototype ],
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[ abc.writable, abc.enumerable, abc.configurable ] ];
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`, "object,false,false,false")
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})
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}
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func TestNumber_toString(t *testing.T) {
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tt(t, func() {
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test, _ := test()
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test(`
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new Number(451).toString();
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`, "451")
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test(`
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new Number(451).toString(10);
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`, "451")
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test(`
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new Number(451).toString(8);
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`, "703")
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test(`raise:
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new Number(451).toString(1);
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`, "RangeError: toString() radix must be between 2 and 36")
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test(`raise:
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new Number(451).toString(Infinity);
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`, "RangeError: toString() radix must be between 2 and 36")
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test(`
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new Number(NaN).toString()
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`, "NaN")
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test(`
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new Number(Infinity).toString()
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`, "Infinity")
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test(`
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new Number(Infinity).toString(16)
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`, "Infinity")
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test(`
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[
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Number.prototype.toString(undefined),
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new Number().toString(undefined),
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new Number(0).toString(undefined),
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new Number(-1).toString(undefined),
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new Number(1).toString(undefined),
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new Number(Number.NaN).toString(undefined),
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new Number(Number.POSITIVE_INFINITY).toString(undefined),
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new Number(Number.NEGATIVE_INFINITY).toString(undefined)
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]
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`, "0,0,0,-1,1,NaN,Infinity,-Infinity")
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})
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}
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func TestNumber_toFixed(t *testing.T) {
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tt(t, func() {
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test, _ := test()
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test(`new Number(451).toFixed(2)`, "451.00")
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test(`12345.6789.toFixed()`, "12346")
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test(`12345.6789.toFixed(1)`, "12345.7")
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test(`12345.6789.toFixed(6)`, "12345.678900")
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test(`(1.23e-20).toFixed(2)`, "0.00")
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test(`2.34.toFixed(1)`, "2.3") // FIXME Wtf? "2.3"
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test(`-2.34.toFixed(1)`, -2.3) // FIXME Wtf? -2.3
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test(`(-2.34).toFixed(1)`, "-2.3")
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test(`raise:
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new Number("a").toFixed(Number.POSITIVE_INFINITY);
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`, "RangeError: toFixed() precision must be between 0 and 20")
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test(`
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[
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new Number(1e21).toFixed(),
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new Number(1e21).toFixed(0),
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new Number(1e21).toFixed(1),
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new Number(1e21).toFixed(1.1),
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new Number(1e21).toFixed(0.9),
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new Number(1e21).toFixed("1"),
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new Number(1e21).toFixed("1.1"),
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new Number(1e21).toFixed("0.9"),
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new Number(1e21).toFixed(Number.NaN),
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new Number(1e21).toFixed("some string")
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];
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`, "1e+21,1e+21,1e+21,1e+21,1e+21,1e+21,1e+21,1e+21,1e+21,1e+21")
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test(`raise:
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new Number(1e21).toFixed(Number.POSITIVE_INFINITY);
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`, "RangeError: toFixed() precision must be between 0 and 20")
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})
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}
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func TestNumber_toExponential(t *testing.T) {
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tt(t, func() {
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test, _ := test()
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test(`new Number(451).toExponential(2)`, "4.51e+02")
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test(`77.1234.toExponential()`, "7.71234e+01")
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test(`77.1234.toExponential(4)`, "7.7123e+01")
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test(`77.1234.toExponential(2)`, "7.71e+01")
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test(`77 .toExponential()`, "7.7e+01")
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})
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}
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func TestNumber_toPrecision(t *testing.T) {
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tt(t, func() {
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test, _ := test()
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test(`new Number(451).toPrecision()`, "451")
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test(`new Number(451).toPrecision(1)`, "5e+02")
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test(`5.123456.toPrecision()`, "5.123456")
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test(`5.123456.toPrecision(5)`, "5.1235")
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test(`5.123456.toPrecision(2)`, "5.1")
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test(`5.123456.toPrecision(1)`, "5")
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})
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}
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func TestNumber_toLocaleString(t *testing.T) {
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tt(t, func() {
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test, _ := test()
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test(`
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[
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new Number(451).toLocaleString(),
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new Number(451).toLocaleString(10),
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new Number(451).toLocaleString(8)
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];
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`, "451,451,703")
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})
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}
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func TestValue_number(t *testing.T) {
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tt(t, func() {
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nm := toValue(0.0).number()
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is(nm.kind, numberInteger)
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nm = toValue(3.14159).number()
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is(nm.kind, numberFloat)
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})
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}
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func Test_NaN(t *testing.T) {
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tt(t, func() {
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test, _ := test()
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test(`
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[ NaN === NaN, NaN == NaN ];
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`, "false,false")
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})
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}
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