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