sgn,
toBigInt,
toFloat32,
+ toIntegerOrInfinity,
toIntN,
toNumber,
toNumeric,
it("[[Call]] works with numbers", () => {
assertStrictEquals(toIntN(2, 7), -1);
});
+
+ it("[[Call]] works with non‐integers", () => {
+ assertStrictEquals(toIntN(2, 7.21), -1);
+ assertStrictEquals(toIntN(2, Infinity), 0);
+ });
+});
+
+describe("toIntegerOrInfinity", () => {
+ it("[[Call]] converts nan to zero", () => {
+ assertStrictEquals(toIntegerOrInfinity(NaN), 0);
+ });
+
+ it("[[Call]] converts negative zero to positive zero", () => {
+ assertStrictEquals(toIntegerOrInfinity(-0), 0);
+ });
+
+ it("[[Call]] drops the fractional part of negative numbers", () => {
+ assertStrictEquals(toIntegerOrInfinity(-1.79), -1);
+ });
+
+ it("[[Call]] returns infinity for infinity", () => {
+ assertStrictEquals(toIntegerOrInfinity(Infinity), Infinity);
+ });
+
+ it("[[Call]] returns negative infinity for negative infinity", () => {
+ assertStrictEquals(toIntegerOrInfinity(Infinity), Infinity);
+ });
});
describe("toNumber", () => {
it("[[Call]] works with numbers", () => {
assertStrictEquals(toUintN(2, 7), 3);
});
+
+ it("[[Call]] works with non‐integers", () => {
+ assertStrictEquals(toUintN(2, 7.21), 3);
+ assertStrictEquals(toUintN(2, Infinity), 0);
+ });
});