ladybird/Libraries/LibJS/Tests/numeric-literals-basic.js

52 lines
1.3 KiB
JavaScript

// FIXME: Some of the test cases below are duplicated, presumably to test
// uppercase as well which then got lowercased by Prettier at some point.
test("hex literals", () => {
expect(0xff).toBe(255);
expect(0xff).toBe(255);
});
test("octal literals", () => {
expect(0o10).toBe(8);
expect(0o10).toBe(8);
expect(010).toBe(8);
expect(089).toBe(89);
});
test("binary literals", () => {
expect(0b10).toBe(2);
expect(0b10).toBe(2);
});
test("exponential literals", () => {
expect(1e3).toBe(1000);
expect(1e3).toBe(1000);
expect(1e-3).toBe(0.001);
expect(1e1).toBe(10);
expect(0.1e1).toBe(1);
expect(0.1e1).toBe(1);
expect(0.1e1).toBe(1);
expect(0.1e1).toBe(1);
});
test("decimal numbers", () => {
expect(1).toBe(1);
expect(0.1).toBe(0.1);
});
test("accessing properties of decimal numbers", () => {
Number.prototype.foo = "foo";
expect((1).foo).toBe("foo");
expect((1.1).foo).toBe("foo");
expect((0.1).foo).toBe("foo");
});
test("invalid numeric literals", () => {
expect("1e").not.toEval();
expect("0x").not.toEval();
expect("0b").not.toEval();
expect("0o").not.toEval();
expect("'use strict'; 0755").not.toEval();
expect("1in[]").not.toEval();
expect("2instanceof foo").not.toEval();
});