# test.govlab/quality/core/converters/css.converter.test.ts

> 11 lines of code and 0 definitions.

Tree: Codebase Testing
Language: typescript
Canonical: https://banes-lab.com/anatomy/testing#file-testing-test-govlab-quality-core-converters-css-converter-test-ts
Source text: https://banes-lab.com/source/testing/test.govlab/quality/core/converters/css.converter.test.ts.txt

Listed in [test.govlab/quality/core/converters](https://banes-lab.com/api/source/testing/test.govlab/quality/core/converters.md), after [test.govlab/quality/core/converters/concern.converter.test.ts](https://banes-lab.com/source/testing/test.govlab/quality/core/converters/concern.converter.test.ts.md) and before [test.govlab/quality/core/converters/edit.converter.test.ts](https://banes-lab.com/source/testing/test.govlab/quality/core/converters/edit.converter.test.ts.md).

## Contained in

- [test.govlab/quality/core/converters](https://banes-lab.com/anatomy/testing/folder-testing-test-govlab-quality-core-converters.md)

## Source

```typescript
import { expect, test } from "vitest";
import { numericPx } from "@govlab/quality/core/converters/css.converter.ts";

test("numericPx reads a px value as is and scales rem and em by the base font size", () => {
    expect(numericPx("12px")).toBe(12);
    expect(numericPx("1.5rem")).toBe(24);
    expect(numericPx("-2em")).toBe(-32);
});

test("numericPx answers null for a token with no leading number", () => {
    expect(numericPx("auto")).toBeNull();
    expect(numericPx("-")).toBeNull();
});
```