# test.govlab/context/core/predicates/record.predicate.test.ts

> 16 lines of code and 0 definitions.

Tree: Codebase Testing
Language: typescript
Canonical: https://banes-lab.com/anatomy/testing#file-testing-test-govlab-context-core-predicates-record-predicate-test-ts
Source text: https://banes-lab.com/source/testing/test.govlab/context/core/predicates/record.predicate.test.ts.txt

Listed in [test.govlab/context/core/predicates](https://banes-lab.com/api/source/testing/test.govlab/context/core/predicates.md), after [test.govlab/context/core/predicates/field.predicate.test.ts](https://banes-lab.com/source/testing/test.govlab/context/core/predicates/field.predicate.test.ts.md).

## Contained in

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

## Source

```typescript
import { isObject, isPlainRecord, isStringList } from "@govlab/context/core/predicates/record.predicate.ts";
import assert from "node:assert/strict";
import { test } from "vitest";

test("isObject admits any non-null object, and isPlainRecord refuses a list", () => {
    assert.equal(isObject({}), true);
    assert.equal(isObject([]), true);
    assert.equal(isObject(null), false);
    assert.equal(isPlainRecord({}), true);
    assert.equal(isPlainRecord([]), false);
});

test("isStringList admits only a list of strings", () => {
    assert.equal(isStringList(["a", "b"]), true);
    assert.equal(isStringList([]), true);
    assert.equal(isStringList(["a", 1]), false);
    assert.equal(isStringList("a"), false);
});
```