Auto-generated commit

Author: stdlib-bot

CHANGELOG.md

@@ -4,7 +4,7 @@
 
 <section class="release" id="unreleased">
 
-## Unreleased (2025-09-08)
+## Unreleased (2025-09-10)
 
 <section class="features">
 
@@ -35,6 +35,7 @@ This release closes the following issue:
 
 <details>
 
+-   [`d8ad76b`](https://github.com/stdlib-js/stdlib/commit/d8ad76b37fa2b01cd66585f6389f415f61246a63) - **test:** add tests for `toJSON` method in `dstructs/named-typed-tuple` [(#8049)](https://github.com/stdlib-js/stdlib/pull/8049) _(by Gaurav Kaushik, Athan Reines)_
 -   [`a540e07`](https://github.com/stdlib-js/stdlib/commit/a540e076b9bfeacd4c7e85add92d095f1ca042bf) - **test:** add tests for `forEach` method in `dstructs/named-typed-tuple` [(#8042)](https://github.com/stdlib-js/stdlib/pull/8042) _(by Gaurav Kaushik, Athan Reines)_
 -   [`f501596`](https://github.com/stdlib-js/stdlib/commit/f501596714b0f5d5d54416aefba7fff57b000760) - **test:** add tests for `toString` method in `dstructs/named-typed-tuple` [(#8041)](https://github.com/stdlib-js/stdlib/pull/8041) _(by Gaurav Kaushik, Athan Reines)_
 -   [`5d9761c`](https://github.com/stdlib-js/stdlib/commit/5d9761cfdea3389f82ca75aa262a9fc3ddf89439) - **feat:** implement `toLocaleString` method in `dstructs/named-typed-tuple` [(#8009)](https://github.com/stdlib-js/stdlib/pull/8009) _(by Gaurav Kaushik, Athan Reines, stdlib-bot)_

test/test.to_json.js

@@ -0,0 +1,106 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var tape = require( 'tape' );
+var hasOwnProp = require( '@stdlib/assert-has-own-property' );
+var isFunction = require( '@stdlib/assert-is-function' );
+var namedtypedtuple = require( './../lib' );
+
+
+// TESTS //
+
+tape( 'main export is a function', function test( t ) {
+	t.ok( true, __filename );
+	t.strictEqual( typeof namedtypedtuple, 'function', 'main export is a function' );
+	t.end();
+});
+
+tape( 'a tuple has a `toJSON` method', function test( t ) {
+	var Point;
+	var p;
+
+	Point = namedtypedtuple( [ 'x', 'y' ], {
+		'name': 'Point'
+	});
+	p = new Point( [ 10, 20 ] );
+
+	t.strictEqual( hasOwnProp( p, 'toJSON' ), true, 'returns expected value' );
+	t.strictEqual( isFunction( p.toJSON ), true, 'returns expected value' );
+	t.end();
+});
+
+tape( 'the method throws an error if invoked with a `this` context which is not a tuple instance', function test( t ) {
+	var values;
+	var Point;
+	var p;
+	var i;
+
+	Point = namedtypedtuple( [ 'x', 'y' ], {
+		'name': 'Point'
+	});
+	p = new Point( [ 10, 20 ] );
+
+	values = [
+		'5',
+		5,
+		NaN,
+		true,
+		false,
+		null,
+		void 0,
+		{},
+		[],
+		function noop() {},
+		{
+			'name': 'Bob'
+		}
+	];
+	for ( i = 0; i < values.length; i++ ) {
+		t.throws( badValue( values[i] ), TypeError, 'throws an error when provided '+values[i] );
+	}
+	t.end();
+
+	function badValue( value ) {
+		return function badValue() {
+			return p.toJSON.call( value );
+		};
+	}
+});
+
+tape( 'the method serializes a tuple as JSON', function test( t ) {
+	var expected;
+	var actual;
+	var Point;
+	var p;
+
+	Point = namedtypedtuple( [ 'x', 'y' ] );
+	p = new Point( [ 10, 20 ] );
+
+	expected = {
+		'x': 10,
+		'y': 20
+	};
+	actual = p.toJSON();
+
+	t.deepEqual( actual, expected, 'returns expected value' );
+	t.end();
+});