test: add initial tests

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: passed
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: aayush0325

lib/node_modules/@stdlib/lapack/base/dorm2r/test/fixtures/left_notrans_col_major.json

@@ -0,0 +1,45 @@
+{
+  "order": "column-major",
+  "side": "left",
+  "trans": "no-transpose",
+  "M": 3,
+  "N": 3,
+  "K": 3,
+
+  "A_mat": [
+    [ 1.0, 2.0, 3.0 ],
+    [ 0.0, 4.0, 5.0 ],
+    [ 0.0, 0.0, 6.0 ]
+  ],
+  "LDA": 3,
+  "strideA1": 1,
+  "strideA2": 3,
+  "offsetA": 0,
+  "A": [ 1.0, 2.0, 3.0, 0.0, 4.0, 5.0, 0.0, 0.0, 6.0 ],
+
+  "tau": [ 7.0, 8.0, 9.0 ],
+  "strideTau": 1,
+  "offsetTau": 0,
+
+  "C_mat": [
+    [ 1.0, 4.0, 7.0 ],
+    [ 2.0, 5.0, 8.0 ],
+    [ 3.0, 6.0, 9.0 ]
+  ],
+  "LDC": 3,
+  "strideC1": 1,
+  "strideC2": 3,
+  "offsetC": 0,
+  "C": [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0 ],
+
+  "work": [ 0.0, 0.0, 0.0 ],
+  "strideWork": 1,
+  "offsetWork": 0,
+
+  "C_out_mat": [
+    [ -261638.0, -521066.0, -773933.0 ],
+    [ -298618.0, -594715.0, -883324.0 ],
+    [ -335598.0, -668364.0, -992715.0 ]
+  ],
+  "C_out": [ -261638.0, -298618.0, -335598.0, -521066.0, -594715.0, -668364.0, -773933.0, -883324.0, -992715.0 ]
+}

lib/node_modules/@stdlib/lapack/base/dorm2r/test/fixtures/left_notrans_row_major.json

@@ -0,0 +1,45 @@
+{
+  "order": "row-major",
+  "side": "left",
+  "trans": "no-transpose",
+  "M": 3,
+  "N": 3,
+  "K": 3,
+
+  "A_mat": [
+    [ 1.0, 0.0, 0.0 ],
+    [ 2.0, 4.0, 0.0 ],
+    [ 3.0, 5.0, 6.0 ]
+  ],
+  "LDA": 3,
+  "strideA1": 3,
+  "strideA2": 1,
+  "offsetA": 0,
+  "A": [ 1.0, 0.0, 0.0, 2.0, 4.0, 0.0, 3.0, 5.0, 6.0 ],
+
+  "tau": [ 7.0, 8.0, 9.0 ],
+  "strideTau": 1,
+  "offsetTau": 0,
+
+  "C_mat": [
+    [ 1.0, 2.0, 3.0 ],
+    [ 4.0, 5.0, 6.0 ],
+    [ 7.0, 8.0, 9.0 ]
+  ],
+  "LDC": 3,
+  "strideC1": 3,
+  "strideC2": 1,
+  "offsetC": 0,
+  "C": [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0 ],
+
+  "work": [ 0.0, 0.0, 0.0 ],
+  "strideWork": 1,
+  "offsetWork": 0,
+
+  "C_out_mat": [
+    [ -261638.0, -298618.0, -335598.0 ],
+    [ -521066.0, -594715.0, -668364.0 ],
+    [ -773933.0, -883324.0, -992715.0 ]
+  ],
+  "C_out": [ -261638.0, -298618.0, -335598.0, -521066.0, -594715.0, -668364.0, -773933.0, -883324.0, -992715.0 ]
+}

lib/node_modules/@stdlib/lapack/base/dorm2r/test/test.dorm2r.js

@@ -0,0 +1,279 @@
+/**
+* @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 Float64Array = require( '@stdlib/array/float64' );
+var dorm2r = require( './../lib/dorm2r.js' );
+
+
+// TESTS //
+
+tape( 'main export is a function', function test( t ) {
+	t.ok( true, __filename );
+	t.strictEqual( typeof dorm2r, 'function', 'main export is a function' );
+	t.end();
+});
+
+tape( 'the function has an arity of 12', function test( t ) {
+	t.strictEqual( dorm2r.length, 12, 'returns expected value' );
+	t.end();
+});
+
+tape( 'the function throws an error if provided a first argument which is not a valid order', function test( t ) {
+	var values;
+	var work;
+	var tau;
+	var A;
+	var C;
+	var i;
+
+	A = new Float64Array( [ 1.0, 0.0, 0.0, 2.0, 4.0, 0.0, 3.0, 5.0, 6.0 ] );
+	tau = new Float64Array( [ 7.0, 8.0, 9.0 ] );
+	C = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0 ] );
+	work = new Float64Array( 3 );
+
+	values = [
+		'foo',
+		'bar',
+		'beep',
+		'boop',
+		-5,
+		NaN,
+		true,
+		false,
+		null,
+		void 0,
+		[],
+		{},
+		function noop() {}
+	];
+
+	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() {
+			dorm2r( value, 'left', 'no-transpose', 3, 3, 3, A, 3, tau, C, 3, work );
+		};
+	}
+});
+
+tape( 'the function throws an error if provided a second argument which is not a valid side', function test( t ) {
+	var values;
+	var work;
+	var tau;
+	var A;
+	var C;
+	var i;
+
+	A = new Float64Array( [ 1.0, 0.0, 0.0, 2.0, 4.0, 0.0, 3.0, 5.0, 6.0 ] );
+	tau = new Float64Array( [ 7.0, 8.0, 9.0 ] );
+	C = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0 ] );
+	work = new Float64Array( 3 );
+
+	values = [
+		'foo',
+		'bar',
+		'beep',
+		'boop',
+		-5,
+		NaN,
+		true,
+		false,
+		null,
+		void 0,
+		[],
+		{},
+		function noop() {}
+	];
+
+	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() {
+			dorm2r( 'row-major', value, 'no-transpose', 3, 3, 3, A, 3, tau, C, 3, work );
+		};
+	}
+});
+
+tape( 'the function throws an error if provided a third argument which is not a valid trans', function test( t ) {
+	var values;
+	var work;
+	var tau;
+	var A;
+	var C;
+	var i;
+
+	A = new Float64Array( [ 1.0, 0.0, 0.0, 2.0, 4.0, 0.0, 3.0, 5.0, 6.0 ] );
+	tau = new Float64Array( [ 7.0, 8.0, 9.0 ] );
+	C = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0 ] );
+	work = new Float64Array( 3 );
+
+	values = [
+		'foo',
+		'bar',
+		'beep',
+		'boop',
+		-5,
+		NaN,
+		true,
+		false,
+		null,
+		void 0,
+		[],
+		{},
+		function noop() {}
+	];
+
+	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() {
+			dorm2r( 'row-major', 'left', value, 3, 3, 3, A, 3, tau, C, 3, work );
+		};
+	}
+});
+
+tape( 'the function throws an error if provided an eighth argument which is not a valid `LDA` value (row-major)', function test( t ) {
+	var values;
+	var work;
+	var tau;
+	var A;
+	var C;
+	var i;
+
+	A = new Float64Array( [ 1.0, 0.0, 0.0, 2.0, 4.0, 0.0, 3.0, 5.0, 6.0 ] );
+	tau = new Float64Array( [ 7.0, 8.0, 9.0 ] );
+	C = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0 ] );
+	work = new Float64Array( 3 );
+
+	values = [
+		-1,
+		0,
+		NaN,
+		'5',
+		null,
+		void 0,
+		true,
+		false,
+		[],
+		{},
+		function noop() {}
+	];
+
+	for ( i = 0; i < values.length; i++ ) {
+		t.throws( badValue( values[ i ] ), RangeError, 'throws an error when provided ' + values[ i ] );
+	}
+	t.end();
+
+	function badValue( value ) {
+		return function badValue() {
+			dorm2r( 'row-major', 'left', 'no-transpose', 3, 3, 3, A, value, tau, C, 3, work );
+		};
+	}
+});
+
+tape( 'the function throws an error if provided a twelfth argument which is not a valid `LDC` value (row-major)', function test( t ) {
+	var values;
+	var work;
+	var tau;
+	var A;
+	var C;
+	var i;
+
+	A = new Float64Array( [ 1.0, 0.0, 0.0, 2.0, 4.0, 0.0, 3.0, 5.0, 6.0 ] );
+	tau = new Float64Array( [ 7.0, 8.0, 9.0 ] );
+	C = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0 ] );
+	work = new Float64Array( 3 );
+
+	values = [
+		-1,
+		0,
+		NaN,
+		'5',
+		null,
+		void 0,
+		true,
+		false,
+		[],
+		{},
+		function noop() {}
+	];
+
+	for ( i = 0; i < values.length; i++ ) {
+		t.throws( badValue( values[ i ] ), RangeError, 'throws an error when provided ' + values[ i ] );
+	}
+	t.end();
+
+	function badValue( value ) {
+		return function badValue() {
+			dorm2r( 'row-major', 'left', 'no-transpose', 3, 3, 3, A, 3, tau, C, value, work );
+		};
+	}
+});
+
+tape( 'the function throws an error if provided a twelfth argument which is not a valid `LDC` value (column-major)', function test( t ) {
+	var values;
+	var work;
+	var tau;
+	var A;
+	var C;
+	var i;
+
+	A = new Float64Array( [ 1.0, 0.0, 0.0, 2.0, 4.0, 0.0, 3.0, 5.0, 6.0 ] );
+	tau = new Float64Array( [ 7.0, 8.0, 9.0 ] );
+	C = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0 ] );
+	work = new Float64Array( 3 );
+
+	values = [
+		-1,
+		0,
+		NaN,
+		'5',
+		null,
+		void 0,
+		true,
+		false,
+		[],
+		{},
+		function noop() {}
+	];
+
+	for ( i = 0; i < values.length; i++ ) {
+		t.throws( badValue( values[ i ] ), RangeError, 'throws an error when provided ' + values[ i ] );
+	}
+	t.end();
+
+	function badValue( value ) {
+		return function badValue() {
+			dorm2r( 'column-major', 'left', 'no-transpose', 3, 3, 3, A, 3, tau, C, value, work );
+		};
+	}
+});