test: add test cases for blas/base/dtrsv

PR-URL: #6708
Reviewed-by: Athan Reines <[email protected]>

Author: ShabiShett07

lib/node_modules/@stdlib/blas/base/dtrsv/lib/ndarray.js

@@ -72,6 +72,12 @@ function dtrsv( uplo, trans, diag, N, A, strideA1, strideA2, offsetA, x, strideX
 	if ( N < 0 ) {
 		throw new RangeError( format( 'invalid argument. Fourth argument must be a nonnegative integer. Value: `%d`.', N ) );
 	}
+	if ( strideA1 === 0 ) {
+		throw new RangeError( format( 'invalid argument. Sixth argument must be non-zero. Value: `%d`.', strideA1 ) );
+	}
+	if ( strideA2 === 0 ) {
+		throw new RangeError( format( 'invalid argument. Seventh argument must be non-zero. Value: `%d`.', strideA2 ) );
+	}
 	if ( strideX === 0 ) {
 		throw new RangeError( format( 'invalid argument. Tenth argument must be non-zero. Value: `%d`.', strideX ) );
 	}

lib/node_modules/@stdlib/blas/base/dtrsv/test/test.ndarray.js

@@ -180,6 +180,52 @@ tape( 'the function throws an error if provided an invalid fourth argument', fun
 	}
 });
 
+tape( 'the function throws an error if provided an invalid sixth argument', function test( t ) {
+	var values;
+	var data;
+	var i;
+
+	data = rutu;
+
+	values = [
+		0
+	];
+
+	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() {
+			dtrsv( data.uplo, data.trans, data.diag, data.N, new Float64Array( data.A ), value, data.strideA2, data.offsetA, new Float64Array( data.x ), data.strideX, data.offsetX );
+		};
+	}
+});
+
+tape( 'the function throws an error if provided an invalid seventh argument', function test( t ) {
+	var values;
+	var data;
+	var i;
+
+	data = rutu;
+
+	values = [
+		0
+	];
+
+	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() {
+			dtrsv( data.uplo, data.trans, data.diag, data.N, new Float64Array( data.A ), data.strideA1, value, data.offsetA, new Float64Array( data.x ), data.strideX, data.offsetX );
+		};
+	}
+});
+
 tape( 'the function throws an error if provided an invalid tenth argument', function test( t ) {
 	var values;
 	var data;