test: use functional APIs for accessing ndarray properties

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---

Author: kgryte

lib/node_modules/@stdlib/blas/ext/base/ndarray/gsorthp/test/test.js

@@ -22,6 +22,11 @@
 
 var tape = require( 'tape' );
 var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
+var getDType = require( '@stdlib/ndarray/dtype' );
+var getShape = require( '@stdlib/ndarray/shape' );
+var getStrides = require( '@stdlib/ndarray/strides' );
+var getOffset = require( '@stdlib/ndarray/offset' );
+var getData = require( '@stdlib/ndarray/data-buffer' );
 var ndarray = require( '@stdlib/ndarray/base/ctor' );
 var gsorthp = require( './../lib' );
 
@@ -45,11 +50,11 @@ tape( 'the function sorts a one-dimensional ndarray (increasing order)', functio
 	});
 
 	actual = gsorthp( [ x, order ] );
-	t.strictEqual( actual.dtype, x.dtype, 'returns expected value' );
-	t.deepEqual( [ 1.0, 2.0, 3.0, 4.0, 5.0 ], x.data, 'returns expected value' );
-	t.deepEqual( actual.shape, x.shape, 'returns expected value' );
-	t.deepEqual( actual.strides, x.strides, 'returns expected value' );
-	t.strictEqual( actual.offset, x.offset, 'returns expected value' );
+	t.strictEqual( getDType( actual ), getDType( x ), 'returns expected value' );
+	t.deepEqual( [ 1.0, 2.0, 3.0, 4.0, 5.0 ], getData( x ), 'returns expected value' );
+	t.deepEqual( getShape( actual ), getShape( x ), 'returns expected value' );
+	t.deepEqual( getStrides( actual ), getStrides( x ), 'returns expected value' );
+	t.strictEqual( getOffset( actual ), getOffset( x ), 'returns expected value' );
 
 	t.end();
 });
@@ -65,11 +70,11 @@ tape( 'the function sorts a one-dimensional ndarray (decreasing order)', functio
 	});
 
 	actual = gsorthp( [ x, order ] );
-	t.strictEqual( actual.dtype, x.dtype, 'returns expected value' );
-	t.deepEqual( [ 5.0, 4.0, 3.0, 2.0, 1.0 ], x.data, 'returns expected value' );
-	t.deepEqual( actual.shape, x.shape, 'returns expected value' );
-	t.deepEqual( actual.strides, x.strides, 'returns expected value' );
-	t.strictEqual( actual.offset, x.offset, 'returns expected value' );
+	t.strictEqual( getDType( actual ), getDType( x ), 'returns expected value' );
+	t.deepEqual( [ 5.0, 4.0, 3.0, 2.0, 1.0 ], getData( x ), 'returns expected value' );
+	t.deepEqual( getShape( actual ), getShape( x ), 'returns expected value' );
+	t.deepEqual( getStrides( actual ), getStrides( x ), 'returns expected value' );
+	t.strictEqual( getOffset( actual ), getOffset( x ), 'returns expected value' );
 
 	t.end();
 });