test: update tests

Signed-off-by: Athan <kgryte@gmail.com>

Author: kgryte

lib/node_modules/@stdlib/stats/strided/nancount/test/test.main.js

@@ -154,6 +154,18 @@ tape( 'if provided a `stride` parameter equal to `0`, the function returns `N` i
 	t.end();
 });
 
+tape( 'if provided a `stride` parameter equal to `0`, the function returns `N` if first element is valid (accessors)', function test( t ) {
+	var x;
+	var v;
+
+	x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
+
+	v = nancount( x.length, toAccessorArray( x ), 0 );
+	t.strictEqual( v, x.length, 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'if provided a `stride` parameter equal to `0`, the function returns `0` if first element is NaN', function test( t ) {
 	var x;
 	var v;
@@ -166,6 +178,18 @@ tape( 'if provided a `stride` parameter equal to `0`, the function returns `0` i
 	t.end();
 });
 
+tape( 'if provided a `stride` parameter equal to `0`, the function returns `0` if first element is NaN (accessors)', function test( t ) {
+	var x;
+	var v;
+
+	x = [ NaN, -2.0, -4.0, 5.0, 3.0 ];
+
+	v = nancount( x.length, toAccessorArray( x ), 0 );
+	t.strictEqual( v, 0, 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'the function supports view offsets', function test( t ) {
 	var x0;
 	var x1;