test: add tests

Signed-off-by: Athan <[email protected]>

Author: kgryte

lib/node_modules/@stdlib/blas/ext/base/glast-index-of/test/test.main.js

@@ -115,6 +115,18 @@ tape( 'the function returns `-1` if provided `N` parameter is less than or equal
 	t.end();
 });
 
+tape( 'the function returns `-1` if provided `N` parameter is less than or equal to zero (accessors)', function test( t ) {
+	var actual;
+
+	actual = glastIndexOf( 0, 2.0, toAccessorArray( [ 1.0, 2.0, 3.0 ] ), 1 );
+	t.strictEqual( actual, -1, 'returns expected value' );
+
+	actual = glastIndexOf( -1, 2.0, toAccessorArray( [ 1.0, 2.0, 3.0 ] ), 1 );
+	t.strictEqual( actual, -1, 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'the function returns `-1` if provided a search element equal to `NaN`', function test( t ) {
 	var actual;