test: add tests for unsupported index arrays

kgryte · kgryte · commit 64931c5fdb4a · 2024-02-20T15:25:57.000-08:00
diff --git a/lib/node_modules/@stdlib/array/to-fancy/test/test.get.invalid.js b/lib/node_modules/@stdlib/array/to-fancy/test/test.get.invalid.js
@@ -23,6 +23,7 @@
 var tape = require( 'tape' );
 var hasProxySupport = require( '@stdlib/assert/has-proxy-support' );
 var Int32Array = require( '@stdlib/array/int32' );
+var Uint8Array = require( '@stdlib/array/uint8' );
 var array2fancy = require( './../lib' );
 
 
@@ -204,3 +205,81 @@ tape( 'the function returns an array-like object which throws an error when prov
 		};
 	}
 });
+
+tape( 'the function returns an array-like object which throws an error when provided an unsupported array index (generic)', opts, function test( t ) {
+	var values;
+	var x;
+	var y;
+	var i;
+
+	x = [ 1, 2, 3, 4 ];
+	y = array2fancy( x, {
+		'cache': {
+			'get': get
+		}
+	});
+
+	values = [
+		array2fancy.idx( [ 0, 1, 2, 3 ] ),
+		array2fancy.idx( [ true, false, true, false ] ),
+		array2fancy.idx( new Uint8Array( [ 0, 1, 0, 1 ] ) )
+	];
+
+	for ( i = 0; i < values.length; i++ ) {
+		t.throws( badValue( values[ i ] ), Error, 'throws an error when provided ' + values[ i ] );
+	}
+	t.end();
+
+	function badValue( value ) {
+		return function badValue() {
+			var v = y[ value ]; // eslint-disable-line no-unused-vars
+		};
+	}
+
+	function get() {
+		return {
+			'data': [],
+			'type': 'beep',
+			'dtype': 'generic'
+		};
+	}
+});
+
+tape( 'the function returns an array-like object which throws an error when provided an unsupported array index (typed)', opts, function test( t ) {
+	var values;
+	var x;
+	var y;
+	var i;
+
+	x = new Int32Array( [ 1, 2, 3, 4 ] );
+	y = array2fancy( x, {
+		'cache': {
+			'get': get
+		}
+	});
+
+	values = [
+		array2fancy.idx( [ 0, 1, 2, 3 ] ),
+		array2fancy.idx( [ true, false, true, false ] ),
+		array2fancy.idx( new Uint8Array( [ 0, 1, 0, 1 ] ) )
+	];
+
+	for ( i = 0; i < values.length; i++ ) {
+		t.throws( badValue( values[ i ] ), Error, 'throws an error when provided ' + values[ i ] );
+	}
+	t.end();
+
+	function badValue( value ) {
+		return function badValue() {
+			var v = y[ value ]; // eslint-disable-line no-unused-vars
+		};
+	}
+
+	function get() {
+		return {
+			'data': [],
+			'type': 'beep',
+			'dtype': 'generic'
+		};
+	}
+});
