test: ensure full test coverage

Author: kgryte

lib/node_modules/@stdlib/ndarray/map/test/test.js

@@ -300,6 +300,17 @@ tape( 'the function applies a callback to each indexed element in an input ndarr
 	o = strides2offset( sh, st );
 	x = ndarray( dt, ones( numel( sh ), dt ), sh, st, o, ord );
 
+	opts = {};
+	y = map( x, opts, scale );
+
+	expected = new Float64Array([
+		10.0,
+		10.0,
+		10.0,
+		10.0
+	]);
+	t.strictEqual( isSameFloat64Array( y.data, expected ), true, 'returns expected value' );
+
 	opts = {
 		'dtype': 'float32'
 	};
@@ -338,6 +349,17 @@ tape( 'the function applies a callback to each indexed element in an input ndarr
 	o = strides2offset( sh, st );
 	x = ndarray( dt, ones( numel( sh ), dt ), sh, st, o, ord );
 
+	opts = {};
+	y = map( x, opts, scale );
+
+	expected = new Float64Array([
+		10.0,
+		10.0,
+		10.0,
+		10.0
+	]);
+	t.strictEqual( isSameFloat64Array( y.data, expected ), true, 'returns expected value' );
+
 	opts = {
 		'dtype': 'float32'
 	};
@@ -503,3 +525,85 @@ tape( 'the function applies a callback to each indexed element in an input ndarr
 		return z * 10.0;
 	}
 });
+
+tape( 'the function supports providing a callback execution context', function test( t ) {
+	var expected;
+	var ctx;
+	var ord;
+	var sh;
+	var st;
+	var dt;
+	var o;
+	var x;
+	var y;
+
+	dt = 'float64';
+	ord = 'row-major';
+	sh = [ 2, 1, 2 ];
+	st = shape2strides( sh, ord );
+	o = strides2offset( sh, st );
+
+	x = ndarray( dt, ones( numel( sh ), dt ), sh, st, o, ord );
+
+	ctx = {
+		'count': 0
+	};
+	y = map( x, scale, ctx );
+
+	expected = new Float64Array([
+		10.0,
+		10.0,
+		10.0,
+		10.0
+	]);
+	t.strictEqual( isSameFloat64Array( y.data, expected ), true, 'returns expected value' );
+	t.strictEqual( ctx.count, 4, 'returns expected value' );
+
+	t.end();
+
+	function scale( z ) {
+		this.count += 1; // eslint-disable-line no-invalid-this
+		return z * 10.0;
+	}
+});
+
+tape( 'the function supports providing a callback execution context (options)', function test( t ) {
+	var expected;
+	var ctx;
+	var ord;
+	var sh;
+	var st;
+	var dt;
+	var o;
+	var x;
+	var y;
+
+	dt = 'float64';
+	ord = 'row-major';
+	sh = [ 2, 1, 2 ];
+	st = shape2strides( sh, ord );
+	o = strides2offset( sh, st );
+
+	x = ndarray( dt, ones( numel( sh ), dt ), sh, st, o, ord );
+
+	ctx = {
+		'count': 0
+	};
+	y = map( x, {}, scale, ctx );
+
+	expected = new Float64Array([
+		10.0,
+		10.0,
+		10.0,
+		10.0
+	]);
+	t.strictEqual( isSameFloat64Array( y.data, expected ), true, 'returns expected value' );
+	t.strictEqual( ctx.count, 4, 'returns expected value' );
+
+	t.end();
+
+	function scale( z ) {
+		this.count += 1; // eslint-disable-line no-invalid-this
+		return z * 10.0;
+	}
+});