Update tests

Author: kgryte

lib/node_modules/@stdlib/random/base/f/test/test.js

@@ -34,17 +34,17 @@ tape( 'main export is a function', function test( t ) {
 });
 
 tape( 'attached to the main export is a method to generate pseudorandom number generators', function test( t ) {
-	t.equal( typeof f.factory, 'function', 'has `factory` method' );
+	t.equal( typeof f.factory, 'function', 'has method' );
 	t.end();
 });
 
 tape( 'attached to the main export is the generator name', function test( t ) {
-	t.equal( f.NAME, 'f', 'has `NAME` property' );
+	t.equal( f.NAME, 'f', 'has property' );
 	t.end();
 });
 
 tape( 'attached to the main export is the underlying PRNG', function test( t ) {
-	t.equal( typeof f.PRNG, 'function', 'has `PRNG` property' );
+	t.equal( typeof f.PRNG, 'function', 'has property' );
 	t.end();
 });
 
@@ -53,6 +53,26 @@ tape( 'attached to the main export is the generator seed', function test( t ) {
 	t.end();
 });
 
+tape( 'attached to the main export is the generator seed length', function test( t ) {
+	t.equal( typeof f.seedLength, 'number', 'has property' );
+	t.end();
+});
+
+tape( 'attached to the main export is the generator state', function test( t ) {
+	t.equal( isUint32Array( f.state ), true, 'has property' );
+	t.end();
+});
+
+tape( 'attached to the main export is the generator state length', function test( t ) {
+	t.equal( typeof f.stateLength, 'number', 'has property' );
+	t.end();
+});
+
+tape( 'attached to the main export is the generator state size', function test( t ) {
+	t.equal( typeof f.byteLength, 'number', 'has property' );
+	t.end();
+});
+
 tape( 'the function returns pseudorandom numbers', function test( t ) {
 	var r;
 	var i;
@@ -63,3 +83,30 @@ tape( 'the function returns pseudorandom numbers', function test( t ) {
 	}
 	t.end();
 });
+
+tape( 'the function supports setting the generator state', function test( t ) {
+	var state;
+	var arr;
+	var i;
+
+	// Move to a future state...
+	for ( i = 0; i < 100; i++ ) {
+		f( 2.0, 4.0 );
+	}
+	// Capture the current state:
+	state = f.state;
+
+	// Move to a future state...
+	arr = [];
+	for ( i = 0; i < 100; i++ ) {
+		arr.push( f( 2.0, 4.0 ) );
+	}
+	// Set the state:
+	f.state = state;
+
+	// Replay previously generated values...
+	for ( i = 0; i < 100; i++ ) {
+		t.equal( f( 2.0, 4.0 ), arr[ i ], 'returns expected value. i: '+i+'.' );
+	}
+	t.end();
+});