Add number.unit16

source/lib/predicates/number.ts

@@ -148,7 +148,20 @@ export class NumberPredicate extends Predicate<number> {
 	get uint8() {
 		const start = 0;
 		const end = 255;
-		
+
+		return this.addValidator({
+			message: (value, label) => `Expected ${label} to be an integer in range [${start}..${end}], got ${value}`,
+			validator: value => is.integer(value) && is.inRange(value, [start, end])
+		});
+	}
+
+	/**
+	 * Test a number to be in a valid range for a uint16.
+	 */
+	get uint16() {
+		const start = 0;
+		const end = 65535;
+
 		return this.addValidator({
 			message: (value, label) => `Expected ${label} to be an integer in range [${start}..${end}], got ${value}`,
 			validator: value => is.integer(value) && is.inRange(value, [start, end])

source/test/number.ts

@@ -90,3 +90,11 @@ test('number.uint8', t => {
 	t.throws(() => m(1.5, m.number.uint8), 'Expected number to be an integer in range [0..255], got 1.5');
 	t.throws(() => m(256, m.number.uint8), 'Expected number to be an integer in range [0..255], got 256');
 });
+
+test('number.uint16', t => {
+	t.notThrows(() => m(0, m.number.uint16));
+	t.notThrows(() => m(65535, m.number.uint16));
+	t.throws(() => m(-1, m.number.uint16), 'Expected number to be an integer in range [0..65535], got -1');
+	t.throws(() => m(1.5, m.number.uint16), 'Expected number to be an integer in range [0..65535], got 1.5');
+	t.throws(() => m(65536, m.number.uint16), 'Expected number to be an integer in range [0..65535], got 65536');
+});