🔍 test: Increase coverage of ZZ.from.

Author: make-github-pseudonymous-again

test/src/ZZ/from.js

@@ -18,6 +18,12 @@ test( 'ZZ.from()' , t => {
 	t.is( ZZ.from(1===0).toString() , '0' ) ;
 	t.is( ZZ.from('+10').toString() , '10' ) ;
 
+	t.is( ZZ.from(7, undefined, -1).valueOf() , -7 ) ;
+	t.is( ZZ.from("7", 8, -1).valueOf() , -7 ) ;
+	t.is( ZZ.from("-7", 8, -1).valueOf() , 7 ) ;
+	t.is( ZZ.from("17", 8, -1).valueOf() , -15 ) ;
+	t.is( ZZ.from("-17", 8, -1).valueOf() , 15 ) ;
+
 	t.is( ZZ.from( [ 0 , 1 ] ).toString() , ZZ.base.toString() ) ;
 
 	t.is( MAX_NUMBER.toString() , ZZ.from(MAX_NUMBER).toString() ) ;