diff -r 40657f9a4e4a -r 663c2a9108d1 pre_testing3/postfix_test7.scala --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/pre_testing3/postfix_test7.scala Sun Nov 01 01:21:31 2020 +0000 @@ -0,0 +1,7 @@ +import CW8a._ + + +assert(syard(split("3 + 4 * ( 2 - 1 )")) == List("3", "4", "2", "1", "-", "*", "+")) +assert(syard(split("( ( ( 3 ) ) + ( ( 4 + ( 5 ) ) ) )")) == List("3", "4", "5", "+", "+")) +assert(syard(split("5 + 7 / 2")) == List("5", "7", "2", "/", "+")) +assert(syard(split("5 * 7 / 2")) == List("5", "7", "*", "2", "/"))