examples for lecture

GradeServer.java

@@ -16,11 +16,13 @@ class ExecHelpers {
     In Java 9 and later, new String(out.readAllBytes()) would be a better
     option, but using Java 8 for compatibility with ieng6.
   */
-  static String streamToString(InputStream out) {
-    Stream<String> lines = new BufferedReader(new InputStreamReader(out)).lines();
+  static String streamToString(InputStream out) throws IOException {
     String result = "";
-    for(Object o: lines.toArray()) {
-      result += (String)o + "\n";
+    while(true) {
+      int c = out.read();
+      if(c == -1) { break; }
+      result += (char)c;
+      System.out.println(System.currentTimeMillis() + "; just read: " + (char)c);
     }
     return result;
   }

TestListExamples.java

@@ -2,7 +2,7 @@
 import org.junit.*;
 
 public class TestListExamples {
-  @Test(timeout = 100)
+  @Test(timeout = 8000)
   public void testTimeout() {
     while(true) {}
   }

grade.sh

@@ -1,9 +1,13 @@
 # Create your grading script here
 
+CPATH='.:lib/hamcrest-core-1.3.jar:lib/junit-4.13.2.jar'
+
 rm -rf student-submission
 git clone $1 student-submission
 echo 'Finished cloning'
 
-
+cp student-submission/ListExamples.java ./
+javac -cp $CPATH *.java
+java -cp $CPATH org.junit.runner.JUnitCore TestListExamples