Working through extra credit for ch20 ex19

.gitignore

@@ -6,3 +6,4 @@
 !*.py
 !*.h
 !*.mk
+!test_*.sh

Makefile

@@ -7,9 +7,13 @@ all: $(EXERCISES)
 	$(MAKE) -f ex19.mk
 
 
+test: all
+	$(MAKE) -f ex19.mk test
+
+
 clean:
 	rm -f $(EXERCISES)
 	$(MAKE) -f ex19.mk clean
 
 
-.PHONY: all clean
+.PHONY: all test clean

ex19.c

@@ -46,7 +46,6 @@ Object MonsterProto = {
 void *Room_move(void *self, Direction direction)
 {
     assert(self != NULL);
-    assert(direction);
 
     Room *room = self;
     Room *next = NULL;
@@ -70,6 +69,8 @@ void *Room_move(void *self, Direction direction)
 
     if(next) {
         next->_(describe)(next);
+    } else {
+        printf("mumble mumble.\n");
     }
 
     return next;
@@ -103,7 +104,6 @@ Object RoomProto = {
 void *Map_move(void *self, Direction direction)
 {
     assert(self != NULL);
-    assert(direction);
 
     Map *map = self;
     Room *location = map->location;
@@ -113,6 +113,8 @@ void *Map_move(void *self, Direction direction)
 
     if(next) {
         map->location = next;
+    } else {
+        map->location = location;
     }
 
     return next;
@@ -176,9 +178,6 @@ int process_input(Map *game)
     printf("\n> ");
 
     char ch = getchar();
-    assert(ch != EOF);
-    getchar(); // eat ENTER
-
     int damage = rand() % 4;
 
     switch(ch) {
@@ -219,6 +218,7 @@ int process_input(Map *game)
             printf("What?: %d\n", ch);
     }
 
+    getchar(); // eat ENTER
     return 1;
 }
 

ex19.mk

@@ -2,8 +2,16 @@ CFLAGS=-Wall -g
 
 all: ex19
 
+
 ex19: object.o
 
+
+test:
+	./test_ex19.sh
+
+
 clean:
-	rm -f ex19
-	rm -f object.o
+	rm -f ex19 object.o
+
+
+.PHONY: all test clean

object.c

@@ -85,6 +85,7 @@ void *Object_new(size_t size, Object proto, char *description)
         return NULL;
     } else {
         // all done, we made an object of any type
+        assert(el != NULL);
         return el;
     }
 }

test_ex19.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+
+EXIT_CODE=0
+
+run_test()
+{
+    echo -n " $1"
+    cat $2 | ./ex19 >/dev/null
+    if [[ $? -eq 0 ]]
+    then
+        echo " ... OK"
+    else
+        echo " ... FAIL"
+        EXIT_CODE=1
+    fi
+    rm -f $2
+}
+
+
+tmp_01=`mktemp`
+cat > $tmp_01 <<EOF
+l
+n
+w
+n
+w
+n
+w
+e
+w
+e
+e
+e
+s
+s
+w
+w
+n
+a
+a
+a
+a
+a
+a
+a
+a
+a
+a
+a
+a
+EOF
+
+tmp_02=`mktemp`
+cat > $tmp_02 <<EOF
+l
+a
+a
+a
+a
+a
+n
+hutesoahutesohas
+999999999999
+l
+n
+n
+n
+e
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+EOF
+
+
+run_test '01' $tmp_01
+run_test '02' $tmp_02
+
+
+exit $EXIT_CODE