Update README and test suite

README.md

@@ -7,7 +7,7 @@ language inspired by [FORTH] but more arcane.
 
 - Emulates the look and feel of a programming language from the 60s to early 70s.
 - Lacks variables and registers.
-- Single global stack which stores 32-bit signed integers and booleans.
+- Single global stack which stores 32-bit signed integers, booleans, and strings.
 - No side-effects, can only print values to a terminal.
 - No Read-Eval-Print-Loop.
 

examples/test.cauchemar

@@ -6,77 +6,78 @@ PROGRAM:
   EXAMPLE-CONDITIONAL
   EXAMPLE-LOOP
   EXAMPLE-COMPARISONS
+  PRINT                       ; Should display "Hello, world!"
 
 EXAMPLE-STRING:
- "Hello, world!"
+  "Hello, world!"
 
 EXAMPLE-EQUALITY:
   1    1     EQUALS     ASSERT
   1    2     EQUALS NOT ASSERT
- "INTEGER EQUALITY PASS" PRINT
+  "INTEGER EQUALITY PASS" PRINT
 
   TRUE TRUE  EQUALS     ASSERT
   TRUE FALSE EQUALS NOT ASSERT
- "BOOLEAN EQUALITY PASS" PRINT
+  "BOOLEAN EQUALITY PASS" PRINT
 
- "A"  "A"   EQUALS     ASSERT
- "A"  "B"   EQUALS NOT ASSERT
- "STRING EQUALITY PASS"  PRINT
+  "A"  "A"   EQUALS     ASSERT
+  "A"  "B"   EQUALS NOT ASSERT
+  "STRING EQUALITY PASS"  PRINT
 
 EXAMPLE-BOOLEAN-OPERATIONS:
   TRUE  TRUE  AND TRUE  EQUALS ASSERT
   TRUE  FALSE AND FALSE EQUALS ASSERT
   FALSE TRUE  AND FALSE EQUALS ASSERT
   FALSE FALSE AND FALSE EQUALS ASSERT
- "AND PASS" PRINT
+  "AND PASS" PRINT
 
   TRUE  TRUE  OR TRUE  EQUALS ASSERT
   TRUE  FALSE OR TRUE  EQUALS ASSERT
   FALSE TRUE  OR TRUE  EQUALS ASSERT
   FALSE FALSE OR FALSE EQUALS ASSERT
- "OR PASS"  PRINT
+  "OR PASS"  PRINT
 
   TRUE  NOT FALSE EQUALS ASSERT
   FALSE NOT TRUE  EQUALS ASSERT
- "NOT PASS" PRINT
+  "NOT PASS" PRINT
 
 EXAMPLE-ARITHMETIC:
   1 2 +  3 EQUALS ASSERT
   1 2 - -1 EQUALS ASSERT
   1 2 *  2 EQUALS ASSERT
   1 2 /  0 EQUALS ASSERT
- "MATH ARITHMETIC PASS" PRINT
+  "MATH ARITHMETIC PASS" PRINT
 
 EXAMPLE-CONDITIONAL:
   TRUE IF TRUE ASSERT ELSE FALSE ASSERT THEN
   FALSE IF FALSE ASSERT THEN
- "CONTROL FLOW PASS" PRINT
+  "CONTROL FLOW PASS" PRINT
 
 EXAMPLE-LOOP:
   5 DO
     1 -
     DUP 0 GREATER-THAN
   WHILE
   0 EQUALS ASSERT
- "LOOP PASS" PRINT
+  "LOOP PASS" PRINT
 
 EXAMPLE-COMPARISONS:
   1 2 GREATER-THAN FALSE EQUALS ASSERT
   2 1 GREATER-THAN TRUE  EQUALS ASSERT
   1 1 GREATER-THAN FALSE EQUALS ASSERT
- "GREATER-THAN PASS" PRINT
+  "GREATER-THAN PASS" PRINT
 
   1 2 GREATER-EQUAL FALSE EQUALS ASSERT
   2 1 GREATER-EQUAL TRUE  EQUALS ASSERT
   1 1 GREATER-EQUAL TRUE  EQUALS ASSERT
- "LESS-THAN PASS" PRINT
+  "LESS-THAN PASS" PRINT
 
   1 2 LESS-THAN TRUE  EQUALS ASSERT
   2 1 LESS-THAN FALSE EQUALS ASSERT
   1 1 LESS-THAN FALSE EQUALS ASSERT
- "LESS-THAN PASS" PRINT
+  "LESS-THAN PASS" PRINT
 
   1 2 LESS-EQUAL TRUE  EQUALS ASSERT
   2 1 LESS-EQUAL FALSE EQUALS ASSERT
   1 1 LESS-EQUAL TRUE  EQUALS ASSERT
- "LESS-EQUAL PASS" PRINT
+  "LESS-EQUAL PASS" PRINT