From 6d9c924ec47787bfdb16f37b8f0f795ebfd2af83 Mon Sep 17 00:00:00 2001
From: curious_odd_man <vlad.varslavans@gmail.com>
Date: Sun, 29 Aug 2021 21:43:49 +0300
Subject: [PATCH] #63. Negative Lookahead Error

Fixing some tests.
---
 .../rgxgen/data/TestPattern.java              | 25 ++++++++++++++++---
 .../rgxgen/testutil/TestingUtilities.java     | 12 +++------
 2 files changed, 25 insertions(+), 12 deletions(-)

diff --git a/src/test/java/com/github/curiousoddman/rgxgen/data/TestPattern.java b/src/test/java/com/github/curiousoddman/rgxgen/data/TestPattern.java
index 633e33de..7845d861 100644
--- a/src/test/java/com/github/curiousoddman/rgxgen/data/TestPattern.java
+++ b/src/test/java/com/github/curiousoddman/rgxgen/data/TestPattern.java
@@ -224,10 +224,19 @@ public enum TestPattern implements DataInterface {
         setUseFindForMatching();
     }},
     //-----------------------------------------------------------------------------------------------------------------------------------------
+    // FIXME: Special case
+    POSITIVE_LOOKAHEAD_HAS_SPECIFIC_SYMBOLS("(?=.*[XCV]).*",
+                                            new Sequence("foo(?=bar)",
+                                                         new FinalSymbol("foo"), new FinalSymbol("bar"))
+    ) {{
+        setUseFindForMatching();
+    }},
+    //-----------------------------------------------------------------------------------------------------------------------------------------
     POSITIVE_LOOKAHEAD_BEFORE("(?=bar).*",
                               new Sequence("(?=bar).*", new FinalSymbol("bar"), Repeat.minimum(".*", new SymbolSet(), 0))) {{
         setUseFindForMatching();
     }},
+    //-----------------------------------------------------------------------------------------------------------------------------------------
     POSITIVE_LOOKAHEAD_BEFORE_NOT_INFINITE("(?=bar).*car",
                                            new Sequence("(?=bar).*car",
                                                         new FinalSymbol("bar"),
@@ -236,6 +245,7 @@ public enum TestPattern implements DataInterface {
         setUseFindForMatching();
     }},
     //-----------------------------------------------------------------------------------------------------------------------------------------
+    // FIXME: Special case
     NEGATIVE_LOOKAHEAD_AFTER("foo(?!bar)",
                              new Sequence("foo(?!bar)",
                                           new FinalSymbol("foo"), new NotSymbol("bar", new FinalSymbol("bar")))) {{
@@ -250,6 +260,13 @@ public enum TestPattern implements DataInterface {
         setValidated();
     }},
     //-----------------------------------------------------------------------------------------------------------------------------------------
+    // FIXME: Handle as special case
+    NEGATIVE_LOOKAHEAD_NOT_IN("(?!.*(AB|AC)).*",
+                              new SymbolSet("[AB]", new Character[]{'A', 'B'}, SymbolSet.TYPE.POSITIVE)) {{
+        setUseFindForMatching();
+        setValidated();
+    }},
+    //-----------------------------------------------------------------------------------------------------------------------------------------
     NEGATIVE_LOOKAHEAD_BEFORE_SPANS_TWO_NODES("(?!BB)[AB][AB]",
                                               new Sequence(
                                                       "(?!BB)[AB][AB]",
@@ -271,14 +288,14 @@ public enum TestPattern implements DataInterface {
         setUseFindForMatching();
     }},
     //-----------------------------------------------------------------------------------------------------------------------------------------
-    POSITIVE_LOOKBEHIND_BEFORE("(?<!not)foo",
-                               new Sequence("(?<!not)foo",
-                                            new NotSymbol("not", new FinalSymbol("not")), new FinalSymbol("foo"))) {{
+    POSITIVE_LOOKBEHIND_BEFORE("(?<=not)foo",
+                               new Sequence("(?<=not)foo",
+                                            new FinalSymbol("not"), new FinalSymbol("foo"))) {{
         setInfinite();
         setUseFindForMatching();
     }},
     //-----------------------------------------------------------------------------------------------------------------------------------------
-    NEGATIVE_LOOKBEHIND_AFTER(".*(?<=foo)",
+    POSITIVE_LOOKBEHIND_AFTER_1(".*(?<=foo)",
                               new Sequence(
                                       ".*(?<=foo)",
                                       Repeat.minimum(".*", new SymbolSet(), 0),
diff --git a/src/test/java/com/github/curiousoddman/rgxgen/testutil/TestingUtilities.java b/src/test/java/com/github/curiousoddman/rgxgen/testutil/TestingUtilities.java
index 6a2b545d..38ee56f2 100644
--- a/src/test/java/com/github/curiousoddman/rgxgen/testutil/TestingUtilities.java
+++ b/src/test/java/com/github/curiousoddman/rgxgen/testutil/TestingUtilities.java
@@ -3,20 +3,16 @@
 
 import java.math.BigInteger;
 import java.util.*;
+import java.util.stream.Collectors;
 import java.util.stream.IntStream;
+import java.util.stream.StreamSupport;
 
 public final class TestingUtilities {
     public static final BigInteger BIG_INTEGER_MINUS_ONE = BigInteger.valueOf(-1);
 
     public static <T> List<T> iteratorToList(Iterator<T> it) {
-        List<T> lst = new ArrayList<>(100);
-
-        while (it.hasNext()) {
-            T next = it.next();
-            lst.add(next);
-        }
-
-        return lst;
+        return StreamSupport.stream(Spliterators.spliteratorUnknownSize(it, 0), false)
+                            .collect(Collectors.toList());
     }
 
     public static Character[] getAllDigits() {