update test file

Author: pwntester

java/ql/test/library-tests/regex/Test.java

@@ -6,6 +6,9 @@
 // Test case generated by GenerateFlowTestCase.ql
 public class Test {
 
+  private final String str_pattern = "\\$\\{(.*)\\}";
+  private final Pattern pattern = Pattern.compile(str_pattern);
+
 	Object source() { return null; }
 	void sink(Object o) { }
 
@@ -14,60 +17,64 @@ public void test() throws Exception {
 		{
 			// "java.util.regex;Matcher;false;group;;;Argument[-1];ReturnValue;taint"
 			String out = null;
-			Matcher in = (Matcher)source();
-			out = in.group((String)null);
+      String in = (String) source();
+      Matcher m = pattern.matcher(in);
+			out = m.group("foo");
 			sink(out); // $ hasTaintFlow
 		}
 		{
 			// "java.util.regex;Matcher;false;group;;;Argument[-1];ReturnValue;taint"
 			String out = null;
-			Matcher in = (Matcher)source();
-			out = in.group();
+      String in = (String) source();
+      Matcher m = pattern.matcher(in);
+			out = m.group();
 			sink(out); // $ hasTaintFlow
 		}
 		{
 			// "java.util.regex;Matcher;false;group;;;Argument[-1];ReturnValue;taint"
 			String out = null;
-			Matcher in = (Matcher)source();
-			out = in.group(0);
+      String in = (String) source();
+      Matcher m = pattern.matcher(in);
+			out = m.group(0);
 			sink(out); // $ hasTaintFlow
 		}
 		{
 			// "java.util.regex;Matcher;false;replaceAll;;;Argument[-1];ReturnValue;taint"
 			String out = null;
-			Matcher in = (Matcher)source();
-			out = in.replaceAll(null);
+      String in = (String) source();
+      Matcher m = pattern.matcher(in);
+			out = m.replaceAll("foo");
 			sink(out); // $ hasTaintFlow
 		}
 		{
 			// "java.util.regex;Matcher;false;replaceAll;;;Argument[0];ReturnValue;taint"
 			String out = null;
-			String in = (String)source();
-			Matcher instance = null;
-			out = instance.replaceAll(in);
+      String in = (String) source();
+      Matcher m = pattern.matcher("foo");
+			out = m.replaceAll(in);
 			sink(out); // $ hasTaintFlow
 		}
 		{
 			// "java.util.regex;Matcher;false;replaceFirst;;;Argument[-1];ReturnValue;taint"
 			String out = null;
-			Matcher in = (Matcher)source();
-			out = in.replaceFirst(null);
+      String in = (String) source();
+      Matcher m = pattern.matcher(in);
+			out = m.replaceFirst("foo");
 			sink(out); // $ hasTaintFlow
 		}
 		{
 			// "java.util.regex;Matcher;false;replaceFirst;;;Argument[0];ReturnValue;taint"
 			String out = null;
-			String in = (String)source();
-			Matcher instance = null;
-			out = instance.replaceFirst(in);
+      String in = (String) source();
+      Matcher m = pattern.matcher("foo");
+			out = m.replaceFirst(in);
 			sink(out); // $ hasTaintFlow
 		}
 		{
 			// "java.util.regex;Pattern;false;matcher;;;Argument[0];ReturnValue;taint"
 			Matcher out = null;
 			CharSequence in = (CharSequence)source();
-			Pattern instance = null;
-			out = instance.matcher(in);
+			out = pattern.matcher(in);
 			sink(out); // $ hasTaintFlow
 		}
 		{
@@ -81,19 +88,17 @@ public void test() throws Exception {
 			// "java.util.regex;Pattern;false;split;;;Argument[0];ReturnValue;taint"
 			String[] out = null;
 			CharSequence in = (CharSequence)source();
-			Pattern instance = null;
-			out = instance.split(in);
+			out = pattern.split(in);
 			sink(out); // $ hasTaintFlow
 		}
 		{
 			// "java.util.regex;Pattern;false;split;;;Argument[0];ReturnValue;taint"
 			String[] out = null;
 			CharSequence in = (CharSequence)source();
-			Pattern instance = null;
-			out = instance.split(in, 0);
+			out = pattern.split(in, 0);
 			sink(out); // $ hasTaintFlow
 		}
 
 	}
 
-}
+}