Add explicit tests for <fixcrlf>'s CRCRLF handling.

PR: 12219


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@273290 13f79535-47bb-0310-9956-ffa450edef68

src/etc/testcases/taskdefs/fixcrlf/build.xml

@@ -121,4 +121,25 @@
              />
   </target>
 
+  <target name="testCrCrLfSequence-unix" depends="init">
+    <fixcrlf srcdir="input" destdir="result"
+             includes="crcrlf"
+             eol="lf"
+             />
+  </target>
+
+  <target name="testCrCrLfSequence-dos" depends="init">
+    <fixcrlf srcdir="input" destdir="result"
+             includes="crcrlf"
+             eol="crlf"
+             />
+  </target>
+
+  <target name="testCrCrLfSequence-mac" depends="init">
+    <fixcrlf srcdir="input" destdir="result"
+             includes="crcrlf"
+             eol="cr"
+             />
+  </target>
+
 </project>

src/etc/testcases/taskdefs/fixcrlf/expected/crcrlf.dos

@@ -0,0 +1,2 @@
+1
+2

src/etc/testcases/taskdefs/fixcrlf/expected/crcrlf.mac

@@ -0,0 +1 @@
+1
2

src/etc/testcases/taskdefs/fixcrlf/expected/crcrlf.unix

@@ -0,0 +1,2 @@
+1
+2

src/etc/testcases/taskdefs/fixcrlf/input/crcrlf

@@ -0,0 +1,2 @@
+1
+2

src/testcases/org/apache/tools/ant/taskdefs/FixCrLfTest.java

@@ -184,6 +184,24 @@ public class FixCrLfTest extends BuildFileTest {
                            new File("src/etc/testcases/taskdefs/fixcrlf/result/longlines.crlf"));
     }
     
+    public void testCrCrLfSequenceUnix() throws IOException {
+        executeTarget("testCrCrLfSequence-unix");
+        assertEqualContent(new File("src/etc/testcases/taskdefs/fixcrlf/expected/crcrlf.unix"),
+                           new File("src/etc/testcases/taskdefs/fixcrlf/result/crcrlf"));
+    }
+
+    public void testCrCrLfSequenceDos() throws IOException {
+        executeTarget("testCrCrLfSequence-dos");
+        assertEqualContent(new File("src/etc/testcases/taskdefs/fixcrlf/expected/crcrlf.dos"),
+                           new File("src/etc/testcases/taskdefs/fixcrlf/result/crcrlf"));
+    }
+
+    public void testCrCrLfSequenceMac() throws IOException {
+        executeTarget("testCrCrLfSequence-mac");
+        assertEqualContent(new File("src/etc/testcases/taskdefs/fixcrlf/expected/crcrlf.mac"),
+                           new File("src/etc/testcases/taskdefs/fixcrlf/result/crcrlf"));
+    }
+
     public void assertEqualContent(File expect, File result) 
         throws AssertionFailedError, IOException {
         if (!result.exists()) {