#869 Negative float reading fixed

libsrc/ffdec_lib/test/com/jpexs/decompiler/flash/ActionScript2AssemblerTest.java

@@ -1,18 +1,19 @@
 /*
  *  Copyright (C) 2010-2015 JPEXS, All rights reserved.
- * 
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 3.0 of the License, or (at your option) any later version.
- * 
+ *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library.
+ * License along with this library.
+ */
 package com.jpexs.decompiler.flash;
 
 import com.jpexs.decompiler.flash.action.Action;
@@ -46,6 +47,22 @@ public class ActionScript2AssemblerTest extends ActionStript2TestBase {
         swf = new SWF(new BufferedInputStream(new FileInputStream("testdata/as2/as2.swf")), false);
     }
 
+    private String recompilePcode(String pcode) {
+        try {
+            List<Action> actions = ASMParser.parse(0, true, pcode, swf.version, false);
+
+            DoActionTag doa = getFirstActionTag();
+            doa.setActionBytes(Action.actionsToBytes(actions, true, swf.version));
+            HighlightedTextWriter writer = new HighlightedTextWriter(new CodeFormatting(), false);
+            doa.getASMSource(ScriptExportMode.PCODE, writer, null);
+            return writer.toString();
+        } catch (IOException | ActionParseException | InterruptedException ex) {
+            fail();
+        }
+
+        return null;
+    }
+
     @Test
     public void testModifiedConstantPools() {
         String actionsString = "ConstantPool \"ok\"\n"
@@ -74,4 +91,11 @@ public class ActionScript2AssemblerTest extends ActionStript2TestBase {
             fail();
         }
     }
+
+    @Test
+    public void testNegativeFloatValue() {
+        String actionsString = "Push -0.25";
+        String decompiled = recompilePcode(actionsString);
+        assertTrue(decompiled.contains("Push -0.25"));
+    }
 }