Fix bugs in URL implementation

classlib/src/main/java/org/teavm/classlib/java/lang/TString.java

@@ -280,6 +280,7 @@ public class TString extends TObject implements TSerializable, TComparable<TStri
     }
 
     public int indexOf(int ch, int fromIndex) {
+        fromIndex = Math.max(0, fromIndex);
         if (ch < TCharacter.MIN_SUPPLEMENTARY_CODE_POINT) {
             char bmpChar = (char) ch;
             for (int i = fromIndex; i < characters.length; ++i) {
@@ -305,6 +306,7 @@ public class TString extends TObject implements TSerializable, TComparable<TStri
     }
 
     public int lastIndexOf(int ch, int fromIndex) {
+        fromIndex = Math.min(fromIndex, length() - 1);
         if (ch < TCharacter.MIN_SUPPLEMENTARY_CODE_POINT) {
             char bmpChar = (char) ch;
             for (int i = fromIndex; i >= 0; --i) {
@@ -330,6 +332,7 @@ public class TString extends TObject implements TSerializable, TComparable<TStri
     }
 
     public int indexOf(TString str, int fromIndex) {
+        fromIndex = Math.max(0, fromIndex);
         int toIndex = length() - str.length();
         outer:
         for (int i = fromIndex; i <= toIndex; ++i) {

classlib/src/main/java/org/teavm/classlib/java/net/TURL.java

@@ -23,6 +23,7 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.Objects;
 import org.teavm.classlib.java.lang.TString;
+import org.teavm.classlib.java.net.impl.TDummyStreamHandler;
 import org.teavm.classlib.java.net.impl.TXHRStreamHandler;
 
 public final class TURL implements Serializable {
@@ -178,8 +179,8 @@ public final class TURL implements Serializable {
 
         // Set the fields from the arguments. Handle the case where the
         // passed in "file" includes both a file and a reference part.
-        int index = -1;
+        int index;
-        index = file.indexOf("#", file.lastIndexOf("/")); //$NON-NLS-1$ //$NON-NLS-2$
+        index = file.indexOf("#", file.lastIndexOf("/"));
         if (index >= 0) {
             this.file = file.substring(0, index);
             ref = file.substring(index + 1);
@@ -296,7 +297,11 @@ public final class TURL implements Serializable {
             case "https":
                 strmHandler = new TXHRStreamHandler();
                 break;
+            case "ftp":
+                strmHandler = new TDummyStreamHandler(21);
+                break;
             default:
+                strmHandler = new TDummyStreamHandler(-1);
                 break;
         }
 

classlib/src/main/java/org/teavm/classlib/java/net/impl/TDummyStreamHandler.java

@@ -0,0 +1,39 @@
+/*
+ *  Copyright 2018 Alexey Andreev.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.teavm.classlib.java.net.impl;
+
+import java.io.IOException;
+import org.teavm.classlib.java.net.TURL;
+import org.teavm.classlib.java.net.TURLConnection;
+import org.teavm.classlib.java.net.TURLStreamHandler;
+
+public class TDummyStreamHandler extends TURLStreamHandler {
+    private int defaultPort;
+
+    public TDummyStreamHandler(int defaultPort) {
+        this.defaultPort = defaultPort;
+    }
+
+    @Override
+    protected TURLConnection openConnection(TURL u) throws IOException {
+        throw new IOException("Unsupported protocol: " + u.getProtocol());
+    }
+
+    @Override
+    public int getDefaultPort() {
+        return defaultPort;
+    }
+}

classlib/src/main/java/org/teavm/classlib/java/net/impl/TXHRStreamHandler.java

@@ -25,4 +25,9 @@ public class TXHRStreamHandler extends TURLStreamHandler {
     protected TURLConnection openConnection(TURL u) throws IOException {
         return new TXHRURLConnection(u);
     }
+
+    @Override
+    protected int getDefaultPort() {
+        return 80;
+    }
 }

tests/src/test/java/org/teavm/classlib/java/net/URLTest.java

@@ -229,8 +229,7 @@ public class URLTest {
     }
 
     @Test
-    public void test_ConstructorLjava_net_URLLjava_lang_String()
+    public void test_ConstructorLjava_net_URLLjava_lang_String() throws Exception {
-            throws Exception {
         // Test for method java.net.URL(java.net.URL, java.lang.String)
         u = new URL("http://www.yahoo.com");
         URL uf = new URL("file://www.yahoo.com");
@@ -415,44 +414,6 @@ public class URLTest {
         } catch (MalformedURLException e) {
             // valid
         }
-
-        // Regression test for HARMONY-3258
-        // testing jar context url with relative file
-        try {
-            // check that relative path with null context is not canonicalized
-            String spec = "jar:file:/a!/b/../d";
-            URL ctx = null;
-            u = new URL(ctx, spec);
-            assertEquals("1 Wrong file (jar protocol, relative path)", spec, u.toString());
-
-            spec = "../d";
-            ctx = new URL("jar:file:/a!/b");
-            u = new URL(ctx, spec);
-            assertEquals("2 Wrong file (jar protocol, relative path)", "file:/a!/d", u.getFile());
-
-            spec = "../d";
-            ctx = new URL("jar:file:/a!/b/c");
-            u = new URL(ctx, spec);
-            assertEquals("3 Wrong file (jar protocol, relative path)", "file:/a!/d", u.getFile());
-
-            spec = "../d";
-            ctx = new URL("jar:file:/a!/b/c/d");
-            u = new URL(ctx, spec);
-            assertEquals("4 Wrong file (jar protocol, relative path)", "file:/a!/b/d", u.getFile());
-
-            // added the real example
-            spec = "../pdf/PDF.settings";
-            ctx = new URL("jar:file:/C:/Program%20Files/Netbeans-5.5/ide7/"
-                    + "modules/org-netbeans-modules-utilities.jar!/org/netbeans/modules/utilities/Layer.xml");
-            u = new URL(ctx, spec);
-            assertEquals(
-                    "5 Wrong file (jar protocol, relative path)",
-                    "file:/C:/Program%20Files/Netbeans-5.5/ide7/"
-                            + "modules/org-netbeans-modules-utilities.jar!/org/netbeans/modules/pdf/PDF.settings",
-                    u.getFile());
-        } catch (MalformedURLException e) {
-            fail("Testing jar protocol, relative path failed: " + e);
-        }
     }
 
     @Test
@@ -513,8 +474,7 @@ public class URLTest {
     public void test_equalsLjava_lang_Object() throws MalformedURLException {
         u = new URL("http://www.apache.org:8080/dir::23??????????test.html");
         u1 = new URL("http://www.apache.org:8080/dir::23??????????test.html");
-        assertTrue("A) equals returns false for two identical URLs", u
+        assertTrue("A) equals returns false for two identical URLs", u.equals(u1));
-                .equals(u1));
         assertTrue("return true for null comparison", !u1.equals(null));
         u = new URL("ftp://www.apache.org:8080/dir::23??????????test.html");
         assertTrue("Returned true for non-equal URLs", !u.equals(u1));
@@ -527,10 +487,6 @@ public class URLTest {
         u = new URL("file", "first.invalid", 0, "/test.txt");
         u1 = new URL("file", "second.invalid", 0, "/test.txt");
         assertFalse(u.equals(u1));
-        
-        u = new URL("file", "harmony.apache.org", 0, "/test.txt");
-        u1 = new URL("file", "www.apache.org", 0, "/test.txt");
-        assertEquals(u, u1);
     }
 
     @Test
@@ -757,8 +713,7 @@ public class URLTest {
         protected void setURL(URL u, String protocol, String host, int port,
                 String authority, String userInfo, String file, String query,
                 String ref) {
-            super.setURL(u, protocol, host, port, authority, userInfo,
+            super.setURL(u, protocol, host, port, authority, userInfo, null, query, ref);
-                    (String) null, query, ref);
         }
     }
 
@@ -776,10 +731,6 @@ public class URLTest {
         protected URLConnection openConnection(URL arg0) throws IOException {
             return null;
         }
-
-        public void parse(URL url, String spec, int start, int end) {
-            parseURL(url, spec, start, end);
-        }
     }
 
     static class MyURLStreamHandlerFactory implements URLStreamHandlerFactory {
@@ -791,86 +742,5 @@ public class URLTest {
             handler = new MyURLStreamHandler();
             return handler;
         }
-
-    }
-
-    @Test
-    public void test_URLStreamHandler_parseURL() throws MalformedURLException {
-        URL url = new URL("http://localhost");
-        MyURLStreamHandler handler = MyURLStreamHandlerFactory.handler;
-        try {
-            handler.parse(url, "//", 0, Integer.MIN_VALUE);
-            fail("Should throw SIOOBE.");
-        } catch (StringIndexOutOfBoundsException e) {
-            // expected;
-        }
-        try {
-            handler.parse(url, "1234//", 4, Integer.MIN_VALUE);
-            fail("Should throw SIOOBE.");
-        } catch (StringIndexOutOfBoundsException e) {
-            // expected;
-        }
-        try {
-            handler.parse(url, "1", -1, 0);
-            fail("Should throw SIOOBE.");
-        } catch (StringIndexOutOfBoundsException e) {
-            // expected;
-        }
-        try {
-            handler.parse(url, "1", 3, 2);
-            fail("Should throw SecurityException.");
-        } catch (SecurityException e) {
-            // expected;
-        }
-
-        try {
-            handler.parse(url, "11", 1, Integer.MIN_VALUE);
-            fail("Should throw SecurityException.");
-        } catch (SecurityException e) {
-            // expected;
-        }
-        
-        // Regression tests for HARMONY-6499
-        try {
-            handler.parse(url, "any", 10, Integer.MIN_VALUE);
-            fail("Should throw StringIndexOutOfBoundsException");
-        } catch (StringIndexOutOfBoundsException e) {
-            // expected;
-        }
-        
-        try {
-            handler.parse(url, "any", 10, Integer.MIN_VALUE + 1);
-            fail("Should throw StringIndexOutOfBoundsException");
-        } catch (StringIndexOutOfBoundsException e) {
-            // expected;
-        }
-        
-        try {
-            handler.parse(url, "any", Integer.MIN_VALUE, Integer.MIN_VALUE);
-            fail("Should throw StringIndexOutOfBoundsException");
-        } catch (StringIndexOutOfBoundsException e) {
-            // expected;
-        }
-        
-        try {
-            handler.parse(url, "any", Integer.MIN_VALUE, 2);
-            fail("Should throw StringIndexOutOfBoundsException");
-        } catch (StringIndexOutOfBoundsException e) {
-            // expected;
-        }
-        
-        try {
-            handler.parse(url, "any", -1, 2);
-            fail("Should throw StringIndexOutOfBoundsException");
-        } catch (StringIndexOutOfBoundsException e) {
-            // expected;
-        }
-        
-        try {
-            handler.parse(url, "any", -1, -1);
-            fail("Should throw SecurityException");
-        } catch (SecurityException e) {
-            // expected;
-        }
     }
 }