moving files around

2026-05-23 00:00:05 -04:00 · 2009-11-06 21:36:46 +01:00
parent ad913b5093
commit b3aa378f16
79 changed files with 0 additions and 0 deletions
@@ -0,0 +1,215 @@
+package com.twelvemonkeys.io;
+
+import com.twelvemonkeys.lang.ObjectAbstractTestCase;
+
+import java.io.Reader;
+import java.io.IOException;
+
+/**
+ * ReaderAbstractTestCase
+ * <p/>
+ *
+ * @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
+ * @author last modified by $Author: haku $
+ * @version $Id: //depot/branches/personal/haraldk/twelvemonkeys/release-2/twelvemonkeys-core/src/test/java/com/twelvemonkeys/io/ReaderAbstractTestCase.java#1 $
+ */
+public abstract class ReaderAbstractTestCase extends ObjectAbstractTestCase {
+
+    // Kindly provided by lipsum.org :-)
+    protected final String mInput =
+           "Cras tincidunt euismod tellus. Aenean a odio. " +
+           "Aenean metus. Sed tristique est non purus. Class aptent " +
+           "taciti sociosqu ad litora torquent per conubia nostra, per " +
+           "inceptos hymenaeos. Fusce vulputate dolor non mauris. " +
+           "Nullam nunc massa, pretium quis, ultricies a, varius quis, " +
+           "neque. Nam id nulla eu ante malesuada fermentum. Sed " +
+           "vulputate purus eget magna. Sed mollis. Curabitur enim " +
+           "diam, faucibus ac, hendrerit eu, consequat nec, augue.";
+
+    protected final Object makeObject() {
+        return makeReader();
+    }
+
+    protected Reader makeReader() {
+        return makeReader(mInput);
+    }
+
+    protected abstract Reader makeReader(String pInput);
+
+    public void testRead() throws IOException {
+        Reader reader = makeReader();
+
+        int count = 0;
+        int ch;
+        StringBuilder buffer = new StringBuilder(mInput.length());
+        while ((ch = reader.read()) > 0) {
+            count++;
+            buffer.append((char) ch);
+        }
+
+        assertEquals(mInput.length(), count);
+        assertEquals(mInput, buffer.toString());
+    }
+
+    public void testReadBuffer() throws IOException {
+        Reader reader = makeReader();
+
+        char[] chars = new char[mInput.length()];
+        StringBuilder buffer = new StringBuilder(mInput.length());
+
+        int count;
+        int offset = 0;
+        int lenght = chars.length;
+        while ((count = reader.read(chars, offset, lenght)) > 0) {
+            buffer.append(chars, offset, count);
+            offset += count;
+            lenght -= count;
+        }
+
+        assertEquals(mInput, buffer.toString());
+        assertEquals(mInput, new String(chars));
+    }
+
+    public void testSkipToEnd() throws IOException {
+        Reader reader = makeReader();
+
+        int toSkip = mInput.length();
+        while (toSkip > 0) {
+            long skipped = reader.skip(toSkip);
+            assertFalse("Skipped < 0", skipped < 0);
+            toSkip -= skipped;
+        }
+
+        assertEquals(0, toSkip);
+    }
+
+    public void testSkipToEndAndRead() throws IOException {
+        Reader reader = makeReader();
+
+        int toSkip = mInput.length();
+        while (toSkip > 0) {
+            toSkip -= reader.skip(toSkip);
+        }
+
+        assertEquals(reader.read(), -1);
+    }
+
+    // TODO: It's possible to support reset and not mark (resets to beginning of stream, for example)
+    public void testResetMarkSupported() throws IOException {
+        Reader reader = makeReader();
+
+        if (reader.markSupported()) {
+            // Mark at 0
+            reader.mark(mInput.length() / 4);
+
+            // Read one char
+            char ch = (char) reader.read();
+            reader.reset();
+            assertEquals(ch, (char) reader.read());
+            reader.reset();
+
+            // Read from start
+            StringBuilder first = new StringBuilder(mInput.length() / 4);
+            for (int i = 0; i < mInput.length() / 4; i++) {
+                first.append((char) reader.read());
+            }
+
+            reader.reset(); // 0
+
+            StringBuilder second = new StringBuilder(mInput.length() / 4);
+            for (int i = 0; i < mInput.length() / 4; i++) {
+                second.append((char) reader.read());
+            }
+
+            assertEquals(first.toString(), second.toString());
+
+            // Mark at 1/4
+            reader.mark(mInput.length() / 4);
+
+            // Read from 1/4
+            first = new StringBuilder(mInput.length() / 4);
+            for (int i = 0; i < mInput.length() / 4; i++) {
+                first.append((char) reader.read());
+            }
+
+            reader.reset(); // 1/4
+
+            second = new StringBuilder(mInput.length() / 4);
+            for (int i = 0; i < mInput.length() / 4; i++) {
+                second.append((char) reader.read());
+            }
+
+            assertEquals(first.toString(), second.toString());
+
+            // Read past limit
+            reader.read();
+
+            // This may or may not fail, depending on the stream
+            try {
+                reader.reset();
+            }
+            catch (IOException ioe) {
+                assertNotNull(ioe.getMessage());
+            }
+        }
+    }
+
+    public void testResetMarkNotSupported() throws IOException {
+        Reader reader = makeReader();
+
+        if (!reader.markSupported()) {
+            try {
+                reader.mark(mInput.length());
+                fail("Mark set, while markSupprted is false");
+            }
+            catch (IOException e) {
+                assertNotNull(e.getMessage());
+            }
+
+            // Read one char
+            char ch = (char) reader.read();
+            try {
+                reader.reset();
+                assertEquals(ch, (char) reader.read());
+            }
+            catch (IOException ioe) {
+                assertNotNull(ioe.getMessage());
+            }
+
+            // Read from start
+            StringBuilder first = new StringBuilder(mInput.length() / 4);
+            for (int i = 0; i < mInput.length() / 4; i++) {
+                first.append((char) reader.read());
+            }
+
+            try {
+                reader.reset(); // 0
+
+                StringBuilder second = new StringBuilder(mInput.length() / 4);
+                for (int i = 0; i < mInput.length() / 4; i++) {
+                    second.append((char) reader.read());
+                }
+
+                assertEquals(first.toString(), second.toString());
+            }
+            catch (IOException ioe) {
+                assertNotNull(ioe.getMessage());
+            }
+        }
+    }
+
+
+    public void testReadAfterClose() throws IOException {
+        Reader reader = makeReader("foo bar");
+
+        reader.close();
+
+        try {
+            reader.read();
+            fail("Should not allow read after close");
+        }
+        catch (IOException ioe) {
+            assertNotNull(ioe.getMessage());
+        }
+    }
+}