/luni/src/test/java/tests/api/java/io/CharArrayWriterTest.java
Java | 436 lines | 304 code | 32 blank | 100 comment | 2 complexity | dd999630840bf1a945c78105b09b45cd MD5 | raw file
- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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 tests.api.java.io;
- import java.io.CharArrayReader;
- import java.io.CharArrayWriter;
- import java.io.IOException;
- import java.io.StringWriter;
- import tests.support.Support_ASimpleWriter;
- import dalvik.annotation.TestLevel;
- import dalvik.annotation.TestTargetClass;
- import dalvik.annotation.TestTargetNew;
- @TestTargetClass(CharArrayWriter.class)
- public class CharArrayWriterTest extends junit.framework.TestCase {
- char[] hw = { 'H', 'e', 'l', 'l', 'o', 'W', 'o', 'r', 'l', 'd' };
- CharArrayWriter cw;
- CharArrayReader cr;
- /**
- * @tests java.io.CharArrayWriter#CharArrayWriter(int)
- */
- @TestTargetNew(
- level = TestLevel.COMPLETE,
- method = "CharArrayWriter",
- args = {int.class}
- )
- public void test_ConstructorI() {
- // Test for method java.io.CharArrayWriter(int)
- cw = new CharArrayWriter(90);
- assertEquals("Test 1: Incorrect writer created.", 0, cw.size());
- try {
- cw = new CharArrayWriter(-1);
- fail("IllegalArgumentException expected.");
- } catch (IllegalArgumentException e) {
- // Expected.
- }
- }
- /**
- * @tests java.io.CharArrayWriter#CharArrayWriter()
- */
- @TestTargetNew(
- level = TestLevel.COMPLETE,
- notes = "Verifies CharArrayWriter() method.",
- method = "CharArrayWriter",
- args = {}
- )
- public void test_Constructor() {
- // Test for method java.io.CharArrayWriter()
- cw = new CharArrayWriter();
- assertEquals("Created incorrect writer", 0, cw.size());
- }
- /**
- * @tests java.io.CharArrayWriter#close()
- */
- @TestTargetNew(
- level = TestLevel.COMPLETE,
- notes = "Verifies close() method.",
- method = "close",
- args = {}
- )
- public void test_close() {
- // Test for method void java.io.CharArrayWriter.close()
- cw.close();
- }
- /**
- * @tests java.io.CharArrayWriter#flush()
- */
- @TestTargetNew(
- level = TestLevel.COMPLETE,
- notes = "Verifies flush() method.",
- method = "flush",
- args = {}
- )
- public void test_flush() {
- // Test for method void java.io.CharArrayWriter.flush()
- cw.flush();
- }
- /**
- * @tests java.io.CharArrayWriter#reset()
- */
- @TestTargetNew(
- level = TestLevel.COMPLETE,
- notes = "Verifies reset() method.",
- method = "reset",
- args = {}
- )
- public void test_reset() {
- // Test for method void java.io.CharArrayWriter.reset()
- cw.write("HelloWorld", 5, 5);
- cw.reset();
- cw.write("HelloWorld", 0, 5);
- cr = new CharArrayReader(cw.toCharArray());
- try {
- char[] c = new char[100];
- cr.read(c, 0, 5);
- assertEquals("Reset failed to reset buffer",
- "Hello", new String(c, 0, 5));
- } catch (IOException e) {
- fail("Exception during reset test : " + e.getMessage());
- }
- }
- /**
- * @tests java.io.CharArrayWriter#size()
- */
- @TestTargetNew(
- level = TestLevel.COMPLETE,
- notes = "Verifies size() method.",
- method = "size",
- args = {}
- )
- public void test_size() {
- // Test for method int java.io.CharArrayWriter.size()
- assertEquals("Returned incorrect size", 0, cw.size());
- cw.write(hw, 5, 5);
- assertEquals("Returned incorrect size", 5, cw.size());
- }
- /**
- * @tests java.io.CharArrayWriter#toCharArray()
- */
- @TestTargetNew(
- level = TestLevel.COMPLETE,
- notes = "Verifies toCharArray() method.",
- method = "toCharArray",
- args = {}
- )
- public void test_toCharArray() {
- // Test for method char [] java.io.CharArrayWriter.toCharArray()
- cw.write("HelloWorld", 0, 10);
- cr = new CharArrayReader(cw.toCharArray());
- try {
- char[] c = new char[100];
- cr.read(c, 0, 10);
- assertEquals("toCharArray failed to return correct array",
- "HelloWorld", new String(c, 0, 10));
- } catch (IOException e) {
- fail("Exception during toCharArray test : " + e.getMessage());
- }
- }
- /**
- * @tests java.io.CharArrayWriter#toString()
- */
- @TestTargetNew(
- level = TestLevel.COMPLETE,
- notes = "Verifies toString() method.",
- method = "toString",
- args = {}
- )
- public void test_toString() {
- // Test for method java.lang.String java.io.CharArrayWriter.toString()
- cw.write("HelloWorld", 5, 5);
- cr = new CharArrayReader(cw.toCharArray());
- assertEquals("Returned incorrect string",
- "World", cw.toString());
- }
- /**
- * @tests java.io.CharArrayWriter#write(char[], int, int)
- */
- @TestTargetNew(
- level = TestLevel.PARTIAL_COMPLETE,
- method = "write",
- args = {char[].class, int.class, int.class}
- )
- public void test_write$CII() {
- // Test for method void java.io.CharArrayWriter.write(char [], int, int)
- cw.write(hw, 5, 5);
- cr = new CharArrayReader(cw.toCharArray());
- try {
- char[] c = new char[100];
- cr.read(c, 0, 5);
- assertEquals("Writer failed to write correct chars",
- "World", new String(c, 0, 5));
- } catch (IOException e) {
- fail("Exception during write test : " + e.getMessage());
- }
- }
- /**
- * @tests java.io.CharArrayWriter#write(char[], int, int)
- * Regression for HARMONY-387
- */
- @TestTargetNew(
- level = TestLevel.PARTIAL_COMPLETE,
- notes = "Illegal argument checks.",
- method = "write",
- args = {char[].class, int.class, int.class}
- )
- public void test_write$CII_Exception() {
- char[] target = new char[10];
- cw = new CharArrayWriter();
- try {
- cw.write(target, -1, 1);
- fail("Test 1: IndexOutOfBoundsException expected.");
- } catch (IndexOutOfBoundsException e) {
- // Expected
- }
- try {
- cw.write(target, 0, -1);
- fail("Test 2: IndexOutOfBoundsException expected.");
- } catch (IndexOutOfBoundsException e) {
- // Expected
- }
- try {
- cw.write(target, 1, target.length);
- fail("Test 3: IndexOutOfBoundsException expected.");
- } catch (IndexOutOfBoundsException e) {
- // Expected
- }
- try {
- cw.write((char[]) null, 1, 1);
- fail("Test 4: NullPointerException expected.");
- } catch (NullPointerException e) {
- // Expected.
- }
- }
- /**
- * @tests java.io.CharArrayWriter#write(int)
- */
- @TestTargetNew(
- level = TestLevel.COMPLETE,
- notes = "Verifies write(int) method.",
- method = "write",
- args = {int.class}
- )
- public void test_writeI() {
- // Test for method void java.io.CharArrayWriter.write(int)
- cw.write('T');
- cr = new CharArrayReader(cw.toCharArray());
- try {
- assertEquals("Writer failed to write char", 'T', cr.read());
- } catch (IOException e) {
- fail("Exception during write test : " + e.getMessage());
- }
- }
- /**
- * @tests java.io.CharArrayWriter#write(java.lang.String, int, int)
- */
- @TestTargetNew(
- level = TestLevel.COMPLETE,
- notes = "Verifies write(java.lang.String, int, int) method. [Need to check different strings?]",
- method = "write",
- args = {java.lang.String.class, int.class, int.class}
- )
- public void test_writeLjava_lang_StringII() {
- // Test for method void java.io.CharArrayWriter.write(java.lang.String,
- // int, int)
- cw.write("HelloWorld", 5, 5);
- cr = new CharArrayReader(cw.toCharArray());
- try {
- char[] c = new char[100];
- cr.read(c, 0, 5);
- assertEquals("Writer failed to write correct chars",
- "World", new String(c, 0, 5));
- } catch (IOException e) {
- fail("Exception during write test : " + e.getMessage());
- }
- }
- /**
- * @tests java.io.CharArrayWriter#write(java.lang.String, int, int)
- * Regression for HARMONY-387
- */
- @TestTargetNew(
- level = TestLevel.PARTIAL,
- notes = "Regression for write(java.lang.String, int, int) method.",
- method = "write",
- args = {java.lang.String.class, int.class, int.class}
- )
- public void test_writeLjava_lang_StringII_2() throws StringIndexOutOfBoundsException {
- CharArrayWriter obj = new CharArrayWriter();
- try {
- obj.write((String) null, -1, 0);
- fail("NullPointerException expected");
- } catch (NullPointerException t) {
- }
- }
- /**
- * @tests java.io.CharArrayWriter#writeTo(java.io.Writer)
- */
- @TestTargetNew(
- level = TestLevel.COMPLETE,
- method = "writeTo",
- args = {java.io.Writer.class}
- )
- public void test_writeToLjava_io_Writer() {
- Support_ASimpleWriter ssw = new Support_ASimpleWriter(true);
- cw.write("HelloWorld", 0, 10);
- StringWriter sw = new StringWriter();
- try {
- cw.writeTo(sw);
- assertEquals("Test 1: Writer failed to write correct chars;",
- "HelloWorld", sw.toString());
- } catch (IOException e) {
- fail("Exception during writeTo test : " + e.getMessage());
- }
- try {
- cw.writeTo(ssw);
- fail("Test 2: IOException expected.");
- } catch (IOException e) {
- // Expected.
- }
- }
- /**
- * Sets up the fixture, for example, open a network connection. This method
- * is called before a test is executed.
- */
- protected void setUp() {
- cw = new CharArrayWriter();
- }
- /**
- * Tears down the fixture, for example, close a network connection. This
- * method is called after a test is executed.
- */
- protected void tearDown() {
- if (cr != null)
- cr.close();
- cw.close();
- }
- /**
- * @tests java.io.CharArrayWriter#append(char)
- */
- @TestTargetNew(
- level = TestLevel.COMPLETE,
- notes = "Verifies append(char c) method.",
- method = "append",
- args = {char.class}
- )
- public void test_appendChar() throws IOException {
- char testChar = ' ';
- CharArrayWriter writer = new CharArrayWriter(10);
- writer.append(testChar);
- writer.flush();
- assertEquals(String.valueOf(testChar), writer.toString());
- writer.close();
- }
- /**
- * @tests java.io.CharArrayWriter#append(CharSequence)
- */
- @TestTargetNew(
- level = TestLevel.COMPLETE,
- notes = "Verifies append(CharSequence csq) method.",
- method = "append",
- args = {java.lang.CharSequence.class}
- )
- public void test_appendCharSequence() {
- String testString = "My Test String";
- CharArrayWriter writer = new CharArrayWriter(10);
- writer.append(testString);
- writer.flush();
- assertEquals(testString, writer.toString());
- writer.close();
- }
- /**
- * @tests java.io.CharArrayWriter#append(CharSequence, int, int)
- */
- @TestTargetNew(
- level = TestLevel.COMPLETE,
- method = "append",
- args = {java.lang.CharSequence.class, int.class, int.class}
- )
- public void test_appendLjava_langCharSequenceII() {
- String testString = "My Test String";
- CharArrayWriter writer = new CharArrayWriter(10);
- // Illegal argument checks.
- try {
- writer.append(testString, -1, 0);
- fail("Test 1: IndexOutOfBoundsException expected.");
- } catch (IndexOutOfBoundsException e) {
- // Expected.
- }
- try {
- writer.append(testString, 0, -1);
- fail("Test 2: IndexOutOfBoundsException expected.");
- } catch (IndexOutOfBoundsException e) {
- // Expected.
- }
- try {
- writer.append(testString, 1, 0);
- fail("Test 3: IndexOutOfBoundsException expected.");
- } catch (IndexOutOfBoundsException e) {
- // Expected.
- }
- try {
- writer.append(testString, 1, testString.length() + 1);
- fail("Test 4: IndexOutOfBoundsException expected.");
- } catch (IndexOutOfBoundsException e) {
- // Expected.
- }
- writer.append(testString, 1, 3);
- writer.flush();
- assertEquals("Test 5: Appending failed;",
- testString.substring(1, 3), writer.toString());
- writer.close();
- }
- }