activemq-cpp/src/test/decaf/lang/StringBuilderTest.cpp

/*
 * 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.
 */

#include "StringBuilderTest.h"

#include <decaf/lang/String.h>
#include <decaf/lang/StringBuilder.h>
#include <decaf/lang/StringBuffer.h>
#include <decaf/lang/Short.h>
#include <decaf/lang/Integer.h>
#include <decaf/lang/Long.h>
#include <decaf/lang/Float.h>
#include <decaf/lang/Double.h>
#include <decaf/lang/exceptions/IndexOutOfBoundsException.h>
#include <decaf/lang/exceptions/NegativeArraySizeException.h>
#include <decaf/lang/exceptions/NullPointerException.h>
#include <decaf/lang/exceptions/StringIndexOutOfBoundsException.h>

using namespace std;
using namespace decaf;
using namespace decaf::lang;
using namespace decaf::lang::exceptions;

////////////////////////////////////////////////////////////////////////////////
StringBuilderTest::StringBuilderTest() {
}

////////////////////////////////////////////////////////////////////////////////
StringBuilderTest::~StringBuilderTest() {
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testDefaultConstructor() {
    StringBuilder builder;
    CPPUNIT_ASSERT_EQUAL(16, builder.capacity());
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testConstructorInt() {

    StringBuilder sb(24);
    CPPUNIT_ASSERT_EQUAL(24, sb.capacity());

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a NegativeArraySizeException",
        StringBuilder(-1),
        NegativeArraySizeException);

    CPPUNIT_ASSERT_NO_THROW(StringBuilder(0));
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testConstructorString() {

    StringBuilder sb("fixture");
    CPPUNIT_ASSERT_EQUAL(String("fixture"), sb.toString());
    CPPUNIT_ASSERT_EQUAL(String("fixture").length() + 16, sb.capacity());
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendBoolean() {

    StringBuilder sb;
    sb.append(true);
    CPPUNIT_ASSERT_EQUAL(String("true"), sb.toString());
    sb.setLength(0);
    sb.append(false);
    CPPUNIT_ASSERT_EQUAL(String("false"), sb.toString());
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendChar() {
    StringBuilder sb;
    sb.append('a');
    CPPUNIT_ASSERT_EQUAL(String("a"), sb.toString());
    sb.setLength(0);
    sb.append('b');
    CPPUNIT_ASSERT_EQUAL(String("b"), sb.toString());
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendCharArray() {

    StringBuilder sb;
    sb.append("ab");
    CPPUNIT_ASSERT_EQUAL(String("ab"), sb.toString());
    sb.setLength(0);
    sb.append("cd");
    CPPUNIT_ASSERT_EQUAL(String("cd"), sb.toString());

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a NullPointerException",
        sb.append((const char*) NULL),
        NullPointerException);
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendCharArrayIntInt() {

    StringBuilder sb;
    sb.append("ab", 0, 2);
    CPPUNIT_ASSERT_EQUAL(String("ab"), sb.toString());
    sb.setLength(0);
    sb.append("cd");
    CPPUNIT_ASSERT_EQUAL(String("cd"), sb.toString());

    sb.setLength(0);
    sb.append("abcd", 0, 2);
    CPPUNIT_ASSERT_EQUAL(String("ab"), sb.toString());

    sb.setLength(0);
    sb.append("abcd", 2, 2);
    CPPUNIT_ASSERT_EQUAL(String("cd"), sb.toString());

    sb.setLength(0);
    sb.append("abcd", 2, 0);
    CPPUNIT_ASSERT_EQUAL(String(""), sb.toString());

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a NullPointerException",
        sb.append((const char*) NULL, 0, 2),
        NullPointerException);

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a IndexOutOfBoundsException",
        sb.append("abcd", -1, 2),
        IndexOutOfBoundsException);

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a IndexOutOfBoundsException",
        sb.append("abcd", 0, -1),
        IndexOutOfBoundsException);

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a IndexOutOfBoundsException",
        sb.append("abcd", 2, 3),
        IndexOutOfBoundsException);
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendCharSequence() {

    String ab("ab");
    String cd("cd");

    StringBuilder sb;
    sb.append(&ab);
    CPPUNIT_ASSERT_EQUAL(String("ab"), sb.toString());
    sb.setLength(0);
    sb.append(&cd);
    CPPUNIT_ASSERT_EQUAL(String("cd"), sb.toString());
    sb.setLength(0);
    sb.append((CharSequence*) NULL);
    CPPUNIT_ASSERT_EQUAL(String("null"), sb.toString());
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendCharSequenceIntInt() {

    String ab("ab");
    String cd("cd");
    String abcd("abcd");

    StringBuilder sb;
    sb.append(&ab, 0, 2);
    CPPUNIT_ASSERT_EQUAL(String("ab"), sb.toString());
    sb.setLength(0);
    sb.append(&cd, 0, 2);
    CPPUNIT_ASSERT_EQUAL(String("cd"), sb.toString());
    sb.setLength(0);
    sb.append(&abcd, 0, 2);
    CPPUNIT_ASSERT_EQUAL(String("ab"), sb.toString());
    sb.setLength(0);
    sb.append(&abcd, 2, 4);
    CPPUNIT_ASSERT_EQUAL(String("cd"), sb.toString());
    sb.setLength(0);
    sb.append((CharSequence*) NULL, 0, 2);
    CPPUNIT_ASSERT_EQUAL(String("nu"), sb.toString());
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendShort() {

    short a = 1;
    short b = 0;
    short c = -1;

    StringBuilder sb;
    sb.append(a);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(a), sb.toString());
    sb.setLength(0);
    sb.append(0);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(b), sb.toString());
    sb.setLength(0);
    sb.append(c);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(c), sb.toString());
    sb.setLength(0);
    sb.append(Short::MIN_VALUE);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Short::MIN_VALUE), sb.toString());
    sb.setLength(0);
    sb.append(Short::MAX_VALUE);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Short::MAX_VALUE), sb.toString());
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendInt() {

    int a = 1;
    int b = 0;
    int c = -1;

    StringBuilder sb;
    sb.append(a);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(a), sb.toString());
    sb.setLength(0);
    sb.append(0);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(b), sb.toString());
    sb.setLength(0);
    sb.append(c);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(c), sb.toString());
    sb.setLength(0);
    sb.append(Integer::MIN_VALUE);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Integer::MIN_VALUE), sb.toString());
    sb.setLength(0);
    sb.append(Integer::MAX_VALUE);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Integer::MAX_VALUE), sb.toString());
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendLong() {
    StringBuilder sb;
    sb.append(1LL);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(1LL), sb.toString());
    sb.setLength(0);
    sb.append(0LL);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(0LL), sb.toString());
    sb.setLength(0);
    sb.append(-1LL);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(-1LL), sb.toString());
    sb.setLength(0);
    sb.append(Integer::MIN_VALUE);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Integer::MIN_VALUE), sb.toString());
    sb.setLength(0);
    sb.append(Integer::MAX_VALUE);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Integer::MAX_VALUE), sb.toString());
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendDouble() {
    StringBuilder sb;
    sb.append(1.0);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(1.0), sb.toString());
    sb.setLength(0);
    sb.append(0.0);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(0.0), sb.toString());
    sb.setLength(0);
    sb.append(-1.0);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(-1.0), sb.toString());
    sb.setLength(0);
    sb.append(Double::NaN);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Double::NaN), sb.toString());
    sb.setLength(0);
    sb.append(Double::NEGATIVE_INFINITY);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Double::NEGATIVE_INFINITY), sb.toString());
    sb.setLength(0);
    sb.append(Double::POSITIVE_INFINITY);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Double::POSITIVE_INFINITY), sb.toString());
    sb.setLength(0);
    sb.append(Double::MIN_VALUE);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Double::MIN_VALUE), sb.toString());
    sb.setLength(0);
    sb.append(Double::MAX_VALUE);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Double::MAX_VALUE), sb.toString());
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendFloat() {
    StringBuilder sb;
    sb.append(1.0f);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(1.0f), sb.toString());
    sb.setLength(0);
    sb.append(0.0f);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(0.0f), sb.toString());
    sb.setLength(0);
    sb.append(-1.0f);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(-1.0f), sb.toString());
    sb.setLength(0);
    sb.append(Float::NaN);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Float::NaN), sb.toString());
    sb.setLength(0);
    sb.append(Float::NEGATIVE_INFINITY);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Float::NEGATIVE_INFINITY), sb.toString());
    sb.setLength(0);
    sb.append(Float::POSITIVE_INFINITY);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Float::POSITIVE_INFINITY), sb.toString());
    sb.setLength(0);
    sb.append(Float::MIN_VALUE);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Float::MIN_VALUE), sb.toString());
    sb.setLength(0);
    sb.append(Float::MAX_VALUE);
    CPPUNIT_ASSERT_EQUAL(String::valueOf(Float::MAX_VALUE), sb.toString());
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendString() {
    StringBuilder sb;
    sb.append(String("ab"));
    CPPUNIT_ASSERT_EQUAL(String("ab"), sb.toString());
    sb.setLength(0);
    sb.append(String("cd"));
    CPPUNIT_ASSERT_EQUAL(String("cd"), sb.toString());
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendStringBuffer() {

    // TODO
//    StringBuilder sb;
//    sb.append(StringBuffer("ab"));
//    CPPUNIT_ASSERT_EQUAL(String("ab"), sb.toString());
//    sb.setLength(0);
//    sb.append(StringBuffer("cd"));
//    CPPUNIT_ASSERT_EQUAL(String("cd"), sb.toString());
}

////////////////////////////////////////////////////////////////////////////////
namespace {

    class MyObject {
    public:

        String toString() const {
            return "MyObject";
        }

    };

}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendRawPointer() {

    MyObject obj;
    StringBuilder sb;
    sb.append(&obj);
    CPPUNIT_ASSERT_EQUAL(String("MyObject"), sb.toString());
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testAppendPointer() {

    Pointer<MyObject> obj(new MyObject);
    StringBuilder sb;
    sb.append(obj);
    CPPUNIT_ASSERT_EQUAL(String("MyObject"), sb.toString());
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testCapacity() {
    StringBuilder sb;
    CPPUNIT_ASSERT_EQUAL(16, sb.capacity());
    sb.append("0123456789ABCDEF0123456789ABCDEF");
    CPPUNIT_ASSERT(sb.capacity() > 16);
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testCharAt() {

    String fixture = "0123456789";
    StringBuilder sb(fixture);

    for (int i = 0; i < fixture.length(); i++) {
        CPPUNIT_ASSERT_EQUAL((char) ('0' + i), sb.charAt(i));
    }

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a IndexOutOfBoundsException",
        sb.charAt(-1),
        IndexOutOfBoundsException);

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a IndexOutOfBoundsException",
        sb.charAt(fixture.length()),
        IndexOutOfBoundsException);

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a IndexOutOfBoundsException",
        sb.charAt(fixture.length() + 1),
        IndexOutOfBoundsException);
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testDeleteRange() {

    String fixture = "0123456789";
    StringBuilder sb(fixture);

    sb.deleteRange(0, 0);
    CPPUNIT_ASSERT_EQUAL(fixture, sb.toString());
    sb.deleteRange(5, 5);
    CPPUNIT_ASSERT_EQUAL(fixture, sb.toString());
    sb.deleteRange(0, 1);
    CPPUNIT_ASSERT_EQUAL(String("123456789"), sb.toString());
    CPPUNIT_ASSERT_EQUAL(9, sb.length());
    sb.deleteRange(0, sb.length());
    CPPUNIT_ASSERT_EQUAL(String(""), sb.toString());
    CPPUNIT_ASSERT_EQUAL(0, sb.length());

    {
        StringBuilder sb(fixture);
        sb.deleteRange(0, 11);
        CPPUNIT_ASSERT_EQUAL(String(""), sb.toString());
        CPPUNIT_ASSERT_EQUAL(0, sb.length());
    }

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a StringIndexOutOfBoundsException",
        StringBuilder(fixture).deleteRange(-1, 2),
        StringIndexOutOfBoundsException);

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a StringIndexOutOfBoundsException",
        StringBuilder(fixture).deleteRange(13, 12),
        StringIndexOutOfBoundsException);

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a StringIndexOutOfBoundsException",
        StringBuilder(fixture).deleteRange(11, 12),
        StringIndexOutOfBoundsException);

    {
        StringBuilder sb;
        sb.append("abcde");
        String str = sb.toString();
        sb.deleteRange(0, sb.length());
        sb.append("YY");
        CPPUNIT_ASSERT_EQUAL(String("abcde"), str);
        CPPUNIT_ASSERT_EQUAL(String("YY"), sb.toString());
    }
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testDeleteCharAt() {

    String fixture = "0123456789";
    StringBuilder sb(fixture);

    sb.deleteCharAt(0);
    CPPUNIT_ASSERT_EQUAL(String("123456789"), sb.toString());
    CPPUNIT_ASSERT_EQUAL(9, sb.length());
    {
        StringBuilder sb(fixture);
        sb.deleteCharAt(5);
        CPPUNIT_ASSERT_EQUAL(String("012346789"), sb.toString());
        CPPUNIT_ASSERT_EQUAL(9, sb.length());
    }
    {
        StringBuilder sb(fixture);
        sb.deleteCharAt(9);
        CPPUNIT_ASSERT_EQUAL(String("012345678"), sb.toString());
        CPPUNIT_ASSERT_EQUAL(9, sb.length());
    }

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a StringIndexOutOfBoundsException",
        StringBuilder(fixture).deleteCharAt(-1),
        StringIndexOutOfBoundsException);

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a StringIndexOutOfBoundsException",
        StringBuilder(fixture).deleteCharAt(fixture.length()),
        StringIndexOutOfBoundsException);

    CPPUNIT_ASSERT_THROW_MESSAGE(
        "Should have thrown a StringIndexOutOfBoundsException",
        StringBuilder(fixture).deleteCharAt(fixture.length() + 1),
        StringIndexOutOfBoundsException);
}

////////////////////////////////////////////////////////////////////////////////
void StringBuilderTest::testEnsureCapacity() {

    StringBuilder sb(5);
    CPPUNIT_ASSERT_EQUAL(5, sb.capacity());
    sb.ensureCapacity(10);
    CPPUNIT_ASSERT_EQUAL(12, sb.capacity());
    sb.ensureCapacity(26);
    CPPUNIT_ASSERT_EQUAL(26, sb.capacity());
    sb.ensureCapacity(55);
    CPPUNIT_ASSERT_EQUAL(55, sb.capacity());
}