com.google.gxp.js.JavascriptAppenderTest.java Source code

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Here is the source code for com.google.gxp.js.JavascriptAppenderTest.java

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/*
 * Copyright (C) 2008 Google Inc.
 *
 * 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 com.google.gxp.js;

import com.google.gxp.testing.BaseFunctionalTestCase;

import org.json.JSONArray;
import org.json.JSONObject;

/**
 * Tests for {@code JavascriptAppender}.
 */
public class JavascriptAppenderTest extends BaseFunctionalTestCase {
    public void testPrimitives() throws Exception {
        // byte
        JavascriptAppender.INSTANCE.append(out, gxpContext, (byte) 10);
        assertOutputEquals("10");

        // short
        JavascriptAppender.INSTANCE.append(out, gxpContext, (short) 2048);
        assertOutputEquals("2048");

        // int
        JavascriptAppender.INSTANCE.append(out, gxpContext, -12345678);
        assertOutputEquals("-12345678");

        // long
        JavascriptAppender.INSTANCE.append(out, gxpContext, 16777216512L);
        assertOutputEquals("16777216512");

        // float
        JavascriptAppender.INSTANCE.append(out, gxpContext, 38.125f);
        assertOutputEquals("38.125");

        // double
        JavascriptAppender.INSTANCE.append(out, gxpContext, 938.05625d);
        assertOutputEquals("938.05625");

        // char
        JavascriptAppender.INSTANCE.append(out, gxpContext, 'a');
        assertOutputEquals("\"a\"");

        JavascriptAppender.INSTANCE.append(out, gxpContext, '"');
        assertOutputEquals("\"\\x22\"");

        JavascriptAppender.INSTANCE.append(out, gxpContext, '\'');
        assertOutputEquals("\"\\x27\"");

        // boolean
        JavascriptAppender.INSTANCE.append(out, gxpContext, true);
        assertOutputEquals("true");

        JavascriptAppender.INSTANCE.append(out, gxpContext, false);
        assertOutputEquals("false");
    }

    public void testWriteBoolean() throws Exception {
        JavascriptAppender.INSTANCE.append(out, gxpContext, Boolean.TRUE);
        assertOutputEquals("true");

        JavascriptAppender.INSTANCE.append(out, gxpContext, Boolean.FALSE);
        assertOutputEquals("false");
    }

    public void testWriteString() throws Exception {
        JavascriptAppender.INSTANCE.append(out, gxpContext, "foo ' bar \" baz");
        assertOutputEquals("\"foo \\x27 bar \\x22 baz\"");

        JavascriptAppender.INSTANCE.append(out, gxpContext, (CharSequence) null);
        assertOutputEquals("null");
    }

    public void testWriteJSONArray() throws Exception {
        JSONArray json = new JSONArray();
        json.put(1);
        json.put(true);
        json.put(2.2);
        json.put("foo");
        JavascriptAppender.INSTANCE.append(out, gxpContext, json);
        assertOutputEquals("[1,true,2.2,\"foo\"]");

        json = null;
        try {
            JavascriptAppender.INSTANCE.append(out, gxpContext, json);
            fail("expected NullPointerException");
        } catch (NullPointerException e) {
            // good
        }
    }

    public void testWriteJSONObject() throws Exception {
        JSONObject json = new JSONObject();
        json.put("k1", 1);
        json.put("k2", true);
        json.put("k3", 2.2);
        JavascriptAppender.INSTANCE.append(out, gxpContext, json);
        assertOutputEquals("{\"k3\":2.2,\"k1\":1,\"k2\":true}");

        json = null;
        try {
            JavascriptAppender.INSTANCE.append(out, gxpContext, json);
            fail("expected NullPointerException");
        } catch (NullPointerException e) {
            // good
        }
    }
}