android/testSrc/com/android/tools/idea/templates/FmTruncateStringMethodTest.java

/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * 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.android.tools.idea.templates;

import freemarker.template.SimpleNumber;
import freemarker.template.SimpleScalar;
import freemarker.template.TemplateModelException;
import junit.framework.TestCase;

import java.util.Arrays;
import java.util.List;

public class FmTruncateStringMethodTest extends TestCase {
  @SuppressWarnings("rawtypes")
  private static void check(String s, int max, String expected) throws TemplateModelException {
    FmTruncateStringMethod method = new FmTruncateStringMethod();
    List list = Arrays.asList(new SimpleScalar(s), new SimpleNumber(max));
    assertEquals(expected, ((SimpleScalar)method.exec(list)).getAsString());
  }

  public void test0() throws Exception {
    check("", 0, "");
  }

  public void test1() throws Exception {
    check("", 100, "");
  }

  public void test2() throws Exception {
    check("abc", 3, "abc");
  }

  public void test3() throws Exception {
    check("abc", 2, "ab");
  }

  public void test4() throws Exception {
    check("abc", 4, "abc");
  }
}