81 lines
2.3 KiB
Java
81 lines
2.3 KiB
Java
// annotations/AtUnitExample4.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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package annotations;
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import java.util.*;
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import onjava.atunit.*;
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import onjava.*;
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public class AtUnitExample4 {
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static String theory = "All brontosauruses " +
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"are thin at one end, much MUCH thicker in the " +
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"middle, and then thin again at the far end.";
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private String word;
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private Random rand = new Random(); // Time-based seed
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public AtUnitExample4(String word) { this.word = word; }
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public String getWord() { return word; }
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public String scrambleWord() {
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// <* Improve this: *>
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List<Character> chars = new ArrayList<>();
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for(Character c : word.toCharArray())
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chars.add(c);
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Collections.shuffle(chars, rand);
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StringBuilder result = new StringBuilder();
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for(char ch : chars)
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result.append(ch);
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return result.toString();
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}
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@TestProperty static List<String> input =
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Arrays.asList(theory.split(" "));
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@TestProperty
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static Iterator<String> words = input.iterator();
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@TestObjectCreate static AtUnitExample4 create() {
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if(words.hasNext())
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return new AtUnitExample4(words.next());
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else
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return null;
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}
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@Test boolean words() {
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System.out.println("'" + getWord() + "'");
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return getWord().equals("are");
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}
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@Test boolean scramble1() {
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// Change to a specific seed to get verifiable results:
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rand = new Random(47);
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System.out.println("'" + getWord() + "'");
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String scrambled = scrambleWord();
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System.out.println(scrambled);
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return scrambled.equals("lAl");
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}
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@Test boolean scramble2() {
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rand = new Random(74);
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System.out.println("'" + getWord() + "'");
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String scrambled = scrambleWord();
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System.out.println(scrambled);
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return scrambled.equals("tsaeborornussu");
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}
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public static void main(String[] args) throws Exception {
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System.out.println("starting");
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OSExecute.command("java -cp .. " +
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"onjava.atunit.AtUnit AtUnitExample4.class");
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}
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}
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/* Output:
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starting
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annotations.AtUnitExample4
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. words 'All'
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(failed)
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. scramble2 'brontosauruses'
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tsaeborornussu
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. scramble1 'are'
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rae
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(failed)
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(3 tests)
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>>> 2 FAILURES <<<
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annotations.AtUnitExample4: words
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annotations.AtUnitExample4: scramble1
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*/
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