MysteriousPatternTest

import common.TestUtil;
import junit.framework.TestCase;

public class MysteriousPatternTest extends TestCase {

    public void testMysteriousPattern() throws Exception {
        final String systemOutput = TestUtil.captureSystemOut(() -> {
            MysteriousPattern.main(null);
        });
        assertEquals("Expected System output;", TestUtil.multipleLines(
                "35 28 21 14 7",
                "20 15 10 5",
                "9 5 3",
                "2 1",
                "0"),
                systemOutput);
    }

    public void testRaviShankarOjhaExample() throws Exception {
        final String systemOutput = TestUtil.captureSystemOut(() -> {
            RaviShankarOjhaExample.main(null);
        });
        assertEquals("Expected System output;", TestUtil.multipleLines(
                "35 28 21 14 7 ",
                "",
                "20 15 10 5 ",
                "",
                "9 6 3 ",    // but "9 5 3" must be "9 6 3"
                "",
                "2 1 ",
                "0 "),
                systemOutput);
    }

    public void testRaviShankarOjhaRefactoredExample() throws Exception {
        final String systemOutput = TestUtil.captureSystemOut(() -> {
            RaviShankarOjhaRefactored.main(null);
        });
        assertEquals("Expected System output;", TestUtil.multipleLines(
                "35 28 21 14 7 ",
                "20 15 10 5 ",
                "9 5 3 ",    // Might make more sense as "9 6 3"
                "2 1 ",
                "0 "),
                systemOutput);
    }


    public void testRaviShankarOjhaRefactored_printValues13() throws Exception {
        final String systemOutput = TestUtil.captureSystemOut(() -> {
            RaviShankarOjhaRefactored.printValues(13);
        });
        assertEquals("Expected System output;", TestUtil.multipleLines(
                "104 91 78 65 52 39 26 13 ",
                "77 66 55 44 33 22 11 ",
                "54 45 36 27 18 9 ",
                "35 28 21 14 7 ",
                "20 15 10 5 ",
                "9 5 3 ",    // Might make more sense as "9 6 3"
                "2 1 ",
                "0 "),
                systemOutput);
    }

    public void testRaviShankarOjhaRefactored_printValues11() throws Exception {
        final String systemOutput = TestUtil.captureSystemOut(() -> {
            RaviShankarOjhaRefactored.printValues(11);
        });
        assertEquals("Expected System output;", TestUtil.multipleLines(
                "77 66 55 44 33 22 11 ",
                "54 45 36 27 18 9 ",
                "35 28 21 14 7 ",
                "20 15 10 5 ",
                "9 5 3 ",    // Might make more sense as "9 6 3"
                "2 1 ",
                "0 "),
                systemOutput);
    }

    public void testRaviShankarOjhaRefactored_printValues9() throws Exception {
        final String systemOutput = TestUtil.captureSystemOut(() -> {
            RaviShankarOjhaRefactored.printValues(9);
        });
        assertEquals("Expected System output;", TestUtil.multipleLines(
                "54 45 36 27 18 9 ",
                "35 28 21 14 7 ",
                "20 15 10 5 ",
                "9 5 3 ",    // Might make more sense as "9 6 3"
                "2 1 ",
                "0 "),
                systemOutput);
    }

    public void testRaviShankarOjhaRefactored_printValues7() throws Exception {
        final String systemOutput = TestUtil.captureSystemOut(() -> {
            RaviShankarOjhaRefactored.printValues(7);
        });
        assertEquals("Expected System output;", TestUtil.multipleLines(
                "35 28 21 14 7 ",
                "20 15 10 5 ",
                "9 5 3 ",    // Might make more sense as "9 6 3"
                "2 1 ",
                "0 "),
                systemOutput);
    }

    public void testRaviShankarOjhaRefactored_printValues5() throws Exception {
        final String systemOutput = TestUtil.captureSystemOut(() -> {
            RaviShankarOjhaRefactored.printValues(5);
        });
        assertEquals("Expected System output;", TestUtil.multipleLines(
                "20 15 10 5 ",
                "9 5 3 ",    // Might make more sense as "9 6 3"
                "2 1 ",
                "0 "),
                systemOutput);
    }

    public void testRaviShankarOjhaRefactored_printValues3() throws Exception {
        final String systemOutput = TestUtil.captureSystemOut(() -> {
            RaviShankarOjhaRefactored.printValues(3);
        });
        assertEquals("Expected System output;", TestUtil.multipleLines(
                "9 5 3 ",    // Might make more sense as "9 6 3"
                "2 1 ",
                "0 "),
                systemOutput);
    }

    public void testRaviShankarOjhaRefactored_printValues1() throws Exception {
        final String systemOutput = TestUtil.captureSystemOut(() -> {
            RaviShankarOjhaRefactored.printValues(1);
        });
        assertEquals("Expected System output;", TestUtil.multipleLines(
                "2 1 ",
                "0 "),
                systemOutput);
    }

    public void testRaviShankarOjhaRefactored_printValues0() throws Exception {
        final String systemOutput = TestUtil.captureSystemOut(() -> {
            RaviShankarOjhaRefactored.printValues(0);
        });
        assertEquals("Expected System output;", TestUtil.multipleLines(
                "0 "),
                systemOutput);
    }

}