Soldatov tests

src/test/java/ru/odnoklassniki/ClassToBeTestedTests/TestGenerateIntSequence.java

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+package ru.odnoklassniki.ClassToBeTestedTests;
+
+import org.junit.Assert;
+import org.junit.Test;
+import ru.odnoklassniki.ClassToBeTested;
+
+import java.util.List;
+
+
+/**
+ * Created by Soldatov Artem as demotests
+ */
+
+public class TestGenerateIntSequence {
+
+        @Test
+        public void testSequenceGeneratedCorrectly() {
+                final int startNum = 21;
+                final int numCount = 3;
+                final List<Integer> sequence = ClassToBeTested.generateIntSequence(startNum, numCount);
+
+                Assert.assertNotNull(sequence);
+                Assert.assertEquals(3, sequence.size());
+                for (int i : sequence) {
+                        Assert.assertEquals(startNum+i,sequence.get(i).intValue());
+                }
+        }
+
+        @Test
+        public void testNullItemsCountExceptionThrown() {
+                try { ClassToBeTested.generateIntSequence(5, 0);
+                        Assert.fail("Method did not throw exception when second items count was 0");
+                } catch (IllegalArgumentException e) {
+                        Assert.assertEquals("itemsCount must be greater than 0", e.getMessage());
+                }
+
+        }
+
+        @Test
+        public void testMoreThenIntegerMaxValueSequenceGen() {
+                for (int i = 0; i <1; i++) {
+                        try { ClassToBeTested.generateIntSequence(i, Integer.MAX_VALUE);
+                                Assert.fail("Method did not throw exception when sum startingNumber and itemsCount more then Integer max value");
+                        } catch (IllegalArgumentException e) {
+                                Assert.assertEquals("can't generate an int greater than integer's max value", e.getMessage());
+                        }
+                }
+        }
+
+}

src/test/java/ru/odnoklassniki/ClassToBeTestedTests/TestSortStringsByLength.java

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+package ru.odnoklassniki.ClassToBeTestedTests;
+
+import org.junit.Assert;
+import org.junit.Test;
+import ru.odnoklassniki.ClassToBeTested;
+
+import java.util.List;
+
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.hamcrest.Matchers.contains;
+import static org.hamcrest.Matchers.hasSize;
+import static org.hamcrest.Matchers.notNullValue;
+import static org.hamcrest.core.AllOf.allOf;
+
+
+/**
+ * Created by Soldatov Artem as demotests
+ */
+
+public class TestSortStringsByLength {
+
+    @Test
+    public void testSortedListContainsCorrectLength() throws Exception{
+        final String str1 = "string01";
+        final String str2 = "string0123";
+        final List<String> sortedStrings = ClassToBeTested.sortStringsByLength(str1, str2);
+
+        Assert.assertThat(
+                "Некорретный размер коллекции",
+                sortedStrings,
+                allOf(
+                        notNullValue(),
+                        hasSize(equalTo(2))
+                )
+        );
+    }
+
+    @Test
+    public void testSortedListContainsFirstString() throws Exception{
+        final String str1 = "string1";
+        final String str2 = "string11";
+        final List<String> sortedStrings = ClassToBeTested.sortStringsByLength(str1, str2);
+
+        Assert.assertThat(
+                "Ответ не содержит первую строку",
+                sortedStrings,
+                contains(str1)
+        );
+    }
+}