Add unit test.

scim2-sdk-common/src/test/java/com/unboundid/scim2/common/StaticUtilsTest.java

@@ -0,0 +1,69 @@
+package com.unboundid.scim2.common;
+
+import org.testng.annotations.Test;
+
+import static com.unboundid.scim2.common.utils.StaticUtils.splitCommaSeparatedString;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+public class StaticUtilsTest
+{
+  @Test
+  public void testSplitCommaSeparatedString()
+  {
+    // Ensure that the @NotNull parameter is not permitted.
+    assertThatThrownBy(() -> splitCommaSeparatedString(null))
+        .isInstanceOf(NullPointerException.class);
+
+    assertThat(splitCommaSeparatedString("value"))
+        .containsExactly("value");
+
+    assertThat(splitCommaSeparatedString(" value"))
+        .containsExactly("value");
+
+    assertThat(splitCommaSeparatedString("value "))
+        .containsExactly("value");
+
+    assertThat(splitCommaSeparatedString(" value "))
+        .containsExactly("value");
+
+    assertThat(splitCommaSeparatedString("  value  "))
+        .containsExactly("value");
+
+    assertThat(splitCommaSeparatedString("\tvalue\t"))
+        .containsExactly("value");
+
+    assertThat(splitCommaSeparatedString("value1,value2"))
+        .containsExactly("value1", "value2");
+
+    assertThat(splitCommaSeparatedString(" value1,value2"))
+        .containsExactly("value1", "value2");
+
+    assertThat(splitCommaSeparatedString("value1 ,value2"))
+        .containsExactly("value1", "value2");
+
+    assertThat(splitCommaSeparatedString("value1, value2"))
+        .containsExactly("value1", "value2");
+
+    assertThat(splitCommaSeparatedString("value1,value2 "))
+        .containsExactly("value1", "value2");
+
+    assertThat(splitCommaSeparatedString(" value1 , value2 "))
+        .containsExactly("value1", "value2");
+
+    assertThat(splitCommaSeparatedString("value1 , value2 , value3"))
+        .containsExactly("value1", "value2", "value3");
+
+    assertThat(splitCommaSeparatedString("   value1 , value2 , value3  "))
+        .containsExactly("value1", "value2", "value3");
+
+    assertThat(splitCommaSeparatedString(","))
+        .isEmpty();
+
+    assertThat(splitCommaSeparatedString(",,"))
+        .isEmpty();
+
+    assertThat(splitCommaSeparatedString("   value1 ,    , value3  "))
+        .containsExactly("value1", "", "value3");
+  }
+}