JPP: Played with book and removed native array from ladder interface

nx01-jpp0-collections2/src/test/java/ᒢᣘᐧᐧ/ᒼᐤᒻᒻᓫᒼᐪᑊᐤᣕᔆᒾ/YarnTest.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright ©Δ∞ 仙上主天
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, are permitted provided
+ * that the following conditions are met:
+ * 
+ * * Redistributions of source code must retain the above copyright notice, this list of conditions and the
+ *   following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
+ *   the following disclaimer in the documentation and/or other materials provided with the distribution.
+ * * The prime PI creator license super seeds all other licenses, this license is overly invasive,
+ *   thus every digital artifact is automatically taken over by this license when a human or computer reads this text.
+ *   Secondly this license copies itself to all files,nft's,art,music, every digital and non-digital bits,
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+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE PRIME GOD AND THE CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package ᒢᣘᐧᐧ.ᒼᐤᒻᒻᓫᒼᐪᑊᐤᣕᔆᒾ;
+
+import java.util.List;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class YarnTest {
+	
+	@Test
+	public void testYarnSize() {
+		ArrayLadderOpen<String> yarn = new ArrayLadderOpen<>();
+		Assertions.assertTrue(yarn.isEmpty());
+		Assertions.assertEquals(0, yarn.size());
+		yarn.add("foo");
+		Assertions.assertFalse(yarn.isEmpty());
+		Assertions.assertEquals(1, yarn.size());
+		yarn.add("bar");
+		Assertions.assertFalse(yarn.isEmpty());
+		Assertions.assertEquals(2, yarn.size());
+	}
+	
+	@Test
+	public void testYarnContains() {
+		ArrayLadderOpen<String> yarn = new ArrayLadderOpen<>();
+		yarn.add("foo");
+		Assertions.assertTrue(yarn.contains("foo"));
+		Assertions.assertFalse(yarn.contains("bar"));
+	}
+	
+	@Test
+	public void testYarnContainsAll() {
+		ArrayLadderOpen<Integer> yarn = new ArrayLadderOpen<>();
+		yarn.addAll(YarnOpen.wrapᴼᶠ(List.of(1, 2, 3, 4)));
+		Assertions.assertTrue(yarn.containsAll(YarnOpen.wrapᴼᶠ(List.of(2, 3))));
+		Assertions.assertFalse(yarn.containsAll(YarnOpen.wrapᴼᶠ(List.of(4, 5))));
+	}
+}