test: Add ComposeKeyTest

test/juloo.keyboard2/ComposeKeyTest.java

@@ -0,0 +1,63 @@
+package juloo.keyboard2;
+
+import juloo.keyboard2.ComposeKey;
+import juloo.keyboard2.ComposeKeyData;
+import juloo.keyboard2.KeyValue;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+public class ComposeKeyTest
+{
+  public ComposeKeyTest() {}
+
+  @Test
+  public void composeEquals() throws Exception
+  {
+    // From Compose.pre
+    assertEquals(apply("'e"), KeyValue.makeStringKey("é"));
+    assertEquals(apply("e'"), KeyValue.makeStringKey("é"));
+    // From extra.json
+    assertEquals(apply("Vc"), KeyValue.makeStringKey("Č"));
+    assertEquals(apply("\\n"), KeyValue.getKeyByName("\\n"));
+    // From arabic.json
+    assertEquals(apply("اا"), KeyValue.getKeyByName("combining_alef_above"));
+    assertEquals(apply("ل۷"), KeyValue.makeStringKey("ڵ"));
+    assertEquals(apply("۷ل"), KeyValue.makeStringKey("ڵ"));
+    // From cyrillic.json
+    assertEquals(apply(",г"), KeyValue.makeStringKey("ӻ"));
+    assertEquals(apply("г,"), KeyValue.makeStringKey("ӻ"));
+    assertEquals(apply("ач"), KeyValue.getKeyByName("combining_aigu"));
+  }
+
+  @Test
+  public void fnEquals() throws Exception
+  {
+    int state = ComposeKeyData.fn;
+    assertEquals(apply("<", state), KeyValue.makeStringKey("«"));
+    assertEquals(apply("{", state), KeyValue.makeStringKey("‹"));
+    // Named key
+    assertEquals(apply("1", state), KeyValue.getKeyByName("f1"));
+    assertEquals(apply(" ", state), KeyValue.getKeyByName("nbsp"));
+    // Named 1-char key
+    assertEquals(apply("ய", state), KeyValue.makeStringKey("௰", KeyValue.FLAG_SMALLER_FONT));
+  }
+
+  KeyValue apply(String seq) throws Exception
+  {
+    return apply(seq, ComposeKeyData.compose);
+  }
+
+  KeyValue apply(String seq, int state) throws Exception
+  {
+    KeyValue r = null;
+    for (int i = 0; i < seq.length(); i++)
+    {
+      r = ComposeKey.apply(state, seq.charAt(i));
+      if (r.getKind() == KeyValue.Kind.Compose_pending)
+        state = r.getPendingCompose();
+      else if (i + 1 < seq.length())
+        throw new Exception("Sequence too long: " + seq);
+    }
+    return r;
+  }
+}