1 files changed, 88 insertions, 0 deletions
diff --git a/container-search/src/test/java/com/yahoo/search/query/SortingTestCase.java b/container-search/src/test/java/com/yahoo/search/query/SortingTestCase.java
new file mode 100644
index 00000000000..e7a0c78aa88
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+++ b/container-search/src/test/java/com/yahoo/search/query/SortingTestCase.java
@@ -0,0 +1,88 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.search.query;
+
+import com.ibm.icu.lang.UScript;
+import com.ibm.icu.text.Collator;
+import com.ibm.icu.text.RuleBasedCollator;
+import com.ibm.icu.util.ULocale;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.util.Arrays;
+
+import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * @author balder
+ */
+public class SortingTestCase {
+    @Test
+    public void validAttributeName() {
+        assertNotNull(Sorting.fromString("a"));
+        assertNotNull(Sorting.fromString("_a"));
+        assertNotNull(Sorting.fromString("+a"));
+        assertNotNull(Sorting.fromString("-a"));
+        assertNotNull(Sorting.fromString("a.b"));
+        try {
+            assertNotNull(Sorting.fromString("-1"));
+            fail("'-1' should not be allowed as attribute name.");
+        } catch (IllegalArgumentException e) {
+            assertEquals(e.getMessage(), "Illegal attribute name '1' for sorting. Requires '[\\[]*[a-zA-Z_][\\.a-zA-Z0-9_-]*[\\]]*'");
+        } catch (Exception e) {
+            fail("I only expect 'IllegalArgumentException', not: + " + e.toString());
+        }
+    }
+    @Test
+    public void requireThatChineseSortCorrect() {
+        requireThatChineseHasCorrectRules(Collator.getInstance(new ULocale("zh")));
+        Sorting ch = Sorting.fromString("uca(a,zh)");
+        assertEquals(1, ch.fieldOrders().size());
+        Sorting.FieldOrder fo = ch.fieldOrders().get(0);
+        assertTrue(fo.getSorter() instanceof Sorting.UcaSorter);
+        Sorting.UcaSorter uca = (Sorting.UcaSorter) fo.getSorter();
+        requireThatChineseHasCorrectRules(uca.getCollator());
+        Sorting.AttributeSorter sorter = fo.getSorter();
+        assertTrue(sorter.compare("a", "b") < 0);
+        assertTrue(sorter.compare("a", "a\u81EA") < 0);
+        assertTrue(sorter.compare("\u81EA", "a") < 0);
+    }
+
+    private void requireThatArabicHasCorrectRules(Collator col) {
+        final int reorderCodes [] = {UScript.ARABIC};
+        assertEquals("6.2.0.0", col.getUCAVersion().toString());
+        assertEquals("58.0.0.6", col.getVersion().toString());
+        assertEquals(Arrays.toString(reorderCodes), Arrays.toString(col.getReorderCodes()));
+        assertTrue(col.compare("a", "b") < 0);
+        assertTrue(col.compare("a", "aس") < 0);
+        assertFalse(col.compare("س", "a") < 0);
+
+        assertEquals(" [reorder Arab]&ت<<ة<<<ﺔ<<<ﺓ&ي<<ى<<<ﯨ<<<ﯩ<<<ﻰ<<<ﻯ<<<ﲐ<<<ﱝ", ((RuleBasedCollator) col).getRules());
+        assertFalse(col.compare("س", "a") < 0);
+    }
+
+    private void requireThatChineseHasCorrectRules(Collator col) {
+        final int reorderCodes [] = {UScript.HAN};
+        assertEquals("8.0.0.0", col.getUCAVersion().toString());
+        assertEquals("153.64.29.0", col.getVersion().toString());
+        assertEquals(Arrays.toString(reorderCodes), Arrays.toString(col.getReorderCodes()));
+
+        assertNotEquals("", ((RuleBasedCollator) col).getRules());
+    }
+    @Test
+    @Ignore
+    public void requireThatArabicSortCorrect() {
+        requireThatArabicHasCorrectRules(Collator.getInstance(new ULocale("ar")));
+        Sorting ar = Sorting.fromString("uca(a,ar)");
+        assertEquals(1, ar.fieldOrders().size());
+        Sorting.FieldOrder fo = ar.fieldOrders().get(0);
+        assertTrue(fo.getSorter() instanceof Sorting.UcaSorter);
+        Sorting.UcaSorter uca = (Sorting.UcaSorter) fo.getSorter();
+        requireThatArabicHasCorrectRules(uca.getCollator());
+        Sorting.AttributeSorter sorter = fo.getSorter();
+        assertTrue(sorter.compare("a", "b") < 0);
+        assertTrue(sorter.compare("a", "aس") < 0);
+        assertTrue(sorter.compare("س", "a") < 0);
+    }
+
+}