1 files changed, 79 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/test-array.cc b/gfx/harfbuzz/src/test-array.cc
new file mode 100644
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+++ b/gfx/harfbuzz/src/test-array.cc
@@ -0,0 +1,79 @@
+/*
+ * Copyright © 2020  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include "hb.hh"
+#include "hb-array.hh"
+
+static void
+test_reverse ()
+{
+  int values[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
+  hb_array_t<int> a (values, 9);
+  a.reverse();
+
+  int expected_values[] = {9, 8, 7, 6, 5, 4, 3, 2, 1};
+  hb_array_t<int> expected (expected_values, 9);
+  assert (a == expected);
+}
+
+static void
+test_reverse_range ()
+{
+  int values[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
+  hb_array_t<int> a (values, 9);
+  a.reverse(2, 6);
+
+  int expected_values[] = {1, 2, 6, 5, 4, 3, 7, 8, 9};
+  hb_array_t<int> expected (expected_values, 9);
+  assert (a == expected);
+}
+
+static void
+test_reverse_invalid ()
+{
+  int values[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
+  hb_array_t<int> a (values, 9);
+
+  a.reverse(4, 3);
+  a.reverse(2, 3);
+  a.reverse(5, 5);
+  a.reverse(12, 15);
+
+  int expected_values[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
+  hb_array_t<int> expected (expected_values, 9);
+  assert (a == expected);
+}
+
+int
+main (int argc, char **argv)
+{
+  /* The following fails on MSVC. */
+  // assert (sizeof (hb_array_t<int>) == sizeof (hb_sorted_array_t<int>));
+
+  test_reverse ();
+  test_reverse_range ();
+  test_reverse_invalid ();
+}