add harfbuzz library

libs/harfbuzz/src/test-vector.cc

@@ -0,0 +1,167 @@
+/*
+ * Copyright © 2021  Behdad Esfahbod
+ *
+ *  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.
+ *
+ */
+
+#include "hb.hh"
+#include "hb-vector.hh"
+#include "hb-set.hh"
+#include <string>
+
+
+int
+main (int argc, char **argv)
+{
+
+  /* Test copy constructor. */
+  {
+    hb_vector_t<int> v1 {1, 2};
+    hb_vector_t<int> v2 {v1};
+    hb_vector_t<int> V2 {v1};
+    assert (v1.length == 2);
+    assert (v1[0] == 1);
+    assert (v1[1] == 2);
+    assert (v2.length == 2);
+    assert (v2[0] == 1);
+    assert (v2[1] == 2);
+  }
+
+  /* Test copy assignment. */
+  {
+    hb_vector_t<int> v1 {1, 2};
+    hb_vector_t<int> v2 = v1;
+    hb_vector_t<int> V2 = v1;
+    assert (v1.length == 2);
+    assert (v1[0] == 1);
+    assert (v1[1] == 2);
+    assert (v2.length == 2);
+    assert (v2[0] == 1);
+    assert (v2[1] == 2);
+  }
+
+  /* Test move constructor. */
+  {
+    hb_vector_t<int> s {1, 2};
+    hb_sorted_vector_t<int> S {1, 2};
+    hb_vector_t<int> v (std::move (s));
+    hb_sorted_vector_t<int> V (std::move (S));
+    assert (s.length == 0);
+    assert (S.length == 0);
+    assert (v.length == 2);
+    assert (v[0] == 1);
+    assert (v[1] == 2);
+  }
+
+  /* Test move assignment. */
+  {
+    hb_vector_t<int> s {1, 2};
+    hb_sorted_vector_t<int> S {1, 2};
+    hb_vector_t<int> v;
+    hb_sorted_vector_t<int> V;
+    v = std::move (s);
+    V = std::move (S);
+    assert (s.length == 0);
+    assert (S.length == 0);
+    assert (v.length == 2);
+    assert (V.length == 2);
+    assert (v[0] == 1);
+    assert (v[1] == 2);
+  }
+
+  /* Test initializing from iterable. */
+  {
+    hb_set_t s;
+
+    s.add (18);
+    s.add (12);
+
+    hb_vector_t<int> v (s);
+    hb_sorted_vector_t<int> V (s);
+
+    assert (v.length == 2);
+    assert (V.length == 2);
+    assert (v[0] == 12);
+    assert (V[0] == 12);
+    assert (v[1] == 18);
+    assert (V[1] == 18);
+  }
+
+  /* Test initializing from iterator. */
+  {
+    hb_set_t s;
+
+    s.add (18);
+    s.add (12);
+
+    hb_vector_t<int> v (hb_iter (s));
+    hb_vector_t<int> V (hb_iter (s));
+
+    assert (v.length == 2);
+    assert (V.length == 2);
+    assert (v[0] == 12);
+    assert (V[0] == 12);
+    assert (v[1] == 18);
+    assert (V[1] == 18);
+  }
+
+  /* Test initializing from initializer list and swapping. */
+  {
+    hb_vector_t<int> v1 {1, 2, 3};
+    hb_vector_t<int> v2 {4, 5};
+    hb_swap (v1, v2);
+    assert (v1.length == 2);
+    assert (v1[0] == 4);
+    assert (v2.length == 3);
+    assert (v2[2] == 3);
+  }
+
+  /* Test initializing sorted-vector from initializer list and swapping. */
+  {
+    hb_sorted_vector_t<int> v1 {1, 2, 3};
+    hb_sorted_vector_t<int> v2 {4, 5};
+    hb_swap (v1, v2);
+    assert (v1.length == 2);
+    assert (v1[0] == 4);
+    assert (v2.length == 3);
+    assert (v2[2] == 3);
+  }
+
+  {
+    hb_vector_t<std::string> v;
+
+    std::string s;
+    for (unsigned i = 1; i < 100; i++)
+    {
+      s += "x";
+      v.push (s);
+    }
+
+    hb_vector_t<std::string> v2;
+
+    v2 = v;
+
+    v2.remove (50);
+  }
+
+  return 0;
+}