GTest unit testing framework

Currently covers only small set of functionality.

3 files changed, 162 insertions, 0 deletions

diff --git a/tests/gtests/testing/CMakeLists.txt b/tests/gtests/testing/CMakeLists.txt
new file mode 100644
index 00000000000..93a3049efd8
--- /dev/null
+++ b/tests/gtests/testing/CMakeLists.txt
@@ -0,0 +1,48 @@
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# The Original Code is Copyright (C) 2014, Blender Foundation
+# All rights reserved.
+#
+# Contributor(s): Sergey Sharybin
+#
+# ***** END GPL LICENSE BLOCK *****
+
+set(INC
+	.
+	../
+	../../../extern/libmv/third_party/gflags
+	../../../extern/gtest/include
+)
+
+if(WIN32)
+	list(APPEND INC
+		../../../extern/libmv/third_party/glog/src/windows
+	)
+else()
+	list(APPEND INC
+		../../../extern/libmv/third_party/glog/src
+	)
+endif()
+
+set(INC_SYS
+)
+
+set(SRC
+	testing_main.cc
+)
+
+blender_add_lib(bf_testing_main "${SRC}" "${INC}" "${INC_SYS}")
diff --git a/tests/gtests/testing/testing.h b/tests/gtests/testing/testing.h
new file mode 100644
index 00000000000..9083654f1d5
--- /dev/null
+++ b/tests/gtests/testing/testing.h
@@ -0,0 +1,78 @@
+#ifndef __BLENDER_TESTING_H__
+#define __BLENDER_TESTING_H__
+
+#include "glog/logging.h"
+#include "gflags/gflags.h"
+#include "gtest/gtest.h"
+
+#define EXPECT_V3_NEAR(a, b, eps) \
+  { \
+    EXPECT_NEAR(a[0], b[0], eps); \
+    EXPECT_NEAR(a[1], b[1], eps); \
+    EXPECT_NEAR(a[2], b[2], eps); \
+  } (void) 0
+
+#define EXPECT_MATRIX_NEAR(a, b, tolerance) \
+do { \
+  bool dims_match = (a.rows() == b.rows()) && (a.cols() == b.cols()); \
+  EXPECT_EQ(a.rows(), b.rows()) << "Matrix rows don't match."; \
+  EXPECT_EQ(a.cols(), b.cols()) << "Matrix cols don't match."; \
+  if (dims_match) { \
+    for (int r = 0; r < a.rows(); ++r) { \
+      for (int c = 0; c < a.cols(); ++c) { \
+        EXPECT_NEAR(a(r, c), b(r, c), tolerance) \
+          << "r=" << r << ", c=" << c << "."; \
+      } \
+    } \
+  } \
+} while(false);
+
+#define EXPECT_MATRIX_NEAR_ZERO(a, tolerance) \
+do { \
+  for (int r = 0; r < a.rows(); ++r) { \
+    for (int c = 0; c < a.cols(); ++c) { \
+      EXPECT_NEAR(0.0, a(r, c), tolerance) \
+        << "r=" << r << ", c=" << c << "."; \
+    } \
+  } \
+} while(false);
+
+#define EXPECT_MATRIX_EQ(a, b) \
+do { \
+  bool dims_match = (a.rows() == b.rows()) && (a.cols() == b.cols()); \
+  EXPECT_EQ(a.rows(), b.rows()) << "Matrix rows don't match."; \
+  EXPECT_EQ(a.cols(), b.cols()) << "Matrix cols don't match."; \
+  if (dims_match) { \
+    for (int r = 0; r < a.rows(); ++r) { \
+      for (int c = 0; c < a.cols(); ++c) { \
+        EXPECT_EQ(a(r, c), b(r, c)) \
+          << "r=" << r << ", c=" << c << "."; \
+      } \
+    } \
+  } \
+} while(false);
+
+// Check that sin(angle(a, b)) < tolerance.
+#define EXPECT_MATRIX_PROP(a, b, tolerance) \
+do { \
+  bool dims_match = (a.rows() == b.rows()) && (a.cols() == b.cols()); \
+  EXPECT_EQ(a.rows(), b.rows()) << "Matrix rows don't match."; \
+  EXPECT_EQ(a.cols(), b.cols()) << "Matrix cols don't match."; \
+  if (dims_match) { \
+    double c = CosinusBetweenMatrices(a, b); \
+    if (c * c < 1) { \
+      double s = sqrt(1 - c * c); \
+      EXPECT_NEAR(0, s, tolerance); \
+    } \
+  } \
+} while(false);
+
+#ifdef LIBMV_NUMERIC_NUMERIC_H
+template<class TMat>
+double CosinusBetweenMatrices(const TMat &a, const TMat &b) {
+  return (a.array() * b.array()).sum() /
+      libmv::FrobeniusNorm(a) / libmv::FrobeniusNorm(b);
+}
+#endif
+
+#endif  // __BLENDER_TESTING_H__
diff --git a/tests/gtests/testing/testing_main.cc b/tests/gtests/testing/testing_main.cc
new file mode 100644
index 00000000000..ef8e743b642
--- /dev/null
+++ b/tests/gtests/testing/testing_main.cc
@@ -0,0 +1,36 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2014 Blender Foundation.
+ * All rights reserved.
+ *
+ * Contributor(s): Blender Foundation,
+ *                 Sergey Sharybin
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#include "testing/testing.h"
+
+int main(int argc, char **argv) {
+  testing::InitGoogleTest(&argc, argv);
+  google::ParseCommandLineFlags(&argc, &argv, true);
+  google::InitGoogleLogging(argv[0]);
+
+  return RUN_ALL_TESTS();
+}
+