From 8c820ca8f9da625084f94dc9b80bb936f2c7aa8a Mon Sep 17 00:00:00 2001
From: vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb>
Date: Thu, 19 Mar 2015 12:19:22 +0000
Subject: Add of bottleneck functionnality

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/bottleneckDistance@492 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: 68ecf70a07641fea7106a17bbbf45404747834cc
---
 src/Bottleneck/test/CMakeLists.txt           | 21 +++++++++++++++++++++
 src/Bottleneck/test/README                   | 12 ++++++++++++
 src/Bottleneck/test/bottleneck_unit_test.cpp | 26 ++++++++++++++++++++++++++
 3 files changed, 59 insertions(+)
 create mode 100644 src/Bottleneck/test/CMakeLists.txt
 create mode 100644 src/Bottleneck/test/README
 create mode 100644 src/Bottleneck/test/bottleneck_unit_test.cpp

(limited to 'src/Bottleneck/test')

diff --git a/src/Bottleneck/test/CMakeLists.txt b/src/Bottleneck/test/CMakeLists.txt
new file mode 100644
index 00000000..7044372e
--- /dev/null
+++ b/src/Bottleneck/test/CMakeLists.txt
@@ -0,0 +1,21 @@
+cmake_minimum_required(VERSION 2.6)
+project(GUDHIBottleneckUnitTest)
+
+if(NOT MSVC)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --coverage")
+  set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} --coverage")	
+  set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} --coverage")
+endif()
+
+add_executable ( BottleneckUnitTest bottleneck_unit_test.cpp )
+target_link_libraries(BottleneckUnitTest ${Boost_SYSTEM_LIBRARY} ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})
+
+# Unitary tests
+add_test(BottleneckUnitTest ${CMAKE_CURRENT_BINARY_DIR}/BottleneckUnitTest)
+
+if (LCOV_PATH)
+  # Lcov code coverage of unitary test
+  add_test(src/Bottleneck/lcov/coverage.log ${CMAKE_SOURCE_DIR}/scripts/check_code_coverage.sh ${CMAKE_SOURCE_DIR}/src/Bottleneck)
+endif()
+
+cpplint_add_tests("${CMAKE_SOURCE_DIR}/src/Bottleneck/include/gudhi")
diff --git a/src/Bottleneck/test/README b/src/Bottleneck/test/README
new file mode 100644
index 00000000..0e7b8673
--- /dev/null
+++ b/src/Bottleneck/test/README
@@ -0,0 +1,12 @@
+To compile:
+***********
+
+cmake .
+make
+
+To launch with details:
+***********************
+
+./BottleneckUnitTest --report_level=detailed --log_level=all 
+
+   ==> echo $? returns 0 in case of success (non-zero otherwise)
diff --git a/src/Bottleneck/test/bottleneck_unit_test.cpp b/src/Bottleneck/test/bottleneck_unit_test.cpp
new file mode 100644
index 00000000..068b8690
--- /dev/null
+++ b/src/Bottleneck/test/bottleneck_unit_test.cpp
@@ -0,0 +1,26 @@
+#define BOOST_TEST_MODULE bottleneck test
+
+#include <boost/test/included/unit_test.hpp>
+
+#include "gudhi/Graph_matching.h"
+#include <iostream>
+
+using namespace Gudhi::bottleneck;
+
+BOOST_AUTO_TEST_CASE(random_diagrams) {
+  int n = 100;
+  // Random construction
+  std::vector< std::pair<double, double> > v1, v2;
+  for (int i = 0; i < n; i++) {
+    int a = rand() % n;
+    v1.emplace_back(a, a + rand() % (n - a));
+    int b = rand() % n;
+    v2.emplace_back(b, b + rand() % (n - b));
+  }
+  // v1 and v2 are persistence diagrams containing each 100 randoms points.
+  double b = bottleneck_distance(v1, v2, 0);
+  //
+  std::cout << b << std::endl;
+  const double EXPECTED_DISTANCE = 98.5;
+  BOOST_CHECK(b == EXPECTED_DISTANCE);
+}
-- 
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