From 3b265d0d0b5b35155aae9dce891a84b4b4e7cb60 Mon Sep 17 00:00:00 2001
From: Constantin Shalnev <c.shalnev@corp.mail.ru>
Date: Thu, 31 Dec 2015 12:55:46 +0300
Subject: [PATCH] Added dashes test

---
 map/style_tests/dashes_test.cpp | 43 +++++++++++++++++++++++++++++++++
 map/style_tests/style_tests.pro |  1 +
 2 files changed, 44 insertions(+)
 create mode 100644 map/style_tests/dashes_test.cpp

diff --git a/map/style_tests/dashes_test.cpp b/map/style_tests/dashes_test.cpp
new file mode 100644
index 0000000000..fd40cb4b92
--- /dev/null
+++ b/map/style_tests/dashes_test.cpp
@@ -0,0 +1,43 @@
+#include "testing/testing.hpp"
+
+#include "indexer/classificator_loader.hpp"
+#include "indexer/drawing_rules.hpp"
+#include "indexer/drules_struct.pb.h"
+#include "indexer/map_style_reader.hpp"
+
+namespace
+{
+double constexpr kMaxVisualScale = 4.;
+
+double constexpr kMaxDashLength = 128 / kMaxVisualScale;
+// Why 128? 7 bits are used to pack dash value (see stipple_pen_resource.cpp, StipplePenHandle::Init)
+// Max value, which can be packed in 7 bits, is 128.
+} // namespace
+
+UNIT_TEST(Test_Dashes)
+{
+  for (size_t s = 0; s < MapStyleCount; ++s)
+  {
+    MapStyle const mapStyle = static_cast<MapStyle>(s);
+
+    GetStyleReader().SetCurrentStyle(mapStyle);
+    classificator::Load();
+
+    drule::rules().ForEachRule([](int, int, int, drule::BaseRule const * rule)
+    {
+      LineDefProto const * const line = rule->GetLine();
+      if (nullptr == line || !line->has_dashdot())
+        return;
+
+      DashDotProto const & dd = line->dashdot();
+
+      int const n = dd.dd_size();
+      for (int i = 0; i < n; ++i)
+      {
+        double const value = dd.dd(i);
+        TEST_GREATER_OR_EQUAL(value, 0.0, ());
+        TEST_LESS_OR_EQUAL(value, kMaxDashLength, ());
+      }
+    });
+  }
+}
diff --git a/map/style_tests/style_tests.pro b/map/style_tests/style_tests.pro
index cb0af0e100..9a3953a04d 100644
--- a/map/style_tests/style_tests.pro
+++ b/map/style_tests/style_tests.pro
@@ -17,4 +17,5 @@ QT *= core
 SOURCES += \
   ../../testing/testingmain.cpp \
   classificator_tests.cpp \
+  dashes_test.cpp \
   style_symbols_consistency_test.cpp \