fix collada unittests.

code/AssetLib/Collada/ColladaParser.cpp

@@ -404,6 +404,10 @@ void ColladaParser::PostProcessControllers() {
     std::string meshId;
     for (ControllerLibrary::iterator it = mControllerLibrary.begin(); it != mControllerLibrary.end(); ++it) {
         meshId = it->second.mMeshId;
+        if (meshId.empty()) {
+            break;
+        }
+
         ControllerLibrary::iterator findItr = mControllerLibrary.find(meshId);
         while (findItr != mControllerLibrary.end()) {
             meshId = findItr->second.mMeshId;
@@ -1404,6 +1408,7 @@ void ColladaParser::ReadDataArray(XmlNode &node) {
     XmlParser::getUIntAttribute(node, "count", count);
     std::string v;
     XmlParser::getValueAsString(node, v);
+    trim(v);
     const char *content = v.c_str();
 
     // read values and store inside an array in the data library
@@ -1437,6 +1442,7 @@ void ColladaParser::ReadDataArray(XmlNode &node) {
 
                 ai_real value;
                 // read a number
+                //SkipSpacesAndLineEnd(&content);
                 content = fast_atoreal_move<ai_real>(content, value);
                 data.mValues.push_back(value);
                 // skip whitespace after it

include/assimp/StringUtils.h

@@ -52,6 +52,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <sstream>
 #include <stdarg.h>
 #include <cstdlib>
+#include <algorithm> 
+#include <cctype>
+#include <locale>
 
 ///	@fn		ai_snprintf
 ///	@brief	The portable version of the function snprintf ( C99 standard ), which works on visual studio compilers 2013 and earlier.
@@ -162,4 +165,22 @@ AI_FORCE_INLINE std::string Rgba2Hex(int r, int g, int b, int a, bool with_head)
     return ss.str();
 }
 
+inline void ltrim(std::string &s) {
+    s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](unsigned char ch) {
+        return !std::isspace(ch);
+    }));
+}
+
+// trim from end (in place)
+inline void rtrim(std::string &s) {
+    s.erase(std::find_if(s.rbegin(), s.rend(), [](unsigned char ch) {
+        return !std::isspace(ch);
+    }).base(), s.end());
+}
+
+// trim from both ends (in place)
+inline void trim(std::string &s) {
+    ltrim(s);
+    rtrim(s);
+}
 #endif // INCLUDED_AI_STRINGUTILS_H

test/unit/utColladaExport.cpp

@@ -47,6 +47,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <assimp/Exporter.hpp>
 #include <assimp/Importer.hpp>
 
+#include <array>
+
 #ifndef ASSIMP_BUILD_NO_EXPORT
 
 class utColladaExport : public ::testing::Test {
@@ -77,6 +79,7 @@ TEST_F(utColladaExport, testExportCamera) {
 
     EXPECT_EQ(AI_SUCCESS, ex->Export(pTest, "collada", file));
     const unsigned int origNumCams(pTest->mNumCameras);
+    //std::vector<float> origFOV;
     std::unique_ptr<float[]> origFOV(new float[origNumCams]);
     std::unique_ptr<float[]> orifClipPlaneNear(new float[origNumCams]);
     std::unique_ptr<float[]> orifClipPlaneFar(new float[origNumCams]);