Add H5Lexists wrappers

Description:
    Added wrappers H5Location::exists() for H5Lexists.
    Added new class LinkAccPropList to be used by H5Location::exists()
    Rearranged source files in Makefile.am
Platforms tested:
    Linux/32 2.6 (jam)
    Linux/64 (platypus)
    Darwin (osx1010test)

2 files changed, 14 insertions, 5 deletions

diff --git a/c++/test/tattr.cpp b/c++/test/tattr.cpp
index bb33b2b..70c4003 100644
--- a/c++/test/tattr.cpp
+++ b/c++/test/tattr.cpp
@@ -1561,11 +1561,20 @@ static void test_attr_exists()
         // Open a group.
         Group group = fid1.openGroup(GROUP1_NAME);
 
-        // Check for existence of attribute
+        // Check for existence of attribute, Group::attrExists
         attr_exists = group.attrExists(ATTR2_NAME);
         if (attr_exists == false)
             throw InvalidActionException("H5File::attrExists", "group, ATTR2_NAMEAttribute should exist but does not");
 
+        // Open attribute
+        Attribute attr = group.openAttribute(ATTR2_NAME);
+
+        // Test the existence of a name using attribute as location,
+        // Attribute::nameExists
+        bool name_exists = attr.nameExists(GROUP1_NAME);
+        if (name_exists == false)
+            throw InvalidActionException("Attribute::nameExists", "group GROUP1_NAME should exist but does not");
+
         PASSED();
     } // end try block
 
diff --git a/c++/test/tlinks.cpp b/c++/test/tlinks.cpp
index bb1ea17..0786bb5 100644
--- a/c++/test/tlinks.cpp
+++ b/c++/test/tlinks.cpp
@@ -422,10 +422,10 @@ static void test_basic_links(hid_t fapl_id, hbool_t new_format)
         H5File file(filename, H5F_ACC_RDWR, FileCreatPropList::DEFAULT, fapl);
 
         // Verify link existence
-        if(H5Lexists(file.getId(), "dset1", H5P_DEFAULT) != TRUE)
-            throw InvalidActionException("H5Lexists", "dset1 doesn't exist");
-        if(H5Lexists(file.getId(), "grp1/soft", H5P_DEFAULT) != TRUE)
-            throw InvalidActionException("H5Lexists", "grp1/soft doesn't exist");
+        if(file.nameExists("dset1", LinkAccPropList::DEFAULT) != TRUE)
+            throw InvalidActionException("H5File::nameExists", "dset1 doesn't exist");
+        if(file.nameExists("grp1/soft", LinkAccPropList::DEFAULT) != TRUE)
+            throw InvalidActionException("H5File::nameExists", "grp1/soft doesn't exist");
 
         // Verify link values
         H5std_string softlink_val = file.getLinkval("grp1/soft");