cxx11.cc (main): Add new tests.

* testsuite/libstdc++-prettyprinters/cxx11.cc (main): Add new
	tests.
	* python/libstdcxx/v6/printers.py (Tr1HashtableIterator.__init__):
	Rewrite.
	(Tr1HashtableIterator.update): Remove.
	(Tr1HashtableIterator.next): Rewrite.

From-SVN: r184233

libstdc++-v3/ChangeLog

@@ -1,3 +1,12 @@
+2012-02-14  Tom Tromey  <tromey@redhat.com>
+
+	* testsuite/libstdc++-prettyprinters/cxx11.cc (main): Add new
+	tests.
+	* python/libstdcxx/v6/printers.py (Tr1HashtableIterator.__init__):
+	Rewrite.
+	(Tr1HashtableIterator.update): Remove.
+	(Tr1HashtableIterator.next): Rewrite.
+
 2012-02-13  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Adjust line numbers.

libstdc++-v3/python/libstdcxx/v6/printers.py

@@ -610,38 +610,18 @@ class StdStringPrinter:
 
 class Tr1HashtableIterator:
     def __init__ (self, hash):
-        self.count = 0
-        self.n_buckets = hash['_M_element_count']
-        if self.n_buckets == 0:
-            self.node = False
-        else:
-            self.bucket = hash['_M_buckets']
-            self.node = self.bucket[0]
-            self.update ()
+        self.node = hash['_M_before_begin']['_M_nxt']
+        self.node_type = find_type(hash.type, '_Node').pointer()
 
     def __iter__ (self):
         return self
 
-    def update (self):
-        # If we advanced off the end of the chain, move to the next
-        # bucket.
-        while self.node == 0:
-            self.bucket = self.bucket + 1
-            self.node = self.bucket[0]
-
-       # If we advanced off the end of the bucket array, then
-       # we're done.
-        if self.count == self.n_buckets:
-            self.node = False
-        else:
-            self.count = self.count + 1
-
     def next (self):
-        if not self.node:
+        if self.node == 0:
             raise StopIteration
-        result = self.node.dereference()['_M_v']
-        self.node = self.node.dereference()['_M_next']
-        self.update ()
+        node = self.node.cast(self.node_type)
+        result = node.dereference()['_M_v']
+        self.node = node.dereference()['_M_nxt']
         return result
 
 class Tr1UnorderedSetPrinter:

libstdc++-v3/testsuite/libstdc++-prettyprinters/cxx11.cc

@@ -1,7 +1,7 @@
 // { dg-do run }
 // { dg-options "-std=gnu++11 -g" }
 
-// Copyright (C) 2011 Free Software Foundation, Inc.
+// Copyright (C) 2011, 2012 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -68,6 +68,24 @@ main()
   std::unordered_multiset<int> eums;
 // { dg-final { note-test eums "std::unordered_multiset with 0 elements" } }
 
+  std::unordered_map<int, std::string> uom;
+  uom[5] = "three";
+  uom[3] = "seven";
+// { dg-final { note-test uom {std::unordered_map with 2 elements = {[3] = "seven", [5] = "three"}} } }
+
+  std::unordered_multimap<int, std::string> uomm;
+  uomm.insert(std::pair<int, std::string> (5, "three"));
+  uomm.insert(std::pair<int, std::string> (5, "seven"));
+// { dg-final { note-test uomm {std::unordered_multimap with 2 elements = {[5] = "seven", [5] = "three"}} } }
+
+  std::unordered_set<int> uos;
+  uos.insert(5);
+// { dg-final { note-test uos {std::unordered_set with 1 elements = {[0] = 5}} } }
+
+  std::unordered_multiset<int> uoms;
+  uoms.insert(5);
+// { dg-final { note-test uoms {std::unordered_multiset with 1 elements = {[0] = 5}} } }
+
   placeholder(""); // Mark SPOT
   use(efl);
   use(fl);