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diff --git a/src/third_party/wiredtiger/test/suite/test_nsnap02.py b/src/third_party/wiredtiger/test/suite/test_nsnap02.py
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+++ b/src/third_party/wiredtiger/test/suite/test_nsnap02.py
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+#!/usr/bin/env python
+#
+# Public Domain 2014-2016 MongoDB, Inc.
+# Public Domain 2008-2014 WiredTiger, Inc.
+#
+# This is free and unencumbered software released into the public domain.
+#
+# Anyone is free to copy, modify, publish, use, compile, sell, or
+# distribute this software, either in source code form or as a compiled
+# binary, for any purpose, commercial or non-commercial, and by any
+# means.
+#
+# In jurisdictions that recognize copyright laws, the author or authors
+# of this software dedicate any and all copyright interest in the
+# software to the public domain. We make this dedication for the benefit
+# of the public at large and to the detriment of our heirs and
+# successors. We intend this dedication to be an overt act of
+# relinquishment in perpetuity of all present and future rights to this
+# software under copyright law.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+# test_nsnap02.py
+#   Named snapshots: Combinations of dropping snapshots
+
+from suite_subprocess import suite_subprocess
+from wtscenario import multiply_scenarios, number_scenarios
+from helper import simple_populate
+import wiredtiger, wttest
+
+class test_nsnap02(wttest.WiredTigerTestCase, suite_subprocess):
+    tablename = 'test_nsnap02'
+    uri = 'table:' + tablename
+    nrows = 1000
+    nrows_per_snap = 10
+    nsnapshots = 10
+
+    def check_named_snapshot(self, c, snapshot, expected):
+        c.reset()
+        self.session.begin_transaction("snapshot=" + str(snapshot))
+        count = 0
+        for row in c:
+            count += 1
+        self.session.commit_transaction()
+        # print "Checking snapshot %d, expect %d, found %d" % (snapshot, expected, count)
+        self.assertEqual(count, expected)
+
+    def check_named_snapshots(self, snapshots):
+        c = self.session.open_cursor(self.uri)
+        for snap_name, expected, dropped in snapshots:
+            if dropped == 0:
+                self.check_named_snapshot(c, snap_name, expected)
+            else:
+                self.assertRaisesWithMessage(wiredtiger.WiredTigerError, lambda:
+                    self.session.begin_transaction("snapshot=%d" % (snap_name)),
+                    "/Invalid argument/")
+
+    def create_snapshots(self):
+        # Populate a table
+        end = start = 0
+        simple_populate(self, self.uri, 'key_format=i', 0)
+
+        # Create a set of snapshots
+        # Each snapshot has a bunch of new data
+        # Each snapshot removes a (smaller) bunch of old data
+        snapshots = []
+        c = self.session.open_cursor(self.uri)
+        for n in xrange(self.nsnapshots):
+            self.session.snapshot("name=%d" % (n))
+            snapshots.append((n, end - start, 0))
+            for i in xrange(2 * self.nrows_per_snap):
+                c[end + i] = "some value"
+            end += 2 * self.nrows_per_snap
+            for i in xrange(self.nrows_per_snap):
+                del c[start + i]
+            start += self.nrows_per_snap
+        return snapshots
+
+    def test_drop_all_snapshots(self):
+        snapshots = self.create_snapshots()
+
+        self.check_named_snapshots(snapshots)
+
+        self.session.snapshot("drop=(all)")
+
+        new_snapshots = []
+        for snap_name, expected, dropped in snapshots:
+            new_snapshots.append((snap_name, expected, 1))
+
+        # Make sure all the snapshots are gone.
+        self.check_named_snapshots(new_snapshots)
+
+    def test_drop_first_snapshot(self):
+        snapshots = self.create_snapshots()
+
+        c = self.session.open_cursor(self.uri)
+        for snap_name, expected, dropped in snapshots:
+            self.check_named_snapshot(c, snap_name, expected)
+
+        self.session.snapshot("drop=(names=[0])")
+
+        # Construct a snapshot array matching the expected state.
+        new_snapshots = []
+        for snap_name, expected, dropped in snapshots:
+            if snap_name == 0:
+                new_snapshots.append((snap_name, expected, 1))
+            else:
+                new_snapshots.append((snap_name, expected, 0))
+
+        # Make sure all the snapshots are gone.
+        self.check_named_snapshots(new_snapshots)
+
+    def test_drop_to_first_snapshot(self):
+        snapshots = self.create_snapshots()
+
+        c = self.session.open_cursor(self.uri)
+        for snap_name, expected, dropped in snapshots:
+            self.check_named_snapshot(c, snap_name, expected)
+
+        self.session.snapshot("drop=(to=0)")
+
+        # Construct a snapshot array matching the expected state.
+        new_snapshots = []
+        for snap_name, expected, dropped in snapshots:
+            if snap_name == 0:
+                new_snapshots.append((snap_name, expected, 1))
+            else:
+                new_snapshots.append((snap_name, expected, 0))
+
+        # Make sure all the snapshots are gone.
+        self.check_named_snapshots(new_snapshots)
+
+    def test_drop_before_first_snapshot(self):
+        snapshots = self.create_snapshots()
+
+        c = self.session.open_cursor(self.uri)
+        for snap_name, expected, dropped in snapshots:
+            self.check_named_snapshot(c, snap_name, expected)
+
+        self.session.snapshot("drop=(before=0)")
+
+        # Make sure no snapshots are gone
+        self.check_named_snapshots(snapshots)
+
+    def test_drop_to_third_snapshot(self):
+        snapshots = self.create_snapshots()
+
+        c = self.session.open_cursor(self.uri)
+        for snap_name, expected, dropped in snapshots:
+            self.check_named_snapshot(c, snap_name, expected)
+
+        self.session.snapshot("drop=(to=3)")
+
+        # Construct a snapshot array matching the expected state.
+        new_snapshots = []
+        for snap_name, expected, dropped in snapshots:
+            if snap_name <= 3:
+                new_snapshots.append((snap_name, expected, 1))
+            else:
+                new_snapshots.append((snap_name, expected, 0))
+
+        # Make sure all the snapshots are gone.
+        self.check_named_snapshots(new_snapshots)
+
+    def test_drop_before_third_snapshot(self):
+        snapshots = self.create_snapshots()
+
+        c = self.session.open_cursor(self.uri)
+        for snap_name, expected, dropped in snapshots:
+            self.check_named_snapshot(c, snap_name, expected)
+
+        self.session.snapshot("drop=(before=3)")
+
+        # Construct a snapshot array matching the expected state.
+        new_snapshots = []
+        for snap_name, expected, dropped in snapshots:
+            if snap_name < 3:
+                new_snapshots.append((snap_name, expected, 1))
+            else:
+                new_snapshots.append((snap_name, expected, 0))
+
+        # Make sure all the snapshots are gone.
+        self.check_named_snapshots(new_snapshots)
+
+    def test_drop_to_last_snapshot(self):
+        snapshots = self.create_snapshots()
+
+        c = self.session.open_cursor(self.uri)
+        for snap_name, expected, dropped in snapshots:
+            self.check_named_snapshot(c, snap_name, expected)
+
+        self.session.snapshot("drop=(to=%d)" % (self.nsnapshots - 1))
+
+        # Construct a snapshot array matching the expected state.
+        new_snapshots = []
+        for snap_name, expected, dropped in snapshots:
+            new_snapshots.append((snap_name, expected, 1))
+
+        # Make sure all the snapshots are gone.
+        self.check_named_snapshots(new_snapshots)
+
+    def test_drop_before_last_snapshot(self):
+        snapshots = self.create_snapshots()
+
+        c = self.session.open_cursor(self.uri)
+        for snap_name, expected, dropped in snapshots:
+            self.check_named_snapshot(c, snap_name, expected)
+
+        self.session.snapshot("drop=(before=%d)" % (self.nsnapshots - 1))
+
+        # Construct a snapshot array matching the expected state.
+        new_snapshots = []
+        for snap_name, expected, dropped in snapshots:
+            if snap_name < self.nsnapshots - 1:
+                new_snapshots.append((snap_name, expected, 1))
+            else:
+                new_snapshots.append((snap_name, expected, 0))
+
+        # Make sure all the snapshots are gone.
+        self.check_named_snapshots(new_snapshots)
+
+    def test_drop_specific_snapshots1(self):
+        snapshots = self.create_snapshots()
+
+        c = self.session.open_cursor(self.uri)
+        for snap_name, expected, dropped in snapshots:
+            self.check_named_snapshot(c, snap_name, expected)
+
+        self.session.snapshot(
+            "drop=(names=[%d,%d,%d])" % (0, 3, self.nsnapshots - 1))
+
+        # Construct a snapshot array matching the expected state.
+        new_snapshots = []
+        for snap_name, expected, dropped in snapshots:
+            if snap_name == 0 or snap_name == 3 or \
+                snap_name == self.nsnapshots - 1:
+                new_snapshots.append((snap_name, expected, 1))
+            else:
+                new_snapshots.append((snap_name, expected, 0))
+
+        # Make sure all the snapshots are gone.
+        self.check_named_snapshots(new_snapshots)
+
+if __name__ == '__main__':
+    wttest.run()