BIND 10 trac2850_2, updated. 4a5506ec8f3474513c7de10969628385cec138b2 [2850] Change exception type thrown, and document it

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- Log -----------------------------------------------------------------
commit 4a5506ec8f3474513c7de10969628385cec138b2
Author: Mukund Sivaraman <muks at isc.org>
Date:   Thu May 2 13:52:10 2013 +0530

    [2850] Change exception type thrown, and document it

-----------------------------------------------------------------------

Summary of changes:
 src/lib/datasrc/memory/zone_writer.cc              |    2 +-
 src/lib/datasrc/memory/zone_writer.h               |    2 ++
 .../datasrc/tests/memory/zone_writer_unittest.cc   |    2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

-----------------------------------------------------------------------
diff --git a/src/lib/datasrc/memory/zone_writer.cc b/src/lib/datasrc/memory/zone_writer.cc
index c174b1b..abe2c6f 100644
--- a/src/lib/datasrc/memory/zone_writer.cc
+++ b/src/lib/datasrc/memory/zone_writer.cc
@@ -35,7 +35,7 @@ ZoneWriter::ZoneWriter(ZoneTableSegment* segment,
     state_(ZW_UNUSED)
 {
     if (!segment->isWritable()) {
-        isc_throw(isc::Unexpected,
+        isc_throw(isc::InvalidOperation,
                   "Attempt to construct ZoneWriter for a read-only segment");
     }
 }
diff --git a/src/lib/datasrc/memory/zone_writer.h b/src/lib/datasrc/memory/zone_writer.h
index c77dea2..c0369d3 100644
--- a/src/lib/datasrc/memory/zone_writer.h
+++ b/src/lib/datasrc/memory/zone_writer.h
@@ -42,6 +42,8 @@ class ZoneWriter {
 public:
     /// \brief Constructor
     ///
+    /// \throw isc::InvalidOperation if \c segment is read-only.
+    ///
     /// \param segment The zone table segment to store the zone into.
     /// \param load_action The callback used to load data.
     /// \param install_action The callback used to install the loaded zone.
diff --git a/src/lib/datasrc/tests/memory/zone_writer_unittest.cc b/src/lib/datasrc/tests/memory/zone_writer_unittest.cc
index 0c337ea..13a5537 100644
--- a/src/lib/datasrc/tests/memory/zone_writer_unittest.cc
+++ b/src/lib/datasrc/tests/memory/zone_writer_unittest.cc
@@ -109,7 +109,7 @@ TEST_F(ZoneWriterTest, constructForReadOnlySegment) {
     EXPECT_THROW(ZoneWriter(&ztable_segment,
                             bind(&ZoneWriterTest::loadAction, this, _1),
                             Name("example.org"), RRClass::IN()),
-                 isc::Unexpected);
+                 isc::InvalidOperation);
 }
 
 // We call it the way we are supposed to, check every callback is called in the