mapped file input in vespalib

3 files changed, 32 insertions, 0 deletions

diff --git a/vespalib/src/tests/io/mapped_file_input/CMakeLists.txt b/vespalib/src/tests/io/mapped_file_input/CMakeLists.txt
new file mode 100644
index 00000000000..2c637cd84a3
--- /dev/null
+++ b/vespalib/src/tests/io/mapped_file_input/CMakeLists.txt
@@ -0,0 +1,8 @@
+# Copyright 2017 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+vespa_add_executable(vespalib_mapped_file_input_test_app TEST
+    SOURCES
+    mapped_file_input_test.cpp
+    DEPENDS
+    vespalib
+)
+vespa_add_test(NAME vespalib_mapped_file_input_test_app COMMAND vespalib_mapped_file_input_test_app)
diff --git a/vespalib/src/tests/io/mapped_file_input/file.txt b/vespalib/src/tests/io/mapped_file_input/file.txt
new file mode 100644
index 00000000000..dd59d098638
--- /dev/null
+++ b/vespalib/src/tests/io/mapped_file_input/file.txt
@@ -0,0 +1 @@
+file content
diff --git a/vespalib/src/tests/io/mapped_file_input/mapped_file_input_test.cpp b/vespalib/src/tests/io/mapped_file_input/mapped_file_input_test.cpp
new file mode 100644
index 00000000000..14e3eb6a822
--- /dev/null
+++ b/vespalib/src/tests/io/mapped_file_input/mapped_file_input_test.cpp
@@ -0,0 +1,23 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+#include <vespa/vespalib/testkit/test_kit.h>
+#include <vespa/vespalib/io/mapped_file_input.h>
+
+using namespace vespalib;
+
+TEST("require that missing file is invalid") {
+    MappedFileInput file(TEST_PATH("not_found.txt"));
+    EXPECT_TRUE(!file.valid());
+}
+
+TEST("require that file can be accessed as in input") {
+    MappedFileInput file(TEST_PATH("file.txt"));
+    EXPECT_TRUE(file.valid());
+    EXPECT_EQUAL(file.get(), Memory("file content\n"));
+    EXPECT_EQUAL(file.obtain(), Memory("file content\n"));
+    file.evict(5);
+    EXPECT_EQUAL(file.obtain(), Memory("content\n"));
+    file.evict(8);
+    EXPECT_EQUAL(file.obtain(), Memory());
+}
+
+TEST_MAIN() { TEST_RUN_ALL(); }