1 files changed, 32 insertions, 0 deletions
diff --git a/vbench/src/tests/buffered_output/buffered_output_test.cpp b/vbench/src/tests/buffered_output/buffered_output_test.cpp
new file mode 100644
index 00000000000..79bd490c71c
--- /dev/null
+++ b/vbench/src/tests/buffered_output/buffered_output_test.cpp
@@ -0,0 +1,32 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+#include <vespa/vespalib/testkit/testapp.h>
+#include <vbench/test/all.h>
+
+using namespace vbench;
+
+TEST("buffered output") {
+    SimpleBuffer buffer;
+    { // produce data
+        BufferedOutput dst(buffer, 3);
+        dst.append('a').append('b').append('c').append('\n');
+        dst.append("foo bar").append('\n');
+        dst.append(string("str")).append('\n');
+        dst.printf("%d + %d = %d\n", 2, 2, 4);
+    }
+    { // verify data
+        LineReader src(buffer, 3);
+        string str;
+        EXPECT_TRUE(src.readLine(str));
+        EXPECT_EQUAL("abc", str);
+        EXPECT_TRUE(src.readLine(str));
+        EXPECT_EQUAL("foo bar", str);
+        EXPECT_TRUE(src.readLine(str));
+        EXPECT_EQUAL("str", str);
+        EXPECT_TRUE(src.readLine(str));
+        EXPECT_EQUAL("2 + 2 = 4", str);
+        EXPECT_TRUE(!src.readLine(str));
+        EXPECT_EQUAL("", str);
+    }
+}
+
+TEST_MAIN() { TEST_RUN_ALL(); }