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// Copyright Yahoo. 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/stllike/string.h>
#include <vespa/vespalib/util/size_literals.h>
#include <vespa/vespalib/data/databuffer.h>
#include <vespa/fastos/file.h>
using namespace vespalib;
TEST("that DirectIOException propagates the correct information.") {
const char *msg("The buffer");
DirectIOException e("file.a", msg, 10, 3);
EXPECT_EQUAL(10u, e.getLength());
EXPECT_EQUAL(3u, e.getOffset());
EXPECT_EQUAL(msg, e.getBuffer());
EXPECT_EQUAL(0u, string(e.what()).find("DirectIO failed for file 'file.a' buffer="));
EXPECT_EQUAL(string("file.a"), e.getFileName());
}
TEST("that DirectIOException is thrown on unaligned buf.") {
FastOS_File f("vespalib_directio_test_app");
f.EnableDirectIO();
EXPECT_TRUE(f.OpenReadOnly());
DataBuffer buf(10000, 4_Ki);
bool caught(false);
try {
f.ReadBuf(buf.getFree()+1, 4_Ki, 0);
} catch (const DirectIOException & e) {
EXPECT_EQUAL(4_Ki, e.getLength());
EXPECT_EQUAL(0u, e.getOffset());
EXPECT_EQUAL(buf.getFree()+1, e.getBuffer());
EXPECT_EQUAL(string(f.GetFileName()), e.getFileName());
caught = true;
}
EXPECT_TRUE(caught);
}
TEST("that DirectIOException is thrown on unaligned offset.") {
FastOS_File f("vespalib_directio_test_app");
f.EnableDirectIO();
EXPECT_TRUE(f.OpenReadOnly());
DataBuffer buf(10000, 4_Ki);
bool caught(false);
try {
f.ReadBuf(buf.getFree(), 4_Ki, 1);
} catch (const DirectIOException & e) {
EXPECT_EQUAL(4_Ki, e.getLength());
EXPECT_EQUAL(1u, e.getOffset());
EXPECT_EQUAL(buf.getFree(), e.getBuffer());
EXPECT_EQUAL(string(f.GetFileName()), e.getFileName());
caught = true;
}
EXPECT_TRUE(caught);
}
TEST_MAIN() { TEST_RUN_ALL(); }
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