summaryrefslogtreecommitdiff
path: root/test/libapt
diff options
context:
space:
mode:
Diffstat (limited to 'test/libapt')
-rw-r--r--test/libapt/fileutl_test.cc35
1 files changed, 35 insertions, 0 deletions
diff --git a/test/libapt/fileutl_test.cc b/test/libapt/fileutl_test.cc
index 607c4a195..ff13e9e92 100644
--- a/test/libapt/fileutl_test.cc
+++ b/test/libapt/fileutl_test.cc
@@ -317,6 +317,7 @@ TEST(FileUtlTest, flAbsPath)
static void TestDevNullFileFd(unsigned int const filemode)
{
+ SCOPED_TRACE(filemode);
FileFd f("/dev/null", filemode);
EXPECT_FALSE(f.Failed());
EXPECT_TRUE(f.IsOpen());
@@ -344,3 +345,37 @@ TEST(FileUtlTest, WorkingWithDevNull)
TestDevNullFileFd(FileFd::WriteTemp);
TestDevNullFileFd(FileFd::WriteAtomic);
}
+constexpr char const * const TESTSTRING = "This is a test";
+static void TestFailingAtomicKeepsFile(char const * const label, std::string const &filename)
+{
+ SCOPED_TRACE(label);
+ EXPECT_TRUE(FileExists(filename));
+ FileFd fd;
+ EXPECT_TRUE(fd.Open(filename, FileFd::ReadOnly));
+ char buffer[50];
+ EXPECT_NE(nullptr, fd.ReadLine(buffer, sizeof(buffer)));
+ EXPECT_STREQ(TESTSTRING, buffer);
+}
+TEST(FileUtlTest, FailingAtomic)
+{
+ FileFd fd;
+ std::string filename;
+ createTemporaryFile("failingatomic", fd, &filename, TESTSTRING);
+ TestFailingAtomicKeepsFile("init", filename);
+
+ FileFd f;
+ EXPECT_TRUE(f.Open(filename, FileFd::ReadWrite | FileFd::Atomic));
+ f.EraseOnFailure();
+ EXPECT_FALSE(f.Failed());
+ EXPECT_TRUE(f.IsOpen());
+ TestFailingAtomicKeepsFile("before-fail", filename);
+ EXPECT_TRUE(f.Write("Bad file write", 10));
+ f.OpFail();
+ EXPECT_TRUE(f.Failed());
+ TestFailingAtomicKeepsFile("after-fail", filename);
+ EXPECT_TRUE(f.Close());
+ TestFailingAtomicKeepsFile("closed", filename);
+
+ if (filename.empty() == false)
+ unlink(filename.c_str());
+}