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test_v3: Add max op test case

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Add test case to ensure that add blocks will fail when we try to add
more blocks that options.op_count_max specifies. Expected behavior is
that we will write until that count and then fail

Test: cow_api_test
Change-Id: Icb44508c1bacbbe676347df9a58c0526068eebe0
This commit is contained in:
Daniel Zheng 2023-11-02 14:25:48 -07:00
parent 770bb3ec99
commit 16d35611ed
1 changed files with 18 additions and 0 deletions
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18
fs_mgr/libsnapshot/libsnapshot_cow/test_v3.cpp
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@ -94,6 +94,24 @@ TEST_F(CowTestV3, Header) {
ASSERT_EQ(header.cluster_ops, 0);
}
TEST_F(CowTestV3, MaxOp) {
CowOptions options;
options.op_count_max = 20;
auto writer = CreateCowWriter(3, options, GetCowFd());
ASSERT_FALSE(writer->AddZeroBlocks(1, 21));
ASSERT_FALSE(writer->AddZeroBlocks(1, 1));
std::string data = "This is some data, believe it";
data.resize(options.block_size, '\0');
ASSERT_FALSE(writer->AddRawBlocks(5, data.data(), data.size()));
ASSERT_TRUE(writer->Finalize());
CowReader reader;
ASSERT_TRUE(reader.Parse(cow_->fd));
ASSERT_EQ(reader.header_v3().op_count, 20);
}
TEST_F(CowTestV3, ZeroOp) {
CowOptions options;
options.op_count_max = 20;