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Commit c3e696cb authored by Marcin Siodelski's avatar Marcin Siodelski
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[2312] Fixed unit tests for custom option as a result of review.

parent d85d48ee
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Showing with 104 additions and 63 deletions
src/lib/dhcp/tests/option_custom_unittest.cc
View file @ c3e696cb
......@@ -157,6 +157,12 @@ TEST_F(OptionCustomTest, binaryData) {
// create option instance.
ASSERT_EQ(buf_in.size(), buf_out.size());
EXPECT_TRUE(std::equal(buf_in.begin(), buf_in.end(), buf_out.begin()));
// Check that option with "no data" is rejected.
EXPECT_THROW(
option.reset(new OptionCustom(opt_def, Option::V4, OptionBuffer())),
isc::OutOfRange
);
}
// The purpose of this test is to verify that an option definition comprising
......@@ -189,6 +195,12 @@ TEST_F(OptionCustomTest, booleanData) {
// with 0. It is expected to be 'false'.
ASSERT_NO_THROW(value = option->readBoolean(0));
EXPECT_FALSE(value);
// Check that the option with "no data" is rejected.
EXPECT_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, OptionBuffer())),
isc::OutOfRange
);
}
// The purpose of this test is to verify that the option definition comprising
......@@ -215,42 +227,42 @@ TEST_F(OptionCustomTest, int16Data) {
int16_t value = 0;
ASSERT_NO_THROW(value = option->readInteger<int16_t>(0));
EXPECT_EQ(-234, value);
// Check that the option is not created when a buffer is
// too short (1 byte instead of 2 bytes).
EXPECT_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(), buf.begin() + 1)),
isc::OutOfRange
);
}
// The purpose of this test is to verify that truncated option buffer
// can't be used to form option holding an integer data.
TEST_F(OptionCustomTest, int32DataTruncated) {
// The purpose of this test is to verify that the option definition comprising
// 32-bit signed integer value can be used to create an instance of custom option.
TEST_F(OptionCustomTest, int32Data) {
OptionDefinition opt_def("OPTION_FOO", 1000, "int32");
// Put two integer values into the buffer. One of
// them will be ignored by the option's constructor.
OptionBuffer buf;
writeInt<int32_t>(-234, buf);
writeInt<int32_t>(100, buf);
// Create custom option.
boost::scoped_ptr<OptionCustom> option;
// The length of the provided buffer is equal to 2*sizeof(uint32_t) so
// both values will be processed by constructor. Second one should be
// dropped.
EXPECT_NO_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(), buf.begin() + 8));
ASSERT_NO_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf));
);
ASSERT_TRUE(option);
// The option buffer's length is sufficient to keep only one uint32_t
// but this is ok since option needs only one value anyway.
EXPECT_NO_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(), buf.begin() + 4));
);
// We should have just one data field.
ASSERT_EQ(1, option->getDataFieldsNum());
// The option buffer's length is equal to sizeof(uint32_t) so it should
// be processed successfuly.
EXPECT_NO_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(), buf.begin() + 4));
);
// Initialize value to 0 explicitely to make sure that is
// modified by readInteger function to expected -234.
int32_t value = 0;
ASSERT_NO_THROW(value = option->readInteger<int32_t>(0));
EXPECT_EQ(-234, value);
// The option bufferis now 1 byte too short. Expect exception being thrown.
// Check that the option is not created when a buffer is
// too short (3 bytes instead of 4 bytes).
EXPECT_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(), buf.begin() + 3)),
isc::OutOfRange
......@@ -281,6 +293,13 @@ TEST_F(OptionCustomTest, ipv4AddressData) {
ASSERT_NO_THROW(address = option->readAddress(0));
EXPECT_EQ("192.168.100.50", address.toText());
// Check that option is not created if the provided buffer is
// too short (use 3 bytes instead of 4).
EXPECT_THROW(
option.reset(new OptionCustom(opt_def, Option::V4, buf.begin(), buf.begin() + 3)),
isc::OutOfRange
);
}
// The purpose of this test is to verify that the option definition comprising
......@@ -309,6 +328,14 @@ TEST_F(OptionCustomTest, ipv6AddressData) {
ASSERT_NO_THROW(address = option->readAddress(0));
EXPECT_EQ("2001:db8:1::100", address.toText());
// Check that option is not created if the provided buffer is
// too short (use 15 bytes instead of 16).
EXPECT_THROW(
option.reset(new OptionCustom(opt_def, Option::V4, buf.begin(),
buf.begin() + 15)),
isc::OutOfRange
);
}
// The purpose of this test is to verify that the option definition comprising
......@@ -336,6 +363,12 @@ TEST_F(OptionCustomTest, stringData) {
ASSERT_NO_THROW(value = option->readString(0));
EXPECT_EQ("hello world!", value);
// Check that option will not be created if empty buffer is provided.
EXPECT_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, OptionBuffer())),
isc::OutOfRange
);
}
// The purpose of this test is to verify that the option definition comprising
......@@ -383,44 +416,12 @@ TEST_F(OptionCustomTest, booleanDataArray) {
bool value4 = false;
ASSERT_NO_THROW(value4 = option->readBoolean(4));
EXPECT_TRUE(value4);
}
// The purpose of this test is to verify that truncated buffer can't
// be used to create an instance of the option which holds an array
// of values.
TEST_F(OptionCustomTest, uint16DataArrayTruncated) {
OptionDefinition opt_def("OPTION_FOO", 1000, "uint16", true);
OptionBuffer buf;
for (int i = 0; i < 3; ++i) {
writeInt<uint16_t>(i, buf);
}
// Create custom option using the input buffer.
boost::scoped_ptr<OptionCustom> option;
// Provide a buffer of a length of 4. This should succeed because exactly two
// uint16_t values fit into it.
EXPECT_NO_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(), buf.begin() + 4));
);
// Provide a buffer of a length of 3. This should succeed because one uint16_t
// value fits into it despite the second one is truncated.
EXPECT_NO_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(), buf.begin() + 3));
);
// Provide a buffer of a length of 2. This should succeed because still
// one uint16_t fits into it.
EXPECT_NO_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(), buf.begin() + 2));
);
// Provide truncated buffer. This should cause the exception.
// Check that empty buffer can't be used to create option holding
// array of boolean values.
EXPECT_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(), buf.begin() + 1)),
isc::OutOfRange
option.reset(new OptionCustom(opt_def, Option::V6, OptionBuffer())),
isc::OutOfRange
);
}
......@@ -462,6 +463,16 @@ TEST_F(OptionCustomTest, uint32DataArray) {
ASSERT_NO_THROW(value = option->readInteger<uint32_t>(i));
EXPECT_EQ(values[i], value);
}
// Check that too short buffer can't be used to create the option.
// Using buffer having length of 3 bytes. The length of 4 bytes is
// a minimal length to create the option with single uint32_t value.
EXPECT_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(),
buf.begin() + 3)),
isc::OutOfRange
);
}
// The purpose of this test is to verify that the option definition comprising
......@@ -484,7 +495,7 @@ TEST_F(OptionCustomTest, ipv4AddressDataArray) {
// Use the input buffer to create custom option.
boost::scoped_ptr<OptionCustom> option;
ASSERT_NO_THROW(
option.reset(new OptionCustom(opt_def, Option::V4, buf.begin(), buf.begin() + 13));
option.reset(new OptionCustom(opt_def, Option::V4, buf));
);
ASSERT_TRUE(option);
......@@ -497,6 +508,21 @@ TEST_F(OptionCustomTest, ipv4AddressDataArray) {
ASSERT_NO_THROW(address = option->readAddress(i));
EXPECT_EQ(addresses[i].toText(), address.toText());
}
// Check that it is ok if buffer length is not a multiple of IPv4
// address length. Resize it by two bytes.
buf.resize(buf.size() + 2);
EXPECT_NO_THROW(
option.reset(new OptionCustom(opt_def, Option::V4, buf));
);
// Check that option is not created when the provided buffer
// is too short. At least a buffer length of 4 bytes is needed.
EXPECT_THROW(
option.reset(new OptionCustom(opt_def, Option::V4, buf.begin(),
buf.begin() + 2)),
isc::OutOfRange
);
}
// The purpose of this test is to verify that the option definition comprising
......@@ -519,7 +545,7 @@ TEST_F(OptionCustomTest, ipv6AddressDataArray) {
// Use the input buffer to create custom option.
boost::scoped_ptr<OptionCustom> option;
ASSERT_NO_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(), buf.begin() + 50));
option.reset(new OptionCustom(opt_def, Option::V6, buf));
);
ASSERT_TRUE(option);
......@@ -532,6 +558,21 @@ TEST_F(OptionCustomTest, ipv6AddressDataArray) {
ASSERT_NO_THROW(address = option->readAddress(i));
EXPECT_EQ(addresses[i].toText(), address.toText());
}
// Check that it is ok if buffer length is not a multiple of IPv6
// address length. Resize it by two bytes.
buf.resize(buf.size() + 2);
EXPECT_NO_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf));
);
// Check that option is not created when the provided buffer
// is too short. At least a buffer length of 16 bytes is needed.
EXPECT_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(),
buf.begin() + 15)),
isc::OutOfRange
);
}
// The purpose of this test is to verify that the option definition comprising
......@@ -561,7 +602,7 @@ TEST_F(OptionCustomTest, recordData) {
boost::scoped_ptr<OptionCustom> option;
ASSERT_NO_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(), buf.begin() + 27));
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(), buf.end()));
);
ASSERT_TRUE(option);
......@@ -730,7 +771,7 @@ TEST_F(OptionCustomTest, unpack) {
// Use the input buffer to create custom option.
boost::scoped_ptr<OptionCustom> option;
ASSERT_NO_THROW(
option.reset(new OptionCustom(opt_def, Option::V4, buf.begin(), buf.begin() + 13));
option.reset(new OptionCustom(opt_def, Option::V4, buf.begin(), buf.end()));
);
ASSERT_TRUE(option);
......@@ -792,7 +833,7 @@ TEST_F(OptionCustomTest, setData) {
// Use the input buffer to create custom option.
boost::scoped_ptr<OptionCustom> option;
ASSERT_NO_THROW(
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(), buf.begin() + 50));
option.reset(new OptionCustom(opt_def, Option::V6, buf.begin(), buf.end()));
);
ASSERT_TRUE(option);
......
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