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Diffstat (limited to 'tests/unit/asn1_decoder_test.cpp')
| -rw-r--r-- | tests/unit/asn1_decoder_test.cpp | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/tests/unit/asn1_decoder_test.cpp b/tests/unit/asn1_decoder_test.cpp new file mode 100644 index 000000000..af96d87d2 --- /dev/null +++ b/tests/unit/asn1_decoder_test.cpp @@ -0,0 +1,238 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#define LOG_TAG "asn1_decoder_test" + +#include <cutils/log.h> +#include <gtest/gtest.h> +#include <stdint.h> +#include <unistd.h> + +#include "asn1_decoder.h" + +namespace android { + +class Asn1DecoderTest : public testing::Test { +}; + +TEST_F(Asn1DecoderTest, Empty_Failure) { + uint8_t empty[] = { }; + asn1_context_t* ctx = asn1_context_new(empty, sizeof(empty)); + + EXPECT_EQ(NULL, asn1_constructed_get(ctx)); + EXPECT_FALSE(asn1_constructed_skip_all(ctx)); + EXPECT_EQ(0, asn1_constructed_type(ctx)); + EXPECT_EQ(NULL, asn1_sequence_get(ctx)); + EXPECT_EQ(NULL, asn1_set_get(ctx)); + EXPECT_FALSE(asn1_sequence_next(ctx)); + + uint8_t* junk; + size_t length; + EXPECT_FALSE(asn1_oid_get(ctx, &junk, &length)); + EXPECT_FALSE(asn1_octet_string_get(ctx, &junk, &length)); + + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, ConstructedGet_TruncatedLength_Failure) { + uint8_t truncated[] = { 0xA0, 0x82, }; + asn1_context_t* ctx = asn1_context_new(truncated, sizeof(truncated)); + EXPECT_EQ(NULL, asn1_constructed_get(ctx)); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, ConstructedGet_LengthTooBig_Failure) { + uint8_t truncated[] = { 0xA0, 0x8a, 0xA5, 0x5A, 0xA5, 0x5A, + 0xA5, 0x5A, 0xA5, 0x5A, 0xA5, 0x5A, }; + asn1_context_t* ctx = asn1_context_new(truncated, sizeof(truncated)); + EXPECT_EQ(NULL, asn1_constructed_get(ctx)); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, ConstructedGet_TooSmallForChild_Failure) { + uint8_t data[] = { 0xA5, 0x02, 0x06, 0x01, 0x01, }; + asn1_context_t* ctx = asn1_context_new(data, sizeof(data)); + asn1_context_t* ptr = asn1_constructed_get(ctx); + ASSERT_NE((asn1_context_t*)NULL, ptr); + EXPECT_EQ(5, asn1_constructed_type(ptr)); + uint8_t* oid; + size_t length; + EXPECT_FALSE(asn1_oid_get(ptr, &oid, &length)); + asn1_context_free(ptr); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, ConstructedGet_Success) { + uint8_t data[] = { 0xA5, 0x03, 0x06, 0x01, 0x01, }; + asn1_context_t* ctx = asn1_context_new(data, sizeof(data)); + asn1_context_t* ptr = asn1_constructed_get(ctx); + ASSERT_NE((asn1_context_t*)NULL, ptr); + EXPECT_EQ(5, asn1_constructed_type(ptr)); + uint8_t* oid; + size_t length; + ASSERT_TRUE(asn1_oid_get(ptr, &oid, &length)); + EXPECT_EQ(1U, length); + EXPECT_EQ(0x01U, *oid); + asn1_context_free(ptr); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, ConstructedSkipAll_TruncatedLength_Failure) { + uint8_t truncated[] = { 0xA2, 0x82, }; + asn1_context_t* ctx = asn1_context_new(truncated, sizeof(truncated)); + EXPECT_FALSE(asn1_constructed_skip_all(ctx)); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, ConstructedSkipAll_Success) { + uint8_t data[] = { 0xA0, 0x03, 0x02, 0x01, 0x01, + 0xA1, 0x03, 0x02, 0x01, 0x01, + 0x06, 0x01, 0xA5, }; + asn1_context_t* ctx = asn1_context_new(data, sizeof(data)); + ASSERT_TRUE(asn1_constructed_skip_all(ctx)); + uint8_t* oid; + size_t length; + ASSERT_TRUE(asn1_oid_get(ctx, &oid, &length)); + EXPECT_EQ(1U, length); + EXPECT_EQ(0xA5U, *oid); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, SequenceGet_TruncatedLength_Failure) { + uint8_t truncated[] = { 0x30, 0x82, }; + asn1_context_t* ctx = asn1_context_new(truncated, sizeof(truncated)); + EXPECT_EQ(NULL, asn1_sequence_get(ctx)); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, SequenceGet_TooSmallForChild_Failure) { + uint8_t data[] = { 0x30, 0x02, 0x06, 0x01, 0x01, }; + asn1_context_t* ctx = asn1_context_new(data, sizeof(data)); + asn1_context_t* ptr = asn1_sequence_get(ctx); + ASSERT_NE((asn1_context_t*)NULL, ptr); + uint8_t* oid; + size_t length; + EXPECT_FALSE(asn1_oid_get(ptr, &oid, &length)); + asn1_context_free(ptr); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, SequenceGet_Success) { + uint8_t data[] = { 0x30, 0x03, 0x06, 0x01, 0x01, }; + asn1_context_t* ctx = asn1_context_new(data, sizeof(data)); + asn1_context_t* ptr = asn1_sequence_get(ctx); + ASSERT_NE((asn1_context_t*)NULL, ptr); + uint8_t* oid; + size_t length; + ASSERT_TRUE(asn1_oid_get(ptr, &oid, &length)); + EXPECT_EQ(1U, length); + EXPECT_EQ(0x01U, *oid); + asn1_context_free(ptr); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, SetGet_TruncatedLength_Failure) { + uint8_t truncated[] = { 0x31, 0x82, }; + asn1_context_t* ctx = asn1_context_new(truncated, sizeof(truncated)); + EXPECT_EQ(NULL, asn1_set_get(ctx)); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, SetGet_TooSmallForChild_Failure) { + uint8_t data[] = { 0x31, 0x02, 0x06, 0x01, 0x01, }; + asn1_context_t* ctx = asn1_context_new(data, sizeof(data)); + asn1_context_t* ptr = asn1_set_get(ctx); + ASSERT_NE((asn1_context_t*)NULL, ptr); + uint8_t* oid; + size_t length; + EXPECT_FALSE(asn1_oid_get(ptr, &oid, &length)); + asn1_context_free(ptr); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, SetGet_Success) { + uint8_t data[] = { 0x31, 0x03, 0x06, 0x01, 0xBA, }; + asn1_context_t* ctx = asn1_context_new(data, sizeof(data)); + asn1_context_t* ptr = asn1_set_get(ctx); + ASSERT_NE((asn1_context_t*)NULL, ptr); + uint8_t* oid; + size_t length; + ASSERT_TRUE(asn1_oid_get(ptr, &oid, &length)); + EXPECT_EQ(1U, length); + EXPECT_EQ(0xBAU, *oid); + asn1_context_free(ptr); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, OidGet_LengthZero_Failure) { + uint8_t data[] = { 0x06, 0x00, 0x01, }; + asn1_context_t* ctx = asn1_context_new(data, sizeof(data)); + uint8_t* oid; + size_t length; + EXPECT_FALSE(asn1_oid_get(ctx, &oid, &length)); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, OidGet_TooSmall_Failure) { + uint8_t data[] = { 0x06, 0x01, }; + asn1_context_t* ctx = asn1_context_new(data, sizeof(data)); + uint8_t* oid; + size_t length; + EXPECT_FALSE(asn1_oid_get(ctx, &oid, &length)); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, OidGet_Success) { + uint8_t data[] = { 0x06, 0x01, 0x99, }; + asn1_context_t* ctx = asn1_context_new(data, sizeof(data)); + uint8_t* oid; + size_t length; + ASSERT_TRUE(asn1_oid_get(ctx, &oid, &length)); + EXPECT_EQ(1U, length); + EXPECT_EQ(0x99U, *oid); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, OctetStringGet_LengthZero_Failure) { + uint8_t data[] = { 0x04, 0x00, 0x55, }; + asn1_context_t* ctx = asn1_context_new(data, sizeof(data)); + uint8_t* string; + size_t length; + ASSERT_FALSE(asn1_octet_string_get(ctx, &string, &length)); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, OctetStringGet_TooSmall_Failure) { + uint8_t data[] = { 0x04, 0x01, }; + asn1_context_t* ctx = asn1_context_new(data, sizeof(data)); + uint8_t* string; + size_t length; + ASSERT_FALSE(asn1_octet_string_get(ctx, &string, &length)); + asn1_context_free(ctx); +} + +TEST_F(Asn1DecoderTest, OctetStringGet_Success) { + uint8_t data[] = { 0x04, 0x01, 0xAA, }; + asn1_context_t* ctx = asn1_context_new(data, sizeof(data)); + uint8_t* string; + size_t length; + ASSERT_TRUE(asn1_octet_string_get(ctx, &string, &length)); + EXPECT_EQ(1U, length); + EXPECT_EQ(0xAAU, *string); + asn1_context_free(ctx); +} + +} // namespace android |