284 lines
9.6 KiB
C++
284 lines
9.6 KiB
C++
// Copyright 2014 The Crashpad Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "minidump/minidump_string_writer.h"
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#include <iterator>
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#include <string>
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#include <type_traits>
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#include "base/format_macros.h"
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#include "base/notreached.h"
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#include "base/strings/stringprintf.h"
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#include "base/strings/utf_string_conversions.h"
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#include "gtest/gtest.h"
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#include "minidump/test/minidump_rva_list_test_util.h"
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#include "minidump/test/minidump_string_writer_test_util.h"
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#include "minidump/test/minidump_writable_test_util.h"
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#include "util/file/string_file.h"
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namespace crashpad {
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namespace test {
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namespace {
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class TestTypeNames {
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public:
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template <typename T>
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static std::string GetName(int) {
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if (std::is_same<T, RVA>()) {
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return "RVA";
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}
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if (std::is_same<T, RVA64>()) {
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return "RVA64";
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}
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NOTREACHED();
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return "";
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}
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};
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template <typename RVAType>
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class MinidumpStringWriter : public ::testing::Test {};
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using RVATypes = ::testing::Types<RVA, RVA64>;
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TYPED_TEST_SUITE(MinidumpStringWriter, RVATypes, TestTypeNames);
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TYPED_TEST(MinidumpStringWriter, MinidumpUTF16StringWriter) {
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StringFile string_file;
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{
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SCOPED_TRACE("unset");
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string_file.Reset();
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crashpad::internal::MinidumpUTF16StringWriter string_writer;
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EXPECT_TRUE(string_writer.WriteEverything(&string_file));
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ASSERT_EQ(string_file.string().size(), 6u);
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const MINIDUMP_STRING* minidump_string =
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MinidumpStringAtRVA(string_file.string(), TypeParam(0));
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EXPECT_TRUE(minidump_string);
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EXPECT_EQ(MinidumpStringAtRVAAsString(string_file.string(), TypeParam(0)),
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std::u16string());
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}
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static constexpr struct {
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size_t input_length;
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const char* input_string;
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size_t output_length;
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char16_t output_string[10];
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} kTestData[] = {
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{0, "", 0, {}},
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{1, "a", 1, {'a'}},
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{2, "\0b", 2, {0, 'b'}},
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{3, "cde", 3, {'c', 'd', 'e'}},
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{9, "Hi world!", 9, {'H', 'i', ' ', 'w', 'o', 'r', 'l', 'd', '!'}},
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{7, "ret\nurn", 7, {'r', 'e', 't', '\n', 'u', 'r', 'n'}},
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{2, "\303\251", 1, {0x00e9}}, // é
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// oóöőo
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{8, "o\303\263\303\266\305\221o", 5, {'o', 0x00f3, 0x00f6, 0x151, 'o'}},
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{4, "\360\220\204\202", 2, {0xd800, 0xdd02}}, // 𐄂 (non-BMP)
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};
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for (size_t index = 0; index < std::size(kTestData); ++index) {
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SCOPED_TRACE(base::StringPrintf(
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"index %" PRIuS ", input %s", index, kTestData[index].input_string));
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// Make sure that the expected output string with its NUL terminator fits in
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// the space provided.
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ASSERT_EQ(kTestData[index]
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.output_string[std::size(kTestData[index].output_string) - 1],
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0);
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string_file.Reset();
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crashpad::internal::MinidumpUTF16StringWriter string_writer;
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string_writer.SetUTF8(std::string(kTestData[index].input_string,
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kTestData[index].input_length));
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EXPECT_TRUE(string_writer.WriteEverything(&string_file));
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const size_t expected_utf16_units_with_nul =
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kTestData[index].output_length + 1;
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[[maybe_unused]] MINIDUMP_STRING* tmp;
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const size_t expected_utf16_bytes =
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expected_utf16_units_with_nul * sizeof(tmp->Buffer[0]);
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ASSERT_EQ(string_file.string().size(), sizeof(*tmp) + expected_utf16_bytes);
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const MINIDUMP_STRING* minidump_string =
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MinidumpStringAtRVA(string_file.string(), TypeParam(0));
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EXPECT_TRUE(minidump_string);
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std::u16string expect_string = std::u16string(
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kTestData[index].output_string, kTestData[index].output_length);
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EXPECT_EQ(MinidumpStringAtRVAAsString(string_file.string(), TypeParam(0)),
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expect_string);
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}
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}
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TYPED_TEST(MinidumpStringWriter, ConvertInvalidUTF8ToUTF16) {
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StringFile string_file;
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static constexpr const char* kTestData[] = {
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"\200", // continuation byte
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"\300", // start byte followed by EOF
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"\310\177", // start byte without continuation
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"\340\200", // EOF in middle of 3-byte sequence
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"\340\200\115", // invalid 3-byte sequence
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"\303\0\251", // NUL in middle of valid sequence
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};
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for (size_t index = 0; index < std::size(kTestData); ++index) {
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SCOPED_TRACE(base::StringPrintf(
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"index %" PRIuS ", input %s", index, kTestData[index]));
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string_file.Reset();
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crashpad::internal::MinidumpUTF16StringWriter string_writer;
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string_writer.SetUTF8(kTestData[index]);
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EXPECT_TRUE(string_writer.WriteEverything(&string_file));
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// The requirements for conversion of invalid UTF-8 input are lax. Make sure
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// that at least enough data was written for a string that has one unit and
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// a NUL terminator, make sure that the length field matches the length of
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// data written, and make sure that at least one U+FFFD replacement
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// character was written.
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const MINIDUMP_STRING* minidump_string =
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MinidumpStringAtRVA(string_file.string(), TypeParam(0));
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EXPECT_TRUE(minidump_string);
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[[maybe_unused]] MINIDUMP_STRING* tmp;
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EXPECT_EQ(
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minidump_string->Length,
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string_file.string().size() - sizeof(*tmp) - sizeof(tmp->Buffer[0]));
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std::u16string output_string =
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MinidumpStringAtRVAAsString(string_file.string(), TypeParam(0));
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EXPECT_FALSE(output_string.empty());
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EXPECT_NE(output_string.find(0xfffd), std::u16string::npos);
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}
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}
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TYPED_TEST(MinidumpStringWriter, MinidumpUTF8StringWriter) {
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StringFile string_file;
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{
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SCOPED_TRACE("unset");
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string_file.Reset();
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crashpad::internal::MinidumpUTF8StringWriter string_writer;
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EXPECT_TRUE(string_writer.WriteEverything(&string_file));
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ASSERT_EQ(string_file.string().size(), 5u);
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const MinidumpUTF8String* minidump_string =
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MinidumpUTF8StringAtRVA(string_file.string(), TypeParam(0));
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EXPECT_TRUE(minidump_string);
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EXPECT_EQ(
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MinidumpUTF8StringAtRVAAsString(string_file.string(), TypeParam(0)),
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std::string());
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}
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static constexpr struct {
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size_t length;
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const char* string;
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} kTestData[] = {
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{0, ""},
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{1, "a"},
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{2, "\0b"},
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{3, "cde"},
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{9, "Hi world!"},
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{7, "ret\nurn"},
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{2, "\303\251"}, // é
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// oóöőo
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{8, "o\303\263\303\266\305\221o"},
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{4, "\360\220\204\202"}, // 𐄂 (non-BMP)
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};
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for (size_t index = 0; index < std::size(kTestData); ++index) {
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SCOPED_TRACE(base::StringPrintf(
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"index %" PRIuS ", input %s", index, kTestData[index].string));
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string_file.Reset();
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crashpad::internal::MinidumpUTF8StringWriter string_writer;
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std::string test_string(kTestData[index].string, kTestData[index].length);
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string_writer.SetUTF8(test_string);
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EXPECT_EQ(string_writer.UTF8(), test_string);
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EXPECT_TRUE(string_writer.WriteEverything(&string_file));
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const size_t expected_utf8_bytes_with_nul = kTestData[index].length + 1;
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ASSERT_EQ(string_file.string().size(),
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sizeof(MinidumpUTF8String) + expected_utf8_bytes_with_nul);
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const MinidumpUTF8String* minidump_string =
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MinidumpUTF8StringAtRVA(string_file.string(), TypeParam(0));
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EXPECT_TRUE(minidump_string);
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EXPECT_EQ(
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MinidumpUTF8StringAtRVAAsString(string_file.string(), TypeParam(0)),
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test_string);
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}
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}
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struct MinidumpUTF16StringListWriterTraits {
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using MinidumpStringListWriterType = MinidumpUTF16StringListWriter;
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static std::u16string ExpectationForUTF8(const std::string& utf8) {
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return base::UTF8ToUTF16(utf8);
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}
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static std::u16string ObservationAtRVA(const std::string& file_contents,
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RVA rva) {
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return MinidumpStringAtRVAAsString(file_contents, rva);
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}
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};
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struct MinidumpUTF8StringListWriterTraits {
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using MinidumpStringListWriterType = MinidumpUTF8StringListWriter;
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static std::string ExpectationForUTF8(const std::string& utf8) {
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return utf8;
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}
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static std::string ObservationAtRVA(const std::string& file_contents,
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RVA rva) {
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return MinidumpUTF8StringAtRVAAsString(file_contents, rva);
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}
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};
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template <typename Traits>
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void MinidumpStringListTest() {
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std::vector<std::string> strings;
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strings.push_back(std::string("One"));
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strings.push_back(std::string());
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strings.push_back(std::string("3"));
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strings.push_back(std::string("\360\237\222\251"));
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typename Traits::MinidumpStringListWriterType string_list_writer;
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EXPECT_FALSE(string_list_writer.IsUseful());
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string_list_writer.InitializeFromVector(strings);
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EXPECT_TRUE(string_list_writer.IsUseful());
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StringFile string_file;
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ASSERT_TRUE(string_list_writer.WriteEverything(&string_file));
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const MinidumpRVAList* list =
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MinidumpRVAListAtStart(string_file.string(), strings.size());
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ASSERT_TRUE(list);
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for (size_t index = 0; index < strings.size(); ++index) {
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EXPECT_EQ(
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Traits::ObservationAtRVA(string_file.string(), list->children[index]),
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Traits::ExpectationForUTF8(strings[index]));
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}
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}
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TYPED_TEST(MinidumpStringWriter, MinidumpUTF16StringList) {
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MinidumpStringListTest<MinidumpUTF16StringListWriterTraits>();
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}
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TYPED_TEST(MinidumpStringWriter, MinidumpUTF8StringList) {
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MinidumpStringListTest<MinidumpUTF8StringListWriterTraits>();
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}
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} // namespace
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} // namespace test
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} // namespace crashpad
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