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c73a97d4e3
TEST=minidump_test MinidumpMiscInfoWriter R=rsesek@chromium.org Review URL: https://codereview.chromium.org/454073002
202 lines
7.2 KiB
C++
202 lines
7.2 KiB
C++
// Copyright 2014 The Crashpad Authors. All rights reserved.
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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 <dbghelp.h>
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#include <string>
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#include "base/basictypes.h"
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#include "base/strings/string16.h"
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#include "base/strings/stringprintf.h"
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#include "gtest/gtest.h"
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#include "util/file/string_file_writer.h"
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namespace {
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using namespace crashpad;
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const MINIDUMP_STRING* MinidumpStringCast(const StringFileWriter& file_writer) {
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return reinterpret_cast<const MINIDUMP_STRING*>(&file_writer.string()[0]);
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}
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TEST(MinidumpStringWriter, MinidumpUTF16StringWriter) {
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StringFileWriter file_writer;
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{
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SCOPED_TRACE("unset");
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file_writer.Reset();
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crashpad::internal::MinidumpUTF16StringWriter string_writer;
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EXPECT_TRUE(string_writer.WriteEverything(&file_writer));
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ASSERT_EQ(6u, file_writer.string().size());
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const MINIDUMP_STRING* minidump_string = MinidumpStringCast(file_writer);
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EXPECT_EQ(0u, minidump_string->Length);
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EXPECT_EQ(0, minidump_string->Buffer[0]);
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}
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const 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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const char16 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 < arraysize(kTestData); ++index) {
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SCOPED_TRACE(base::StringPrintf(
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"index %zu, 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(
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0,
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kTestData[index]
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.output_string[arraysize(kTestData[index].output_string) - 1]);
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file_writer.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(&file_writer));
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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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const size_t expected_utf16_bytes =
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expected_utf16_units_with_nul * sizeof(MINIDUMP_STRING::Buffer[0]);
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ASSERT_EQ(sizeof(MINIDUMP_STRING) + expected_utf16_bytes,
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file_writer.string().size());
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const MINIDUMP_STRING* minidump_string = MinidumpStringCast(file_writer);
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EXPECT_EQ(
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kTestData[index].output_length * sizeof(minidump_string->Buffer[0]),
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minidump_string->Length);
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EXPECT_EQ(0,
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base::c16memcmp(kTestData[index].output_string,
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minidump_string->Buffer,
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expected_utf16_units_with_nul));
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}
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}
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TEST(MinidumpStringWriter, ConvertInvalidUTF8ToUTF16) {
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StringFileWriter file_writer;
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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 < arraysize(kTestData); ++index) {
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SCOPED_TRACE(
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base::StringPrintf("index %zu, input %s", index, kTestData[index]));
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file_writer.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(&file_writer));
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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, make sure the data is NUL-terminated, and make sure that at
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// least one U+FFFD replacement character was written.
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ASSERT_GE(file_writer.string().size(),
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sizeof(MINIDUMP_STRING) + 2 * sizeof(MINIDUMP_STRING::Buffer[0]));
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const MINIDUMP_STRING* minidump_string = MinidumpStringCast(file_writer);
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EXPECT_EQ(file_writer.string().size() - sizeof(MINIDUMP_STRING) -
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sizeof(MINIDUMP_STRING::Buffer[0]),
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minidump_string->Length);
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size_t out_units =
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minidump_string->Length / sizeof(minidump_string->Buffer[0]);
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EXPECT_EQ(0, minidump_string->Buffer[out_units]);
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EXPECT_NE(reinterpret_cast<char16*>(NULL),
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base::c16memchr(minidump_string->Buffer, 0xfffd, out_units));
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}
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}
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const MinidumpUTF8String* MinidumpUTF8StringCast(
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const StringFileWriter& file_writer) {
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return reinterpret_cast<const MinidumpUTF8String*>(&file_writer.string()[0]);
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}
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TEST(MinidumpStringWriter, MinidumpUTF8StringWriter) {
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StringFileWriter file_writer;
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{
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SCOPED_TRACE("unset");
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file_writer.Reset();
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crashpad::internal::MinidumpUTF8StringWriter string_writer;
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EXPECT_TRUE(string_writer.WriteEverything(&file_writer));
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ASSERT_EQ(5u, file_writer.string().size());
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const MinidumpUTF8String* minidump_string =
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MinidumpUTF8StringCast(file_writer);
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EXPECT_EQ(0u, minidump_string->Length);
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EXPECT_EQ(0, minidump_string->Buffer[0]);
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}
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const 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 < arraysize(kTestData); ++index) {
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SCOPED_TRACE(base::StringPrintf(
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"index %zu, input %s", index, kTestData[index].string));
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file_writer.Reset();
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crashpad::internal::MinidumpUTF8StringWriter string_writer;
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string_writer.SetUTF8(
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std::string(kTestData[index].string, kTestData[index].length));
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EXPECT_TRUE(string_writer.WriteEverything(&file_writer));
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const size_t expected_utf8_bytes_with_nul = kTestData[index].length + 1;
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ASSERT_EQ(sizeof(MinidumpUTF8String) + expected_utf8_bytes_with_nul,
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file_writer.string().size());
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const MinidumpUTF8String* minidump_string =
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MinidumpUTF8StringCast(file_writer);
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EXPECT_EQ(kTestData[index].length, minidump_string->Length);
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EXPECT_EQ(0,
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memcmp(kTestData[index].string,
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minidump_string->Buffer,
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expected_utf8_bytes_with_nul));
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}
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}
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} // namespace
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