Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(955)

Issues Search
    My Issues | Starred     Open | Closed | All

Unified Diff: base/strings/string_number_conversions_unittest.cc

Issue 2595063002: debuggng for PR31361
Patch Set: Created 4 years ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « base/BUILD.gn ('k') | base/strings/string_piece_unittest.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: base/strings/string_number_conversions_unittest.cc
diff --git a/base/strings/string_number_conversions_unittest.cc b/base/strings/string_number_conversions_unittest.cc
index 68e86dbdf57e092021f096468f2796f4486594b0..4b516b727e45645f4e3eb4bd1deaba329721cb11 100644
--- a/base/strings/string_number_conversions_unittest.cc
+++ b/base/strings/string_number_conversions_unittest.cc
@@ -22,657 +22,6 @@
namespace base {
-namespace {
-
-template <typename INT>
-struct IntToStringTest {
- INT num;
- const char* sexpected;
- const char* uexpected;
-};
-
-} // namespace
-
-TEST(StringNumberConversionsTest, IntToString) {
- static const IntToStringTest<int> int_tests[] = {
- { 0, "0", "0" },
- { -1, "-1", "4294967295" },
- { std::numeric_limits<int>::max(), "2147483647", "2147483647" },
- { std::numeric_limits<int>::min(), "-2147483648", "2147483648" },
- };
- static const IntToStringTest<int64_t> int64_tests[] = {
- {0, "0", "0"},
- {-1, "-1", "18446744073709551615"},
- {
- std::numeric_limits<int64_t>::max(), "9223372036854775807",
- "9223372036854775807",
- },
- {std::numeric_limits<int64_t>::min(), "-9223372036854775808",
- "9223372036854775808"},
- };
-
- for (size_t i = 0; i < arraysize(int_tests); ++i) {
- const IntToStringTest<int>* test = &int_tests[i];
- EXPECT_EQ(IntToString(test->num), test->sexpected);
- EXPECT_EQ(IntToString16(test->num), UTF8ToUTF16(test->sexpected));
- EXPECT_EQ(UintToString(test->num), test->uexpected);
- EXPECT_EQ(UintToString16(test->num), UTF8ToUTF16(test->uexpected));
- }
- for (size_t i = 0; i < arraysize(int64_tests); ++i) {
- const IntToStringTest<int64_t>* test = &int64_tests[i];
- EXPECT_EQ(Int64ToString(test->num), test->sexpected);
- EXPECT_EQ(Int64ToString16(test->num), UTF8ToUTF16(test->sexpected));
- EXPECT_EQ(Uint64ToString(test->num), test->uexpected);
- EXPECT_EQ(Uint64ToString16(test->num), UTF8ToUTF16(test->uexpected));
- }
-}
-
-TEST(StringNumberConversionsTest, Uint64ToString) {
- static const struct {
- uint64_t input;
- std::string output;
- } cases[] = {
- {0, "0"},
- {42, "42"},
- {INT_MAX, "2147483647"},
- {std::numeric_limits<uint64_t>::max(), "18446744073709551615"},
- };
-
- for (size_t i = 0; i < arraysize(cases); ++i)
- EXPECT_EQ(cases[i].output, Uint64ToString(cases[i].input));
-}
-
-TEST(StringNumberConversionsTest, SizeTToString) {
- size_t size_t_max = std::numeric_limits<size_t>::max();
- std::string size_t_max_string = StringPrintf("%" PRIuS, size_t_max);
-
- static const struct {
- size_t input;
- std::string output;
- } cases[] = {
- {0, "0"},
- {9, "9"},
- {42, "42"},
- {INT_MAX, "2147483647"},
- {2147483648U, "2147483648"},
-#if SIZE_MAX > 4294967295U
- {99999999999U, "99999999999"},
-#endif
- {size_t_max, size_t_max_string},
- };
-
- for (size_t i = 0; i < arraysize(cases); ++i)
- EXPECT_EQ(cases[i].output, Uint64ToString(cases[i].input));
-}
-
-TEST(StringNumberConversionsTest, StringToInt) {
- static const struct {
- std::string input;
- int output;
- bool success;
- } cases[] = {
- {"0", 0, true},
- {"42", 42, true},
- {"42\x99", 42, false},
- {"\x99" "42\x99", 0, false},
- {"-2147483648", INT_MIN, true},
- {"2147483647", INT_MAX, true},
- {"", 0, false},
- {" 42", 42, false},
- {"42 ", 42, false},
- {"\t\n\v\f\r 42", 42, false},
- {"blah42", 0, false},
- {"42blah", 42, false},
- {"blah42blah", 0, false},
- {"-273.15", -273, false},
- {"+98.6", 98, false},
- {"--123", 0, false},
- {"++123", 0, false},
- {"-+123", 0, false},
- {"+-123", 0, false},
- {"-", 0, false},
- {"-2147483649", INT_MIN, false},
- {"-99999999999", INT_MIN, false},
- {"2147483648", INT_MAX, false},
- {"99999999999", INT_MAX, false},
- };
-
- for (size_t i = 0; i < arraysize(cases); ++i) {
- int output = cases[i].output ^ 1; // Ensure StringToInt wrote something.
- EXPECT_EQ(cases[i].success, StringToInt(cases[i].input, &output));
- EXPECT_EQ(cases[i].output, output);
-
- string16 utf16_input = UTF8ToUTF16(cases[i].input);
- output = cases[i].output ^ 1; // Ensure StringToInt wrote something.
- EXPECT_EQ(cases[i].success, StringToInt(utf16_input, &output));
- EXPECT_EQ(cases[i].output, output);
- }
-
- // One additional test to verify that conversion of numbers in strings with
- // embedded NUL characters. The NUL and extra data after it should be
- // interpreted as junk after the number.
- const char input[] = "6\06";
- std::string input_string(input, arraysize(input) - 1);
- int output;
- EXPECT_FALSE(StringToInt(input_string, &output));
- EXPECT_EQ(6, output);
-
- string16 utf16_input = UTF8ToUTF16(input_string);
- output = 0;
- EXPECT_FALSE(StringToInt(utf16_input, &output));
- EXPECT_EQ(6, output);
-
- output = 0;
- const char16 negative_wide_input[] = { 0xFF4D, '4', '2', 0};
- EXPECT_FALSE(StringToInt(string16(negative_wide_input), &output));
- EXPECT_EQ(0, output);
-}
-
-TEST(StringNumberConversionsTest, StringToUint) {
- static const struct {
- std::string input;
- unsigned output;
- bool success;
- } cases[] = {
- {"0", 0, true},
- {"42", 42, true},
- {"42\x99", 42, false},
- {"\x99" "42\x99", 0, false},
- {"-2147483648", 0, false},
- {"2147483647", INT_MAX, true},
- {"", 0, false},
- {" 42", 42, false},
- {"42 ", 42, false},
- {"\t\n\v\f\r 42", 42, false},
- {"blah42", 0, false},
- {"42blah", 42, false},
- {"blah42blah", 0, false},
- {"-273.15", 0, false},
- {"+98.6", 98, false},
- {"--123", 0, false},
- {"++123", 0, false},
- {"-+123", 0, false},
- {"+-123", 0, false},
- {"-", 0, false},
- {"-2147483649", 0, false},
- {"-99999999999", 0, false},
- {"4294967295", UINT_MAX, true},
- {"4294967296", UINT_MAX, false},
- {"99999999999", UINT_MAX, false},
- };
-
- for (size_t i = 0; i < arraysize(cases); ++i) {
- unsigned output =
- cases[i].output ^ 1; // Ensure StringToUint wrote something.
- EXPECT_EQ(cases[i].success, StringToUint(cases[i].input, &output));
- EXPECT_EQ(cases[i].output, output);
-
- string16 utf16_input = UTF8ToUTF16(cases[i].input);
- output = cases[i].output ^ 1; // Ensure StringToUint wrote something.
- EXPECT_EQ(cases[i].success, StringToUint(utf16_input, &output));
- EXPECT_EQ(cases[i].output, output);
- }
-
- // One additional test to verify that conversion of numbers in strings with
- // embedded NUL characters. The NUL and extra data after it should be
- // interpreted as junk after the number.
- const char input[] = "6\06";
- std::string input_string(input, arraysize(input) - 1);
- unsigned output;
- EXPECT_FALSE(StringToUint(input_string, &output));
- EXPECT_EQ(6U, output);
-
- string16 utf16_input = UTF8ToUTF16(input_string);
- output = 0;
- EXPECT_FALSE(StringToUint(utf16_input, &output));
- EXPECT_EQ(6U, output);
-
- output = 0;
- const char16 negative_wide_input[] = { 0xFF4D, '4', '2', 0};
- EXPECT_FALSE(StringToUint(string16(negative_wide_input), &output));
- EXPECT_EQ(0U, output);
-}
-
-TEST(StringNumberConversionsTest, StringToInt64) {
- static const struct {
- std::string input;
- int64_t output;
- bool success;
- } cases[] = {
- {"0", 0, true},
- {"42", 42, true},
- {"-2147483648", INT_MIN, true},
- {"2147483647", INT_MAX, true},
- {"-2147483649", INT64_C(-2147483649), true},
- {"-99999999999", INT64_C(-99999999999), true},
- {"2147483648", INT64_C(2147483648), true},
- {"99999999999", INT64_C(99999999999), true},
- {"9223372036854775807", std::numeric_limits<int64_t>::max(), true},
- {"-9223372036854775808", std::numeric_limits<int64_t>::min(), true},
- {"09", 9, true},
- {"-09", -9, true},
- {"", 0, false},
- {" 42", 42, false},
- {"42 ", 42, false},
- {"0x42", 0, false},
- {"\t\n\v\f\r 42", 42, false},
- {"blah42", 0, false},
- {"42blah", 42, false},
- {"blah42blah", 0, false},
- {"-273.15", -273, false},
- {"+98.6", 98, false},
- {"--123", 0, false},
- {"++123", 0, false},
- {"-+123", 0, false},
- {"+-123", 0, false},
- {"-", 0, false},
- {"-9223372036854775809", std::numeric_limits<int64_t>::min(), false},
- {"-99999999999999999999", std::numeric_limits<int64_t>::min(), false},
- {"9223372036854775808", std::numeric_limits<int64_t>::max(), false},
- {"99999999999999999999", std::numeric_limits<int64_t>::max(), false},
- };
-
- for (size_t i = 0; i < arraysize(cases); ++i) {
- int64_t output = 0;
- EXPECT_EQ(cases[i].success, StringToInt64(cases[i].input, &output));
- EXPECT_EQ(cases[i].output, output);
-
- string16 utf16_input = UTF8ToUTF16(cases[i].input);
- output = 0;
- EXPECT_EQ(cases[i].success, StringToInt64(utf16_input, &output));
- EXPECT_EQ(cases[i].output, output);
- }
-
- // One additional test to verify that conversion of numbers in strings with
- // embedded NUL characters. The NUL and extra data after it should be
- // interpreted as junk after the number.
- const char input[] = "6\06";
- std::string input_string(input, arraysize(input) - 1);
- int64_t output;
- EXPECT_FALSE(StringToInt64(input_string, &output));
- EXPECT_EQ(6, output);
-
- string16 utf16_input = UTF8ToUTF16(input_string);
- output = 0;
- EXPECT_FALSE(StringToInt64(utf16_input, &output));
- EXPECT_EQ(6, output);
-}
-
-TEST(StringNumberConversionsTest, StringToUint64) {
- static const struct {
- std::string input;
- uint64_t output;
- bool success;
- } cases[] = {
- {"0", 0, true},
- {"42", 42, true},
- {"-2147483648", 0, false},
- {"2147483647", INT_MAX, true},
- {"-2147483649", 0, false},
- {"-99999999999", 0, false},
- {"2147483648", UINT64_C(2147483648), true},
- {"99999999999", UINT64_C(99999999999), true},
- {"9223372036854775807", std::numeric_limits<int64_t>::max(), true},
- {"-9223372036854775808", 0, false},
- {"09", 9, true},
- {"-09", 0, false},
- {"", 0, false},
- {" 42", 42, false},
- {"42 ", 42, false},
- {"0x42", 0, false},
- {"\t\n\v\f\r 42", 42, false},
- {"blah42", 0, false},
- {"42blah", 42, false},
- {"blah42blah", 0, false},
- {"-273.15", 0, false},
- {"+98.6", 98, false},
- {"--123", 0, false},
- {"++123", 0, false},
- {"-+123", 0, false},
- {"+-123", 0, false},
- {"-", 0, false},
- {"-9223372036854775809", 0, false},
- {"-99999999999999999999", 0, false},
- {"9223372036854775808", UINT64_C(9223372036854775808), true},
- {"99999999999999999999", std::numeric_limits<uint64_t>::max(), false},
- {"18446744073709551615", std::numeric_limits<uint64_t>::max(), true},
- {"18446744073709551616", std::numeric_limits<uint64_t>::max(), false},
- };
-
- for (size_t i = 0; i < arraysize(cases); ++i) {
- uint64_t output = 0;
- EXPECT_EQ(cases[i].success, StringToUint64(cases[i].input, &output));
- EXPECT_EQ(cases[i].output, output);
-
- string16 utf16_input = UTF8ToUTF16(cases[i].input);
- output = 0;
- EXPECT_EQ(cases[i].success, StringToUint64(utf16_input, &output));
- EXPECT_EQ(cases[i].output, output);
- }
-
- // One additional test to verify that conversion of numbers in strings with
- // embedded NUL characters. The NUL and extra data after it should be
- // interpreted as junk after the number.
- const char input[] = "6\06";
- std::string input_string(input, arraysize(input) - 1);
- uint64_t output;
- EXPECT_FALSE(StringToUint64(input_string, &output));
- EXPECT_EQ(6U, output);
-
- string16 utf16_input = UTF8ToUTF16(input_string);
- output = 0;
- EXPECT_FALSE(StringToUint64(utf16_input, &output));
- EXPECT_EQ(6U, output);
-}
-
-TEST(StringNumberConversionsTest, StringToSizeT) {
- size_t size_t_max = std::numeric_limits<size_t>::max();
- std::string size_t_max_string = StringPrintf("%" PRIuS, size_t_max);
-
- static const struct {
- std::string input;
- size_t output;
- bool success;
- } cases[] = {
- {"0", 0, true},
- {"42", 42, true},
- {"-2147483648", 0, false},
- {"2147483647", INT_MAX, true},
- {"-2147483649", 0, false},
- {"-99999999999", 0, false},
- {"2147483648", 2147483648U, true},
-#if SIZE_MAX > 4294967295U
- {"99999999999", 99999999999U, true},
-#endif
- {"-9223372036854775808", 0, false},
- {"09", 9, true},
- {"-09", 0, false},
- {"", 0, false},
- {" 42", 42, false},
- {"42 ", 42, false},
- {"0x42", 0, false},
- {"\t\n\v\f\r 42", 42, false},
- {"blah42", 0, false},
- {"42blah", 42, false},
- {"blah42blah", 0, false},
- {"-273.15", 0, false},
- {"+98.6", 98, false},
- {"--123", 0, false},
- {"++123", 0, false},
- {"-+123", 0, false},
- {"+-123", 0, false},
- {"-", 0, false},
- {"-9223372036854775809", 0, false},
- {"-99999999999999999999", 0, false},
- {"999999999999999999999999", size_t_max, false},
- {size_t_max_string, size_t_max, true},
- };
-
- for (size_t i = 0; i < arraysize(cases); ++i) {
- size_t output = 0;
- EXPECT_EQ(cases[i].success, StringToSizeT(cases[i].input, &output));
- EXPECT_EQ(cases[i].output, output);
-
- string16 utf16_input = UTF8ToUTF16(cases[i].input);
- output = 0;
- EXPECT_EQ(cases[i].success, StringToSizeT(utf16_input, &output));
- EXPECT_EQ(cases[i].output, output);
- }
-
- // One additional test to verify that conversion of numbers in strings with
- // embedded NUL characters. The NUL and extra data after it should be
- // interpreted as junk after the number.
- const char input[] = "6\06";
- std::string input_string(input, arraysize(input) - 1);
- size_t output;
- EXPECT_FALSE(StringToSizeT(input_string, &output));
- EXPECT_EQ(6U, output);
-
- string16 utf16_input = UTF8ToUTF16(input_string);
- output = 0;
- EXPECT_FALSE(StringToSizeT(utf16_input, &output));
- EXPECT_EQ(6U, output);
-}
-
-TEST(StringNumberConversionsTest, HexStringToInt) {
- static const struct {
- std::string input;
- int64_t output;
- bool success;
- } cases[] = {
- {"0", 0, true},
- {"42", 66, true},
- {"-42", -66, true},
- {"+42", 66, true},
- {"7fffffff", INT_MAX, true},
- {"-80000000", INT_MIN, true},
- {"80000000", INT_MAX, false}, // Overflow test.
- {"-80000001", INT_MIN, false}, // Underflow test.
- {"0x42", 66, true},
- {"-0x42", -66, true},
- {"+0x42", 66, true},
- {"0x7fffffff", INT_MAX, true},
- {"-0x80000000", INT_MIN, true},
- {"-80000000", INT_MIN, true},
- {"80000000", INT_MAX, false}, // Overflow test.
- {"-80000001", INT_MIN, false}, // Underflow test.
- {"0x0f", 15, true},
- {"0f", 15, true},
- {" 45", 0x45, false},
- {"\t\n\v\f\r 0x45", 0x45, false},
- {" 45", 0x45, false},
- {"45 ", 0x45, false},
- {"45:", 0x45, false},
- {"efgh", 0xef, false},
- {"0xefgh", 0xef, false},
- {"hgfe", 0, false},
- {"-", 0, false},
- {"", 0, false},
- {"0x", 0, false},
- };
-
- for (size_t i = 0; i < arraysize(cases); ++i) {
- int output = 0;
- EXPECT_EQ(cases[i].success, HexStringToInt(cases[i].input, &output));
- EXPECT_EQ(cases[i].output, output);
- }
- // One additional test to verify that conversion of numbers in strings with
- // embedded NUL characters. The NUL and extra data after it should be
- // interpreted as junk after the number.
- const char input[] = "0xc0ffee\0" "9";
- std::string input_string(input, arraysize(input) - 1);
- int output;
- EXPECT_FALSE(HexStringToInt(input_string, &output));
- EXPECT_EQ(0xc0ffee, output);
-}
-
-TEST(StringNumberConversionsTest, HexStringToUInt) {
- static const struct {
- std::string input;
- uint32_t output;
- bool success;
- } cases[] = {
- {"0", 0, true},
- {"42", 0x42, true},
- {"-42", 0, false},
- {"+42", 0x42, true},
- {"7fffffff", INT_MAX, true},
- {"-80000000", 0, false},
- {"ffffffff", 0xffffffff, true},
- {"DeadBeef", 0xdeadbeef, true},
- {"0x42", 0x42, true},
- {"-0x42", 0, false},
- {"+0x42", 0x42, true},
- {"0x7fffffff", INT_MAX, true},
- {"-0x80000000", 0, false},
- {"0xffffffff", std::numeric_limits<uint32_t>::max(), true},
- {"0XDeadBeef", 0xdeadbeef, true},
- {"0x7fffffffffffffff", std::numeric_limits<uint32_t>::max(),
- false}, // Overflow test.
- {"-0x8000000000000000", 0, false},
- {"0x8000000000000000", std::numeric_limits<uint32_t>::max(),
- false}, // Overflow test.
- {"-0x8000000000000001", 0, false},
- {"0xFFFFFFFFFFFFFFFF", std::numeric_limits<uint32_t>::max(),
- false}, // Overflow test.
- {"FFFFFFFFFFFFFFFF", std::numeric_limits<uint32_t>::max(),
- false}, // Overflow test.
- {"0x0000000000000000", 0, true},
- {"0000000000000000", 0, true},
- {"1FFFFFFFFFFFFFFFF", std::numeric_limits<uint32_t>::max(),
- false}, // Overflow test.
- {"0x0f", 0x0f, true},
- {"0f", 0x0f, true},
- {" 45", 0x45, false},
- {"\t\n\v\f\r 0x45", 0x45, false},
- {" 45", 0x45, false},
- {"45 ", 0x45, false},
- {"45:", 0x45, false},
- {"efgh", 0xef, false},
- {"0xefgh", 0xef, false},
- {"hgfe", 0, false},
- {"-", 0, false},
- {"", 0, false},
- {"0x", 0, false},
- };
-
- for (size_t i = 0; i < arraysize(cases); ++i) {
- uint32_t output = 0;
- EXPECT_EQ(cases[i].success, HexStringToUInt(cases[i].input, &output));
- EXPECT_EQ(cases[i].output, output);
- }
- // One additional test to verify that conversion of numbers in strings with
- // embedded NUL characters. The NUL and extra data after it should be
- // interpreted as junk after the number.
- const char input[] = "0xc0ffee\0" "9";
- std::string input_string(input, arraysize(input) - 1);
- uint32_t output;
- EXPECT_FALSE(HexStringToUInt(input_string, &output));
- EXPECT_EQ(0xc0ffeeU, output);
-}
-
-TEST(StringNumberConversionsTest, HexStringToInt64) {
- static const struct {
- std::string input;
- int64_t output;
- bool success;
- } cases[] = {
- {"0", 0, true},
- {"42", 66, true},
- {"-42", -66, true},
- {"+42", 66, true},
- {"40acd88557b", INT64_C(4444444448123), true},
- {"7fffffff", INT_MAX, true},
- {"-80000000", INT_MIN, true},
- {"ffffffff", 0xffffffff, true},
- {"DeadBeef", 0xdeadbeef, true},
- {"0x42", 66, true},
- {"-0x42", -66, true},
- {"+0x42", 66, true},
- {"0x40acd88557b", INT64_C(4444444448123), true},
- {"0x7fffffff", INT_MAX, true},
- {"-0x80000000", INT_MIN, true},
- {"0xffffffff", 0xffffffff, true},
- {"0XDeadBeef", 0xdeadbeef, true},
- {"0x7fffffffffffffff", std::numeric_limits<int64_t>::max(), true},
- {"-0x8000000000000000", std::numeric_limits<int64_t>::min(), true},
- {"0x8000000000000000", std::numeric_limits<int64_t>::max(),
- false}, // Overflow test.
- {"-0x8000000000000001", std::numeric_limits<int64_t>::min(),
- false}, // Underflow test.
- {"0x0f", 15, true},
- {"0f", 15, true},
- {" 45", 0x45, false},
- {"\t\n\v\f\r 0x45", 0x45, false},
- {" 45", 0x45, false},
- {"45 ", 0x45, false},
- {"45:", 0x45, false},
- {"efgh", 0xef, false},
- {"0xefgh", 0xef, false},
- {"hgfe", 0, false},
- {"-", 0, false},
- {"", 0, false},
- {"0x", 0, false},
- };
-
- for (size_t i = 0; i < arraysize(cases); ++i) {
- int64_t output = 0;
- EXPECT_EQ(cases[i].success, HexStringToInt64(cases[i].input, &output));
- EXPECT_EQ(cases[i].output, output);
- }
- // One additional test to verify that conversion of numbers in strings with
- // embedded NUL characters. The NUL and extra data after it should be
- // interpreted as junk after the number.
- const char input[] = "0xc0ffee\0" "9";
- std::string input_string(input, arraysize(input) - 1);
- int64_t output;
- EXPECT_FALSE(HexStringToInt64(input_string, &output));
- EXPECT_EQ(0xc0ffee, output);
-}
-
-TEST(StringNumberConversionsTest, HexStringToUInt64) {
- static const struct {
- std::string input;
- uint64_t output;
- bool success;
- } cases[] = {
- {"0", 0, true},
- {"42", 66, true},
- {"-42", 0, false},
- {"+42", 66, true},
- {"40acd88557b", INT64_C(4444444448123), true},
- {"7fffffff", INT_MAX, true},
- {"-80000000", 0, false},
- {"ffffffff", 0xffffffff, true},
- {"DeadBeef", 0xdeadbeef, true},
- {"0x42", 66, true},
- {"-0x42", 0, false},
- {"+0x42", 66, true},
- {"0x40acd88557b", INT64_C(4444444448123), true},
- {"0x7fffffff", INT_MAX, true},
- {"-0x80000000", 0, false},
- {"0xffffffff", 0xffffffff, true},
- {"0XDeadBeef", 0xdeadbeef, true},
- {"0x7fffffffffffffff", std::numeric_limits<int64_t>::max(), true},
- {"-0x8000000000000000", 0, false},
- {"0x8000000000000000", UINT64_C(0x8000000000000000), true},
- {"-0x8000000000000001", 0, false},
- {"0xFFFFFFFFFFFFFFFF", std::numeric_limits<uint64_t>::max(), true},
- {"FFFFFFFFFFFFFFFF", std::numeric_limits<uint64_t>::max(), true},
- {"0x0000000000000000", 0, true},
- {"0000000000000000", 0, true},
- {"1FFFFFFFFFFFFFFFF", std::numeric_limits<uint64_t>::max(),
- false}, // Overflow test.
- {"0x0f", 15, true},
- {"0f", 15, true},
- {" 45", 0x45, false},
- {"\t\n\v\f\r 0x45", 0x45, false},
- {" 45", 0x45, false},
- {"45 ", 0x45, false},
- {"45:", 0x45, false},
- {"efgh", 0xef, false},
- {"0xefgh", 0xef, false},
- {"hgfe", 0, false},
- {"-", 0, false},
- {"", 0, false},
- {"0x", 0, false},
- };
-
- for (size_t i = 0; i < arraysize(cases); ++i) {
- uint64_t output = 0;
- EXPECT_EQ(cases[i].success, HexStringToUInt64(cases[i].input, &output));
- EXPECT_EQ(cases[i].output, output);
- }
- // One additional test to verify that conversion of numbers in strings with
- // embedded NUL characters. The NUL and extra data after it should be
- // interpreted as junk after the number.
- const char input[] = "0xc0ffee\0" "9";
- std::string input_string(input, arraysize(input) - 1);
- uint64_t output;
- EXPECT_FALSE(HexStringToUInt64(input_string, &output));
- EXPECT_EQ(0xc0ffeeU, output);
-}
-
TEST(StringNumberConversionsTest, HexStringToBytes) {
static const struct {
const std::string input;
@@ -710,192 +59,10 @@ TEST(StringNumberConversionsTest, HexStringToBytes) {
ASSERT_EQ(output.size(), compare.size()) << i << ": " << cases[i].input;
EXPECT_TRUE(std::equal(output.begin(), output.end(), compare.begin())) <<
i << ": " << cases[i].input;
- }
-}
-
-TEST(StringNumberConversionsTest, StringToDouble) {
- static const struct {
- std::string input;
- double output;
- bool success;
- } cases[] = {
- // Test different forms of zero.
- {"0", 0.0, true},
- {"+0", 0.0, true},
- {"-0", 0.0, true},
- {"0.0", 0.0, true},
- {"000000000000000000000000000000.0", 0.0, true},
- {"0.000000000000000000000000000", 0.0, true},
-
- // Test the answer.
- {"42", 42.0, true},
- {"-42", -42.0, true},
-
- // Test variances of an ordinary number.
- {"123.45", 123.45, true},
- {"-123.45", -123.45, true},
- {"+123.45", 123.45, true},
-
- // Test different forms of representation.
- {"2.99792458e8", 299792458.0, true},
- {"149597870.691E+3", 149597870691.0, true},
- {"6.", 6.0, true},
-
- // Test around the largest/smallest value that a double can represent.
- {"9e307", 9e307, true},
- {"1.7976e308", 1.7976e308, true},
- {"1.7977e308", HUGE_VAL, false},
- {"1.797693134862315807e+308", HUGE_VAL, true},
- {"1.797693134862315808e+308", HUGE_VAL, false},
- {"9e308", HUGE_VAL, false},
- {"9e309", HUGE_VAL, false},
- {"9e999", HUGE_VAL, false},
- {"9e1999", HUGE_VAL, false},
- {"9e19999", HUGE_VAL, false},
- {"9e99999999999999999999", HUGE_VAL, false},
- {"-9e307", -9e307, true},
- {"-1.7976e308", -1.7976e308, true},
- {"-1.7977e308", -HUGE_VAL, false},
- {"-1.797693134862315807e+308", -HUGE_VAL, true},
- {"-1.797693134862315808e+308", -HUGE_VAL, false},
- {"-9e308", -HUGE_VAL, false},
- {"-9e309", -HUGE_VAL, false},
- {"-9e999", -HUGE_VAL, false},
- {"-9e1999", -HUGE_VAL, false},
- {"-9e19999", -HUGE_VAL, false},
- {"-9e99999999999999999999", -HUGE_VAL, false},
-
- // Test more exponents.
- {"1e-2", 0.01, true},
- {"42 ", 42.0, false},
- {" 1e-2", 0.01, false},
- {"1e-2 ", 0.01, false},
- {"-1E-7", -0.0000001, true},
- {"01e02", 100, true},
- {"2.3e15", 2.3e15, true},
- {"100e-309", 100e-309, true},
-
- // Test some invalid cases.
- {"\t\n\v\f\r -123.45e2", -12345.0, false},
- {"+123 e4", 123.0, false},
- {"123e ", 123.0, false},
- {"123e", 123.0, false},
- {" 2.99", 2.99, false},
- {"1e3.4", 1000.0, false},
- {"nothing", 0.0, false},
- {"-", 0.0, false},
- {"+", 0.0, false},
- {"", 0.0, false},
-
- // crbug.org/588726
- {"-0.0010000000000000000000000000000000000000001e-256",
- -1.0000000000000001e-259, true},
- };
-
- for (size_t i = 0; i < arraysize(cases); ++i) {
- double output;
- errno = 1;
- EXPECT_EQ(cases[i].success, StringToDouble(cases[i].input, &output));
- if (cases[i].success)
- EXPECT_EQ(1, errno) << i; // confirm that errno is unchanged.
- EXPECT_DOUBLE_EQ(cases[i].output, output);
- }
-
- // One additional test to verify that conversion of numbers in strings with
- // embedded NUL characters. The NUL and extra data after it should be
- // interpreted as junk after the number.
- const char input[] = "3.14\0" "159";
- std::string input_string(input, arraysize(input) - 1);
- double output;
- EXPECT_FALSE(StringToDouble(input_string, &output));
- EXPECT_DOUBLE_EQ(3.14, output);
-}
-
-TEST(StringNumberConversionsTest, DoubleToString) {
- static const struct {
- double input;
- const char* expected;
- } cases[] = {
- {0.0, "0"},
- {1.25, "1.25"},
- {1.33518e+012, "1.33518e+12"},
- {1.33489e+012, "1.33489e+12"},
- {1.33505e+012, "1.33505e+12"},
- {1.33545e+009, "1335450000"},
- {1.33503e+009, "1335030000"},
- };
-
- for (size_t i = 0; i < arraysize(cases); ++i) {
- EXPECT_EQ(cases[i].expected, DoubleToString(cases[i].input));
- }
-
- // The following two values were seen in crashes in the wild.
- const char input_bytes[8] = {0, 0, 0, 0, '\xee', '\x6d', '\x73', '\x42'};
- double input = 0;
- memcpy(&input, input_bytes, arraysize(input_bytes));
- EXPECT_EQ("1335179083776", DoubleToString(input));
- const char input_bytes2[8] =
- {0, 0, 0, '\xa0', '\xda', '\x6c', '\x73', '\x42'};
- input = 0;
- memcpy(&input, input_bytes2, arraysize(input_bytes2));
- EXPECT_EQ("1334890332160", DoubleToString(input));
-}
-
-TEST(StringNumberConversionsTest, HexEncode) {
- std::string hex(HexEncode(NULL, 0));
- EXPECT_EQ(hex.length(), 0U);
- unsigned char bytes[] = {0x01, 0xff, 0x02, 0xfe, 0x03, 0x80, 0x81};
- hex = HexEncode(bytes, sizeof(bytes));
- EXPECT_EQ(hex.compare("01FF02FE038081"), 0);
-}
-
-// Test cases of known-bad strtod conversions that motivated the use of dmg_fp.
-// See https://bugs.chromium.org/p/chromium/issues/detail?id=593512.
-TEST(StringNumberConversionsTest, StrtodFailures) {
- static const struct {
- const char* input;
- uint64_t expected;
- } cases[] = {
- // http://www.exploringbinary.com/incorrectly-rounded-conversions-in-visual-c-plus-plus/
- {"9214843084008499", 0x43405e6cec57761aULL},
- {"0.500000000000000166533453693773481063544750213623046875",
- 0x3fe0000000000002ULL},
- {"30078505129381147446200", 0x44997a3c7271b021ULL},
- {"1777820000000000000001", 0x4458180d5bad2e3eULL},
- {"0.500000000000000166547006220929549868969843373633921146392822265625",
- 0x3fe0000000000002ULL},
- {"0.50000000000000016656055874808561867439493653364479541778564453125",
- 0x3fe0000000000002ULL},
- {"0.3932922657273", 0x3fd92bb352c4623aULL},
-
- // http://www.exploringbinary.com/incorrectly-rounded-conversions-in-gcc-and-glibc/
- {"0.500000000000000166533453693773481063544750213623046875",
- 0x3fe0000000000002ULL},
- {"3.518437208883201171875e13", 0x42c0000000000002ULL},
- {"62.5364939768271845828", 0x404f44abd5aa7ca4ULL},
- {"8.10109172351e-10", 0x3e0bd5cbaef0fd0cULL},
- {"1.50000000000000011102230246251565404236316680908203125",
- 0x3ff8000000000000ULL},
- {"9007199254740991.4999999999999999999999999999999995",
- 0x433fffffffffffffULL},
-
- // http://www.exploringbinary.com/incorrect-decimal-to-floating-point-conversion-in-sqlite/
- {"1e-23", 0x3b282db34012b251ULL},
- {"8.533e+68", 0x4e3fa69165a8eea2ULL},
- {"4.1006e-184", 0x19dbe0d1c7ea60c9ULL},
- {"9.998e+307", 0x7fe1cc0a350ca87bULL},
- {"9.9538452227e-280", 0x0602117ae45cde43ULL},
- {"6.47660115e-260", 0x0a1fdd9e333badadULL},
- {"7.4e+47", 0x49e033d7eca0adefULL},
- {"5.92e+48", 0x4a1033d7eca0adefULL},
- {"7.35e+66", 0x4dd172b70eababa9ULL},
- {"8.32116e+55", 0x4b8b2628393e02cdULL},
- };
-
- for (const auto& test : cases) {
- double output;
- EXPECT_TRUE(StringToDouble(test.input, &output));
- EXPECT_EQ(bit_cast<uint64_t>(output), test.expected);
+ for (size_t i = 0; i < compare.size(); ++i ) {
+fprintf(stderr, "%x=%x ", output[i], compare[i]);
+ }
+fprintf(stderr, "\n");
}
}
« no previous file with comments | « base/BUILD.gn ('k') | base/strings/string_piece_unittest.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698