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103 changes: 92 additions & 11 deletions src/libraries/System.Runtime/tests/System/TimeZoneInfoTests.cs
Original file line number Diff line number Diff line change
Expand Up @@ -2477,17 +2477,98 @@ public static void GetSystemTimeZones_AllTimeZonesHaveOffsetInValidRange()

private static byte[] timeZoneFileContents = new byte[]
{
0x54, 0x5A, 0x69, 0x66, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x5A, 0x69, 0x66,
0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x0C, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xFF, 0xFF, 0xF8, 0xE4, 0x00, 0x00, 0x00, 0x00, 0x0E, 0x10, 0x01, 0x04, 0x00, 0x00, 0x00,
0x00, 0x00, 0x08, 0x00, 0x00, 0x0E, 0x10, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x4C,
0x4D, 0x54, 0x00, 0x2B, 0x30, 0x31, 0x00, 0x2B, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
// POSIX Rule
//
// Start of v1 Header
//

// Magic bytes "TZif"
/* 0000 */ 0x54, 0x5A, 0x69, 0x66,

// Version "2".
/* 0004 */ 0x32,

// Fifteen bytes containing zeros reserved for future use.
/* 0005 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

// The number of UT/local indicators stored in the file
/* 0014 */ 0x00, 0x00, 0x00, 0x00,

// The number of standard/wall indicators stored in the file
/* 0018 */ 0x00, 0x00, 0x00, 0x00,

// The number of leap seconds for which data entries are stored in the file
/* 001c */ 0x00, 0x00, 0x00, 0x00,

// The number of transition times for which data entries are stored in the file
/* 0020 */ 0x00, 0x00, 0x00, 0x00,

// The number of local time types for which data entries are stored in the file (must not be zero)
/* 0024 */ 0x00, 0x00, 0x00, 0x01,

// The number of bytes of time zone abbreviation strings stored in the file
/* 0028 */ 0x00, 0x00, 0x00, 0x00,

//
// End of v1 Header
//

// Padding for times count (time type count = 1 * 6 (sizeof(ttinfo)))
// struct ttinfo {
// int32_t tt_utoff;
// unsigned char tt_isdst;
// unsigned char tt_desigidx;
// };
/* 002C */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

//
// Start of v2 header
//

// Magic bytes "TZif"
/* 0032 */ 0x54, 0x5A, 0x69, 0x66,

// Version "2"
/* 0036 */ 0x32,

// Reserved Bytes
/* 0037 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

// The number of UT/local indicators stored in the file
/* 0046 */ 0x00, 0x00, 0x00, 0x01,

// The number of standard/wall indicators stored in the file
/* 004A */ 0x00, 0x00, 0x00, 0x01,

// The number of leap seconds for which data entries are stored in the file
/* 004E */ 0x00, 0x00, 0x00, 0x00,

// The number of transition times for which data entries are stored in the file
/* 0052 */ 0x00, 0x00, 0x00, 0x01,

// The number of local time types for which data entries are stored in the file (must not be zero)
/* 0056 */ 0x00, 0x00, 0x00, 0x01,

// The number of bytes of time zone abbreviation strings stored in the file
/* 005A */ 0x00, 0x00, 0x00, 0x0C,

// Transition 0 # seconds
/* 005E */ 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

// transition table[0] has the locale time types index
/* 0065 */ 0x00,

// ttinfo table[0]: <UtcOffset:-00:30:20, IsDst::00, TZ Abbre Index: 00>
/* 0066 */ 0xFF, 0xFF, 0xF8, 0xE4, 0x00, 0x00,

// Zone abbreviation strings: "LMT+01+00"
/* 0072 */ 0x4C, 0x4D, 0x54, 0x00, 0x2B, 0x30, 0x31, 0x00, 0x2B, 0x30, 0x30, 0x00,

// standard/wall indicators values [0, 0, 0, 0, 0]
/* 007E */ 0x00,

// UT/local indicators [0, 0, 0, 0, 0]
/* 007F */ 0x00,
// POSIX Rule: <+00>0<+01>,0/0,J365/25
// 0x0A, 0x3C, 0x2B, 0x30, 0x30, 0x3E, 0x30, 0x3C, 0x2B, 0x30, 0x31,
// 0x3E, 0x2C, 0x30, 0x2F, 0x30, 0x2C, 0x4A, 0x33, 0x36, 0x35, 0x2F, 0x32, 0x35, 0x0A
};
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