ztrailer_len,
) {
Ok(None) => Some(Ok(Record::Cases(Rc::new(RefCell::new(self.cases()))))),
- Ok(Some(ztrailer)) => Some(Ok(Record::ZTrailer(ztrailer))),
+ Ok(Some(ztrailer)) => {
+ self.state = ReaderState::Cases;
+ Some(Ok(Record::ZTrailer(ztrailer)))
+ }
Err(error) => Some(Err(error)),
}
}
test_sysfile("compressed_data_other_bias");
}
+#[test]
+fn zcompressed_data() {
+ test_sysfile("zcompressed_data");
+}
+
+#[test]
+fn no_variables() {
+ test_sysfile("no_variables");
+}
+
fn test_sysfile(name: &str) {
let input_filename = Path::new(env!("CARGO_MANIFEST_DIR"))
.join("src/sys/testdata")
--- /dev/null
+Compression bias is 50 instead of the usual values of 0 or 100.
+
+╭──────────────────────┬────────────────────────╮
+│ Created │ 01-JAN-2011 20:53:52│
+├──────────────────────┼────────────────────────┤
+│Writer Product │PSPP synthetic test file│
+├──────────────────────┼────────────────────────┤
+│ Compression │SAV │
+│ Number of Cases│Unknown │
+╰──────────────────────┴────────────────────────╯
+
+╭─────────┬────────────────────────╮
+│Label │PSPP synthetic test file│
+│Variables│ 5│
+╰─────────┴────────────────────────╯
+
+╭─────┬────────┬─────┬─────────────────┬─────┬─────┬─────────┬────────────┬────────────┬──────────────╮
+│ │Position│Label│Measurement Level│ Role│Width│Alignment│Print Format│Write Format│Missing Values│
+├─────┼────────┼─────┼─────────────────┼─────┼─────┼─────────┼────────────┼────────────┼──────────────┤
+│num1 │ 1│ │ │Input│ 8│Right │F8.0 │F8.0 │ │
+│num2 │ 2│ │ │Input│ 8│Right │F8.0 │F8.0 │ │
+│str4 │ 3│ │Nominal │Input│ 4│Left │A4 │A4 │ │
+│str8 │ 4│ │Nominal │Input│ 8│Left │A8 │A8 │ │
+│str15│ 5│ │Nominal │Input│ 15│Left │A15 │A15 │ │
+╰─────┴────────┴─────┴─────────────────┴─────┴─────┴─────────┴────────────┴────────────┴──────────────╯
--- /dev/null
+# File header.
+"$FL2"; s60 "$(#) SPSS DATA FILE PSPP synthetic test file";
+2; # Layout code
+6; # Nominal case size
+1; # Simple compression.
+0; # Not weighted
+-1; # Unspecified number of cases.
+50.0; # Bias.
+"01 Jan 11"; "20:53:52"; s64 "PSPP synthetic test file";
+i8 0 *3;
+
+# Numeric variables.
+2; 0; 0; 0; 0x050800 *2; s8 "NUM1";
+2; 0; 0; 0; 0x050800 *2; s8 "NUM2";
+
+# String variable.
+2; 4; 0; 0; 0x010400 *2; s8 "STR4";
+2; 8; 0; 0; 0x010800 *2; s8 "STR8";
+2; 15; 0; 0; 0x010f00 *2; s8 "STR15";
+2; -1; 0; 0; 0; 0; s8 "";
+
+# Character encoding record.
+7; 20; 1; 12; "windows-1252";
+
+# Dictionary termination record.
+999; 0;
+
+# Compressed data.
+i8 1 100 254 253 254 253; i8 255 251; "abcdefgh"; s8 "0123";
+i8 253 253 253 254; i8 101 102 253 253; s8 "jklm"; s8 "nopqrstu";
+s8 "vwxyzABC"; s8 "DEFG"; s8 "HIJKLMNO";
+i8 254 253 252 0 0 0 0 0; s8 "PQRSTUVW";
--- /dev/null
+╭──────────────────────┬────────────────────────╮
+│ Created │ 01-JAN-2011 20:53:52│
+├──────────────────────┼────────────────────────┤
+│Writer Product │PSPP synthetic test file│
+├──────────────────────┼────────────────────────┤
+│ Compression │SAV │
+│ Number of Cases│Unknown │
+╰──────────────────────┴────────────────────────╯
+
+╭─────────┬────────────────────────╮
+│Label │PSPP synthetic test file│
+│Variables│ 5│
+╰─────────┴────────────────────────╯
+
+╭─────┬────────┬─────┬─────────────────┬─────┬─────┬─────────┬────────────┬────────────┬──────────────╮
+│ │Position│Label│Measurement Level│ Role│Width│Alignment│Print Format│Write Format│Missing Values│
+├─────┼────────┼─────┼─────────────────┼─────┼─────┼─────────┼────────────┼────────────┼──────────────┤
+│num1 │ 1│ │ │Input│ 8│Right │F8.0 │F8.0 │ │
+│num2 │ 2│ │ │Input│ 8│Right │F8.0 │F8.0 │ │
+│str4 │ 3│ │Nominal │Input│ 4│Left │A4 │A4 │ │
+│str8 │ 4│ │Nominal │Input│ 8│Left │A8 │A8 │ │
+│str15│ 5│ │Nominal │Input│ 15│Left │A15 │A15 │ │
+╰─────┴────────┴─────┴─────────────────┴─────┴─────┴─────────┴────────────┴────────────┴──────────────╯
--- /dev/null
+# File header.
+"$FL2"; s60 "$(#) SPSS DATA FILE PSPP synthetic test file";
+2; # Layout code
+6; # Nominal case size
+1; # Simple compression.
+0; # Not weighted
+-1; # Unspecified number of cases.
+0.0; # Bias.
+"01 Jan 11"; "20:53:52"; s64 "PSPP synthetic test file";
+i8 0 *3;
+
+# Numeric variables.
+2; 0; 0; 0; 0x050800 *2; s8 "NUM1";
+2; 0; 0; 0; 0x050800 *2; s8 "NUM2";
+
+# String variable.
+2; 4; 0; 0; 0x010400 *2; s8 "STR4";
+2; 8; 0; 0; 0x010800 *2; s8 "STR8";
+2; 15; 0; 0; 0x010f00 *2; s8 "STR15";
+2; -1; 0; 0; 0; 0; s8 "";
+
+# Character encoding record.
+7; 20; 1; 12; "windows-1252";
+
+# Dictionary termination record.
+999; 0;
+
+# Compressed data.
+i8 1 100 254 253 254 253; i8 255 251; "abcdefgh"; s8 "0123";
+i8 253 253 253 254; i8 101 102 253 253; s8 "jklm"; s8 "nopqrstu";
+s8 "vwxyzABC"; s8 "DEFG"; s8 "HIJKLMNO";
+i8 254 253 252 0 0 0 0 0; s8 "PQRSTUVW";
--- /dev/null
+╭──────────────────────┬────────────────────────╮
+│ Created │ 01-JAN-2011 20:53:52│
+├──────────────────────┼────────────────────────┤
+│Writer Product │PSPP synthetic test file│
+├──────────────────────┼────────────────────────┤
+│ Compression │None │
+│ Number of Cases│ 0│
+╰──────────────────────┴────────────────────────╯
+
+╭─────────┬────────────────────────╮
+│Label │PSPP synthetic test file│
+│Variables│ 0│
+╰─────────┴────────────────────────╯
+
--- /dev/null
+# File header.
+"$FL2"; s60 "$(#) SPSS DATA FILE PSPP synthetic test file";
+2; # Layout code
+0; # Nominal case size (empty)
+0; # Not compressed
+0; # Not weighted
+0; # 0 cases.
+100.0; # Bias.
+"01 Jan 11"; "20:53:52"; s64 "PSPP synthetic test file";
+i8 0 *3;
+
+# Character encoding record.
+7; 20; 1; 12; "windows-1252";
+
+# Dictionary termination record.
+999; 0;
--- /dev/null
+╭──────────────────────┬────────────────────────╮
+│ Created │ 01-JAN-2011 20:53:52│
+├──────────────────────┼────────────────────────┤
+│Writer Product │PSPP synthetic test file│
+├──────────────────────┼────────────────────────┤
+│ Compression │ZSAV │
+│ Number of Cases│Unknown │
+╰──────────────────────┴────────────────────────╯
+
+╭─────────┬────────────────────────╮
+│Label │PSPP synthetic test file│
+│Variables│ 5│
+╰─────────┴────────────────────────╯
+
+╭─────┬────────┬─────┬─────────────────┬─────┬─────┬─────────┬────────────┬────────────┬──────────────╮
+│ │Position│Label│Measurement Level│ Role│Width│Alignment│Print Format│Write Format│Missing Values│
+├─────┼────────┼─────┼─────────────────┼─────┼─────┼─────────┼────────────┼────────────┼──────────────┤
+│num1 │ 1│ │ │Input│ 8│Right │F8.0 │F8.0 │ │
+│num2 │ 2│ │ │Input│ 8│Right │F8.0 │F8.0 │ │
+│str4 │ 3│ │Nominal │Input│ 4│Left │A4 │A4 │ │
+│str8 │ 4│ │Nominal │Input│ 8│Left │A8 │A8 │ │
+│str15│ 5│ │Nominal │Input│ 15│Left │A15 │A15 │ │
+╰─────┴────────┴─────┴─────────────────┴─────┴─────┴─────────┴────────────┴────────────┴──────────────╯
--- /dev/null
+# File header.
+"$FL3"; s60 "$(#) SPSS DATA FILE PSPP synthetic test file";
+2; # Layout code
+6; # Nominal case size
+2; # zlib compressed
+0; # Not weighted
+-1; # Unspecified number of cases.
+100.0; # Bias.
+"01 Jan 11"; "20:53:52"; s64 "PSPP synthetic test file";
+i8 0 *3;
+
+# Numeric variables.
+2; 0; 0; 0; 0x050800 *2; s8 "NUM1";
+2; 0; 0; 0; 0x050800 *2; s8 "NUM2";
+
+# String variable.
+2; 4; 0; 0; 0x010400 *2; s8 "STR4";
+2; 8; 0; 0; 0x010800 *2; s8 "STR8";
+2; 15; 0; 0; 0x010f00 *2; s8 "STR15";
+2; -1; 0; 0; 0; 0; s8 "";
+
+# Character encoding record.
+7; 20; 1; 12; "windows-1252";
+
+# Dictionary termination record.
+999; 0;
+
+# ZLIB data header.
+i64 0x194; # zheader_ofs
+i64 0x205; # ztrailer_ofs
+i64 48; # ztrailer_len
+
+# ZLIB data block.
+#
+# This is the compressed form of:
+#
+# 01 64 fe fd fe fd ff fb 61 62 63 64 65 66 67 68 |.d......abcdefgh|
+# 30 31 32 33 20 20 20 20 fd fd fd fe 65 66 fd fd |0123 ....ef..|
+# 6a 6b 6c 6d 20 20 20 20 6e 6f 70 71 72 73 74 75 |jklm nopqrstu|
+# 76 77 78 79 7a 41 42 43 44 45 46 47 20 20 20 20 |vwxyzABCDEFG |
+# 48 49 4a 4b 4c 4d 4e 4f fe fd fc 00 00 00 00 00 |HIJKLMNO........|
+# 50 51 52 53 54 55 56 57 |PQRSTUVW|
+#
+# which is the data from the "compressed data" test.
+hex "78 01 63 4c f9 f7 f7 df df ff bf 13 93 92 53 52";
+hex "d3 d2 33 0c 0c 8d 8c 15 80 e0 ef df bf ff 52 d3";
+hex "fe fe cd ca ce c9 05 f1 f3 f2 0b 0a 8b 8a 4b 4a";
+hex "cb ca 2b 2a ab 1c 9d 9c 5d 5c dd dc 41 e2 1e 9e";
+hex "5e de 3e be 7e fe ff fe fe 61 00 81 80 c0 a0 e0";
+hex "90 d0 b0 70 00 0f 3f 23 d7";
+
+# ZLIB data trailer fixed header:
+i64 -100; # ztrailer_bias
+i64 0; # ztrailer_zero
+0x3ff000; # block_size
+1; # n_blocks
+
+# ZLIB block descriptor:
+i64 0x194; # uncompressed_ofs
+i64 0x1ac; # compressed_ofs
+88; # uncompressed_size
+89; # compressed_size
projects / pspp / commitdiff