summaryrefslogtreecommitdiffstats
path: root/src/archive/tar/strconv_test.go
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/archive/tar/strconv_test.go441
1 files changed, 441 insertions, 0 deletions
diff --git a/src/archive/tar/strconv_test.go b/src/archive/tar/strconv_test.go
new file mode 100644
index 0000000..add65e2
--- /dev/null
+++ b/src/archive/tar/strconv_test.go
@@ -0,0 +1,441 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package tar
+
+import (
+ "math"
+ "strings"
+ "testing"
+ "time"
+)
+
+func TestFitsInBase256(t *testing.T) {
+ vectors := []struct {
+ in int64
+ width int
+ ok bool
+ }{
+ {+1, 8, true},
+ {0, 8, true},
+ {-1, 8, true},
+ {1 << 56, 8, false},
+ {(1 << 56) - 1, 8, true},
+ {-1 << 56, 8, true},
+ {(-1 << 56) - 1, 8, false},
+ {121654, 8, true},
+ {-9849849, 8, true},
+ {math.MaxInt64, 9, true},
+ {0, 9, true},
+ {math.MinInt64, 9, true},
+ {math.MaxInt64, 12, true},
+ {0, 12, true},
+ {math.MinInt64, 12, true},
+ }
+
+ for _, v := range vectors {
+ ok := fitsInBase256(v.width, v.in)
+ if ok != v.ok {
+ t.Errorf("fitsInBase256(%d, %d): got %v, want %v", v.in, v.width, ok, v.ok)
+ }
+ }
+}
+
+func TestParseNumeric(t *testing.T) {
+ vectors := []struct {
+ in string
+ want int64
+ ok bool
+ }{
+ // Test base-256 (binary) encoded values.
+ {"", 0, true},
+ {"\x80", 0, true},
+ {"\x80\x00", 0, true},
+ {"\x80\x00\x00", 0, true},
+ {"\xbf", (1 << 6) - 1, true},
+ {"\xbf\xff", (1 << 14) - 1, true},
+ {"\xbf\xff\xff", (1 << 22) - 1, true},
+ {"\xff", -1, true},
+ {"\xff\xff", -1, true},
+ {"\xff\xff\xff", -1, true},
+ {"\xc0", -1 * (1 << 6), true},
+ {"\xc0\x00", -1 * (1 << 14), true},
+ {"\xc0\x00\x00", -1 * (1 << 22), true},
+ {"\x87\x76\xa2\x22\xeb\x8a\x72\x61", 537795476381659745, true},
+ {"\x80\x00\x00\x00\x07\x76\xa2\x22\xeb\x8a\x72\x61", 537795476381659745, true},
+ {"\xf7\x76\xa2\x22\xeb\x8a\x72\x61", -615126028225187231, true},
+ {"\xff\xff\xff\xff\xf7\x76\xa2\x22\xeb\x8a\x72\x61", -615126028225187231, true},
+ {"\x80\x7f\xff\xff\xff\xff\xff\xff\xff", math.MaxInt64, true},
+ {"\x80\x80\x00\x00\x00\x00\x00\x00\x00", 0, false},
+ {"\xff\x80\x00\x00\x00\x00\x00\x00\x00", math.MinInt64, true},
+ {"\xff\x7f\xff\xff\xff\xff\xff\xff\xff", 0, false},
+ {"\xf5\xec\xd1\xc7\x7e\x5f\x26\x48\x81\x9f\x8f\x9b", 0, false},
+
+ // Test base-8 (octal) encoded values.
+ {"0000000\x00", 0, true},
+ {" \x0000000\x00", 0, true},
+ {" \x0000003\x00", 3, true},
+ {"00000000227\x00", 0227, true},
+ {"032033\x00 ", 032033, true},
+ {"320330\x00 ", 0320330, true},
+ {"0000660\x00 ", 0660, true},
+ {"\x00 0000660\x00 ", 0660, true},
+ {"0123456789abcdef", 0, false},
+ {"0123456789\x00abcdef", 0, false},
+ {"01234567\x0089abcdef", 342391, true},
+ {"0123\x7e\x5f\x264123", 0, false},
+ }
+
+ for _, v := range vectors {
+ var p parser
+ got := p.parseNumeric([]byte(v.in))
+ ok := (p.err == nil)
+ if ok != v.ok {
+ if v.ok {
+ t.Errorf("parseNumeric(%q): got parsing failure, want success", v.in)
+ } else {
+ t.Errorf("parseNumeric(%q): got parsing success, want failure", v.in)
+ }
+ }
+ if ok && got != v.want {
+ t.Errorf("parseNumeric(%q): got %d, want %d", v.in, got, v.want)
+ }
+ }
+}
+
+func TestFormatNumeric(t *testing.T) {
+ vectors := []struct {
+ in int64
+ want string
+ ok bool
+ }{
+ // Test base-8 (octal) encoded values.
+ {0, "0\x00", true},
+ {7, "7\x00", true},
+ {8, "\x80\x08", true},
+ {077, "77\x00", true},
+ {0100, "\x80\x00\x40", true},
+ {0, "0000000\x00", true},
+ {0123, "0000123\x00", true},
+ {07654321, "7654321\x00", true},
+ {07777777, "7777777\x00", true},
+ {010000000, "\x80\x00\x00\x00\x00\x20\x00\x00", true},
+ {0, "00000000000\x00", true},
+ {000001234567, "00001234567\x00", true},
+ {076543210321, "76543210321\x00", true},
+ {012345670123, "12345670123\x00", true},
+ {077777777777, "77777777777\x00", true},
+ {0100000000000, "\x80\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00", true},
+ {math.MaxInt64, "777777777777777777777\x00", true},
+
+ // Test base-256 (binary) encoded values.
+ {-1, "\xff", true},
+ {-1, "\xff\xff", true},
+ {-1, "\xff\xff\xff", true},
+ {(1 << 0), "0", false},
+ {(1 << 8) - 1, "\x80\xff", true},
+ {(1 << 8), "0\x00", false},
+ {(1 << 16) - 1, "\x80\xff\xff", true},
+ {(1 << 16), "00\x00", false},
+ {-1 * (1 << 0), "\xff", true},
+ {-1*(1<<0) - 1, "0", false},
+ {-1 * (1 << 8), "\xff\x00", true},
+ {-1*(1<<8) - 1, "0\x00", false},
+ {-1 * (1 << 16), "\xff\x00\x00", true},
+ {-1*(1<<16) - 1, "00\x00", false},
+ {537795476381659745, "0000000\x00", false},
+ {537795476381659745, "\x80\x00\x00\x00\x07\x76\xa2\x22\xeb\x8a\x72\x61", true},
+ {-615126028225187231, "0000000\x00", false},
+ {-615126028225187231, "\xff\xff\xff\xff\xf7\x76\xa2\x22\xeb\x8a\x72\x61", true},
+ {math.MaxInt64, "0000000\x00", false},
+ {math.MaxInt64, "\x80\x00\x00\x00\x7f\xff\xff\xff\xff\xff\xff\xff", true},
+ {math.MinInt64, "0000000\x00", false},
+ {math.MinInt64, "\xff\xff\xff\xff\x80\x00\x00\x00\x00\x00\x00\x00", true},
+ {math.MaxInt64, "\x80\x7f\xff\xff\xff\xff\xff\xff\xff", true},
+ {math.MinInt64, "\xff\x80\x00\x00\x00\x00\x00\x00\x00", true},
+ }
+
+ for _, v := range vectors {
+ var f formatter
+ got := make([]byte, len(v.want))
+ f.formatNumeric(got, v.in)
+ ok := (f.err == nil)
+ if ok != v.ok {
+ if v.ok {
+ t.Errorf("formatNumeric(%d): got formatting failure, want success", v.in)
+ } else {
+ t.Errorf("formatNumeric(%d): got formatting success, want failure", v.in)
+ }
+ }
+ if string(got) != v.want {
+ t.Errorf("formatNumeric(%d): got %q, want %q", v.in, got, v.want)
+ }
+ }
+}
+
+func TestFitsInOctal(t *testing.T) {
+ vectors := []struct {
+ input int64
+ width int
+ ok bool
+ }{
+ {-1, 1, false},
+ {-1, 2, false},
+ {-1, 3, false},
+ {0, 1, true},
+ {0 + 1, 1, false},
+ {0, 2, true},
+ {07, 2, true},
+ {07 + 1, 2, false},
+ {0, 4, true},
+ {0777, 4, true},
+ {0777 + 1, 4, false},
+ {0, 8, true},
+ {07777777, 8, true},
+ {07777777 + 1, 8, false},
+ {0, 12, true},
+ {077777777777, 12, true},
+ {077777777777 + 1, 12, false},
+ {math.MaxInt64, 22, true},
+ {012345670123, 12, true},
+ {01564164, 12, true},
+ {-012345670123, 12, false},
+ {-01564164, 12, false},
+ {-1564164, 30, false},
+ }
+
+ for _, v := range vectors {
+ ok := fitsInOctal(v.width, v.input)
+ if ok != v.ok {
+ t.Errorf("checkOctal(%d, %d): got %v, want %v", v.input, v.width, ok, v.ok)
+ }
+ }
+}
+
+func TestParsePAXTime(t *testing.T) {
+ vectors := []struct {
+ in string
+ want time.Time
+ ok bool
+ }{
+ {"1350244992.023960108", time.Unix(1350244992, 23960108), true},
+ {"1350244992.02396010", time.Unix(1350244992, 23960100), true},
+ {"1350244992.0239601089", time.Unix(1350244992, 23960108), true},
+ {"1350244992.3", time.Unix(1350244992, 300000000), true},
+ {"1350244992", time.Unix(1350244992, 0), true},
+ {"-1.000000001", time.Unix(-1, -1e0+0e0), true},
+ {"-1.000001", time.Unix(-1, -1e3+0e0), true},
+ {"-1.001000", time.Unix(-1, -1e6+0e0), true},
+ {"-1", time.Unix(-1, -0e0+0e0), true},
+ {"-1.999000", time.Unix(-1, -1e9+1e6), true},
+ {"-1.999999", time.Unix(-1, -1e9+1e3), true},
+ {"-1.999999999", time.Unix(-1, -1e9+1e0), true},
+ {"0.000000001", time.Unix(0, 1e0+0e0), true},
+ {"0.000001", time.Unix(0, 1e3+0e0), true},
+ {"0.001000", time.Unix(0, 1e6+0e0), true},
+ {"0", time.Unix(0, 0e0), true},
+ {"0.999000", time.Unix(0, 1e9-1e6), true},
+ {"0.999999", time.Unix(0, 1e9-1e3), true},
+ {"0.999999999", time.Unix(0, 1e9-1e0), true},
+ {"1.000000001", time.Unix(+1, +1e0-0e0), true},
+ {"1.000001", time.Unix(+1, +1e3-0e0), true},
+ {"1.001000", time.Unix(+1, +1e6-0e0), true},
+ {"1", time.Unix(+1, +0e0-0e0), true},
+ {"1.999000", time.Unix(+1, +1e9-1e6), true},
+ {"1.999999", time.Unix(+1, +1e9-1e3), true},
+ {"1.999999999", time.Unix(+1, +1e9-1e0), true},
+ {"-1350244992.023960108", time.Unix(-1350244992, -23960108), true},
+ {"-1350244992.02396010", time.Unix(-1350244992, -23960100), true},
+ {"-1350244992.0239601089", time.Unix(-1350244992, -23960108), true},
+ {"-1350244992.3", time.Unix(-1350244992, -300000000), true},
+ {"-1350244992", time.Unix(-1350244992, 0), true},
+ {"", time.Time{}, false},
+ {"0", time.Unix(0, 0), true},
+ {"1.", time.Unix(1, 0), true},
+ {"0.0", time.Unix(0, 0), true},
+ {".5", time.Time{}, false},
+ {"-1.3", time.Unix(-1, -3e8), true},
+ {"-1.0", time.Unix(-1, -0e0), true},
+ {"-0.0", time.Unix(-0, -0e0), true},
+ {"-0.1", time.Unix(-0, -1e8), true},
+ {"-0.01", time.Unix(-0, -1e7), true},
+ {"-0.99", time.Unix(-0, -99e7), true},
+ {"-0.98", time.Unix(-0, -98e7), true},
+ {"-1.1", time.Unix(-1, -1e8), true},
+ {"-1.01", time.Unix(-1, -1e7), true},
+ {"-2.99", time.Unix(-2, -99e7), true},
+ {"-5.98", time.Unix(-5, -98e7), true},
+ {"-", time.Time{}, false},
+ {"+", time.Time{}, false},
+ {"-1.-1", time.Time{}, false},
+ {"99999999999999999999999999999999999999999999999", time.Time{}, false},
+ {"0.123456789abcdef", time.Time{}, false},
+ {"foo", time.Time{}, false},
+ {"\x00", time.Time{}, false},
+ {"𝟵𝟴𝟳𝟲𝟱.𝟰𝟯𝟮𝟭𝟬", time.Time{}, false}, // Unicode numbers (U+1D7EC to U+1D7F5)
+ {"98765﹒43210", time.Time{}, false}, // Unicode period (U+FE52)
+ }
+
+ for _, v := range vectors {
+ ts, err := parsePAXTime(v.in)
+ ok := (err == nil)
+ if v.ok != ok {
+ if v.ok {
+ t.Errorf("parsePAXTime(%q): got parsing failure, want success", v.in)
+ } else {
+ t.Errorf("parsePAXTime(%q): got parsing success, want failure", v.in)
+ }
+ }
+ if ok && !ts.Equal(v.want) {
+ t.Errorf("parsePAXTime(%q): got (%ds %dns), want (%ds %dns)",
+ v.in, ts.Unix(), ts.Nanosecond(), v.want.Unix(), v.want.Nanosecond())
+ }
+ }
+}
+
+func TestFormatPAXTime(t *testing.T) {
+ vectors := []struct {
+ sec, nsec int64
+ want string
+ }{
+ {1350244992, 0, "1350244992"},
+ {1350244992, 300000000, "1350244992.3"},
+ {1350244992, 23960100, "1350244992.0239601"},
+ {1350244992, 23960108, "1350244992.023960108"},
+ {+1, +1e9 - 1e0, "1.999999999"},
+ {+1, +1e9 - 1e3, "1.999999"},
+ {+1, +1e9 - 1e6, "1.999"},
+ {+1, +0e0 - 0e0, "1"},
+ {+1, +1e6 - 0e0, "1.001"},
+ {+1, +1e3 - 0e0, "1.000001"},
+ {+1, +1e0 - 0e0, "1.000000001"},
+ {0, 1e9 - 1e0, "0.999999999"},
+ {0, 1e9 - 1e3, "0.999999"},
+ {0, 1e9 - 1e6, "0.999"},
+ {0, 0e0, "0"},
+ {0, 1e6 + 0e0, "0.001"},
+ {0, 1e3 + 0e0, "0.000001"},
+ {0, 1e0 + 0e0, "0.000000001"},
+ {-1, -1e9 + 1e0, "-1.999999999"},
+ {-1, -1e9 + 1e3, "-1.999999"},
+ {-1, -1e9 + 1e6, "-1.999"},
+ {-1, -0e0 + 0e0, "-1"},
+ {-1, -1e6 + 0e0, "-1.001"},
+ {-1, -1e3 + 0e0, "-1.000001"},
+ {-1, -1e0 + 0e0, "-1.000000001"},
+ {-1350244992, 0, "-1350244992"},
+ {-1350244992, -300000000, "-1350244992.3"},
+ {-1350244992, -23960100, "-1350244992.0239601"},
+ {-1350244992, -23960108, "-1350244992.023960108"},
+ }
+
+ for _, v := range vectors {
+ got := formatPAXTime(time.Unix(v.sec, v.nsec))
+ if got != v.want {
+ t.Errorf("formatPAXTime(%ds, %dns): got %q, want %q",
+ v.sec, v.nsec, got, v.want)
+ }
+ }
+}
+
+func TestParsePAXRecord(t *testing.T) {
+ medName := strings.Repeat("CD", 50)
+ longName := strings.Repeat("AB", 100)
+
+ vectors := []struct {
+ in string
+ wantRes string
+ wantKey string
+ wantVal string
+ ok bool
+ }{
+ {"6 k=v\n\n", "\n", "k", "v", true},
+ {"19 path=/etc/hosts\n", "", "path", "/etc/hosts", true},
+ {"210 path=" + longName + "\nabc", "abc", "path", longName, true},
+ {"110 path=" + medName + "\n", "", "path", medName, true},
+ {"9 foo=ba\n", "", "foo", "ba", true},
+ {"11 foo=bar\n\x00", "\x00", "foo", "bar", true},
+ {"18 foo=b=\nar=\n==\x00\n", "", "foo", "b=\nar=\n==\x00", true},
+ {"27 foo=hello9 foo=ba\nworld\n", "", "foo", "hello9 foo=ba\nworld", true},
+ {"27 ☺☻☹=日a本b語ç\nmeow mix", "meow mix", "☺☻☹", "日a本b語ç", true},
+ {"17 \x00hello=\x00world\n", "17 \x00hello=\x00world\n", "", "", false},
+ {"1 k=1\n", "1 k=1\n", "", "", false},
+ {"6 k~1\n", "6 k~1\n", "", "", false},
+ {"6_k=1\n", "6_k=1\n", "", "", false},
+ {"6 k=1 ", "6 k=1 ", "", "", false},
+ {"632 k=1\n", "632 k=1\n", "", "", false},
+ {"16 longkeyname=hahaha\n", "16 longkeyname=hahaha\n", "", "", false},
+ {"3 somelongkey=\n", "3 somelongkey=\n", "", "", false},
+ {"50 tooshort=\n", "50 tooshort=\n", "", "", false},
+ {"0000000000000000000000000000000030 mtime=1432668921.098285006\n30 ctime=2147483649.15163319", "0000000000000000000000000000000030 mtime=1432668921.098285006\n30 ctime=2147483649.15163319", "mtime", "1432668921.098285006", false},
+ {"06 k=v\n", "06 k=v\n", "", "", false},
+ {"00006 k=v\n", "00006 k=v\n", "", "", false},
+ {"000006 k=v\n", "000006 k=v\n", "", "", false},
+ {"000000 k=v\n", "000000 k=v\n", "", "", false},
+ {"0 k=v\n", "0 k=v\n", "", "", false},
+ {"+0000005 x=\n", "+0000005 x=\n", "", "", false},
+ }
+
+ for _, v := range vectors {
+ key, val, res, err := parsePAXRecord(v.in)
+ ok := (err == nil)
+ if ok != v.ok {
+ if v.ok {
+ t.Errorf("parsePAXRecord(%q): got parsing failure, want success", v.in)
+ } else {
+ t.Errorf("parsePAXRecord(%q): got parsing success, want failure", v.in)
+ }
+ }
+ if v.ok && (key != v.wantKey || val != v.wantVal) {
+ t.Errorf("parsePAXRecord(%q): got (%q: %q), want (%q: %q)",
+ v.in, key, val, v.wantKey, v.wantVal)
+ }
+ if res != v.wantRes {
+ t.Errorf("parsePAXRecord(%q): got residual %q, want residual %q",
+ v.in, res, v.wantRes)
+ }
+ }
+}
+
+func TestFormatPAXRecord(t *testing.T) {
+ medName := strings.Repeat("CD", 50)
+ longName := strings.Repeat("AB", 100)
+
+ vectors := []struct {
+ inKey string
+ inVal string
+ want string
+ ok bool
+ }{
+ {"k", "v", "6 k=v\n", true},
+ {"path", "/etc/hosts", "19 path=/etc/hosts\n", true},
+ {"path", longName, "210 path=" + longName + "\n", true},
+ {"path", medName, "110 path=" + medName + "\n", true},
+ {"foo", "ba", "9 foo=ba\n", true},
+ {"foo", "bar", "11 foo=bar\n", true},
+ {"foo", "b=\nar=\n==\x00", "18 foo=b=\nar=\n==\x00\n", true},
+ {"foo", "hello9 foo=ba\nworld", "27 foo=hello9 foo=ba\nworld\n", true},
+ {"☺☻☹", "日a本b語ç", "27 ☺☻☹=日a本b語ç\n", true},
+ {"xhello", "\x00world", "17 xhello=\x00world\n", true},
+ {"path", "null\x00", "", false},
+ {"null\x00", "value", "", false},
+ {paxSchilyXattr + "key", "null\x00", "26 SCHILY.xattr.key=null\x00\n", true},
+ }
+
+ for _, v := range vectors {
+ got, err := formatPAXRecord(v.inKey, v.inVal)
+ ok := (err == nil)
+ if ok != v.ok {
+ if v.ok {
+ t.Errorf("formatPAXRecord(%q, %q): got format failure, want success", v.inKey, v.inVal)
+ } else {
+ t.Errorf("formatPAXRecord(%q, %q): got format success, want failure", v.inKey, v.inVal)
+ }
+ }
+ if got != v.want {
+ t.Errorf("formatPAXRecord(%q, %q): got %q, want %q",
+ v.inKey, v.inVal, got, v.want)
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 04:13:00 +0000