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Added tests for simple fonts and encodings

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This commit is contained in:
Peter Williams 2018-07-20 22:18:18 +10:00
parent ef97dd1d59
commit 357d517498
3 changed files with 92 additions and 6 deletions
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86
pdf/model/font_test.go
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@ -150,6 +150,72 @@ func TestCharcodeBytesToUnicode(t *testing.T) {
}
var charcodeBytesToUnicodeTest = []fontFragmentTest{
fontFragmentTest{"Helvetica built-in",
"testdata/simple.txt", 1,
[]byte{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96,
97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114,
115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 128, 130, 131, 132, 133,
134, 135, 136, 137, 138, 139, 140, 142, 145, 146, 147, 148, 149, 150, 151, 152, 153,
154, 155, 156, 158, 159, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172,
174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190,
191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207,
208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224,
225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241,
242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255},
" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`" +
"abcdefghijklmnopqrstuvwxyz{|}~€‚ƒ„…†‡ˆ‰Š‹OEŽ‘’“”•–—˜™š›oežŸ¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·" +
"¸¹º»¼½¾¿ÀÁÂÃÄÅAEÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞfzàáâãäåaeçèéêëìíîïðñòóôõö÷øùúûüýþÿ",
},
fontFragmentTest{"Symbol built-in",
"testdata/simple.txt", 3,
[]byte{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 97,
98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115,
116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 160, 161, 162, 163, 164, 165, 166,
167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184,
185, 186, 187, 188, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204,
205, 206, 207, 208, 209, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225,
229, 241, 242, 243, 245},
" !∀#∃%&∋()∗+,−./0123456789:;<=>?≅ΑΒΧΔΕΦΓΗΙϑΚΛΜΝΟΠΘΡΣΤΥςΩΞΨΖ[∴]⊥_αβχδεφγηιϕκλμνοπθρστυϖω" +
"ξψζ{|}∼€ϒ′≤⁄∞ƒ♣♦♥♠↔←↑→↓°±″≥×∝∂•÷≠≡≈…↵ℵℑℜ℘⊗⊕∅∩∪⊃⊇⊄⊂⊆∈∉∠∇∏√⋅¬∧∨⇔⇐⇑⇒⇓◊〈∑〉∫⌠⌡",
},
fontFragmentTest{"ZapfDingbats built-in",
"testdata/simple.txt", 4,
[]byte{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96,
97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114,
115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 161, 162, 163, 164, 165,
166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183,
184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201,
202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237,
238, 239, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254},
" ✁✂✃✄☎✆✇✈✉☛☞✌✍✎✏✐✑✒✓✔✕✖✗✘✙✚✛✜✝✞✟✠✡✢✣✤✥✦✧★✩✪✫✬✭✮✯✰✱✲✳✴✵✶✷✸✹✺✻✼✽✾✿❀❁❂❃❄❅❆❇❈❉❊❋●❍■❏❐❑❒▲▼◆❖◗" +
"❘❙❚❛❜❝❞❡❢❣❤❥❦❧♣♦♥♠①②③④⑤⑥⑦⑧⑨⑩❶❷❸❹❺❻❼❽❾❿➀➁➂➃➄➅➆➇➈➉➊➋➌➍➎➏➐➑➒➓➔→↔↕" +
"➘➙➚➛➜➝➞➟➠➡➢➣➤➥➦➧➨➩➪➫➬➭➮➯➱➲➳➴➵➶➷➸➹➺➻➼➽➾",
},
fontFragmentTest{"MacRoman encoding",
"testdata/axes.txt", 10,
[]byte{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96,
97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114,
115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 128, 129, 130, 131, 132, 133,
134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151,
152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187,
188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 203, 204, 205, 206,
207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224,
225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 241, 242, 243,
244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255},
" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`" +
"abcdefghijklmnopqrstuvwxyz{|}~ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶fz®©™´¨≠AEØ∞" +
"±≤≥¥µ∂∑∏π∫ªºΩaeø¿¡¬√ƒ≈∆«»…ÀÃÕOEoe–—“”‘’÷◊ÿŸ⁄€‹›fifl‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ",
},
fontFragmentTest{"Test beginbfchar and beginbfrange cmap entries",
"testdata/Yemeni.txt", 470,
[]byte{0x1, 0xa8, 0x1, 0xb3, 0x1, 0xc2, 0x1, 0xcc, 0x1, 0xe7, 0x1, 0xef, 0x1, 0xf3, 0x0,
@ -192,22 +258,26 @@ type fontFragmentTest struct {
}
func (f *fontFragmentTest) String() string {
return fmt.Sprintf("TEST{%q file=%q obj=%d|", f.description, f.filename, f.objNum)
return fmt.Sprintf("TEST{%q file=%q obj=%d}", f.description, f.filename, f.objNum)
}
// check loads the font in PDF fragment `filename`, object number `objNum`, runs
// CharcodeBytesToUnicode on `data` and checks that output equals `expected`.
func (f *fontFragmentTest) check(t *testing.T) {
common.Log.Debug("fontFragmentTest: %s", f.description)
common.Log.Debug("fontFragmentTest: %s", f)
numObj, err := parsePdfFragment(f.filename)
if err != nil {
t.Errorf("Failed to parse. %s err=%v", f, err)
return
}
fontObj := numObj[f.objNum]
fontObj, ok := numObj[f.objNum]
if !ok {
t.Errorf("fontFragmentTest: %s. Unknown object. %d", f, f.objNum)
return
}
font, err := model.NewPdfFontFromPdfObject(fontObj)
if err != nil {
t.Errorf("Failed to create font. %s err=%v", f, err)
t.Errorf("fontFragmentTest: %s. Failed to create font. err=%v", f, err)
return
}
@ -221,8 +291,8 @@ func (f *fontFragmentTest) check(t *testing.T) {
f, f.expected, actualText)
}
if numChars != len([]rune(actualText)) {
t.Errorf("Incorrect numChars. %s numChars=%d expected=%d",
f, numChars, len(actualText))
t.Errorf("Incorrect numChars. %s numChars=%d expected=%d\n%+v\n%c",
f, numChars, len([]rune(actualText)), []rune(actualText), []rune(actualText))
}
}
@ -271,17 +341,21 @@ func parsePdfFragment(filename string) (map[int]core.PdfObject, error) {
func parsePdfObjects(text string) (map[int]core.PdfObject, error) {
numObj := map[int]core.PdfObject{}
parser := core.NewParserFromString(text)
common.Log.Debug("parsePdfObjects")
// Build the numObj {object number: object} map
nums := []int{}
for {
obj, err := parser.ParseIndirectObject()
common.Log.Debug("parsePdfObjects: %T %v", obj, err)
if err != nil {
if err == io.EOF {
break
}
common.Log.Debug("parsePdfObjects: err=%v", err)
return numObj, err
}
common.Log.Debug("parsePdfObjects: %d %T", len(numObj), obj)
switch t := obj.(type) {
case *core.PdfIndirectObject:
numObj[int(t.ObjectNumber)] = obj

BIN
pdf/model/testdata/axes.txt vendored Executable file
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Binary file not shown.

12
pdf/model/testdata/simple.txt vendored Normal file
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@ -0,0 +1,12 @@
1 0 obj
<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica >>
endobj
2 0 obj
<< /Type /Font /Subtype /Type1 /BaseFont /Courier >>
endobj
3 0 obj
<< /Type /Font /Subtype /Type1 /BaseFont /Symbol >>
endobj
4 0 obj
<< /Type /Font /Subtype /Type1 /BaseFont /ZapfDingbats >>
endobj