Add more tex-output tests

crates/xdv/examples/xdvdump.rs

@@ -154,6 +154,7 @@ fn main() {
         )
         .arg(
             Arg::new("PATH")
+                .value_parser(clap::value_parser!(PathBuf))
                 .help("The path to the XDV or SPX file")
                 .required(true)
                 .index(1),

crates/xetex_layout/layout/xetex-XeTeXLayoutInterface.cpp

@@ -494,7 +494,14 @@
     return rval;
 }
 
-#define tag_from_lang(x) hb_tag_from_string(hb_language_to_string(x), strlen(hb_language_to_string(x)))
+hb_tag_t tag_from_lang(hb_language_t lang) {
+	const char* str = hb_language_to_string(lang);
+	if (str) {
+		return hb_tag_from_string(str, strlen(str));
+	} else {
+		return 0;
+	}
+}
 
 uint32_t
 getGraphiteFeatureDefaultSetting(XeTeXLayoutEngine engine, uint32_t featureID)
@@ -595,17 +602,15 @@
     gr_face* grFace = hb_graphite2_face_get_gr_face(hbFace);
 
     if (grFace != NULL) {
+    	hb_tag_t tag = hb_tag_from_string(name, namelength);
         for (int i = 0; i < gr_face_n_fref(grFace); i++) {
             const gr_feature_ref* feature = gr_face_fref(grFace, i);
             uint32_t len = 0;
             uint16_t langID = 0x409;
 
-            // the first call is to get the length of the string
-            gr_fref_label(feature, &langID, gr_utf8, &len);
-            char* label = (char*) xmalloc(len);
-            label = (char*) gr_fref_label(feature, &langID, gr_utf8, &len);
+            char* label = (char*)gr_fref_label(feature, &langID, gr_utf8, &len);
 
-            if (strncmp(label, name, namelength) == 0) {
+            if (gr_fref_id(feature) == tag || strncmp(label, name, namelength) == 0) {
                 rval = gr_fref_id(feature);
                 gr_label_destroy(label);
                 break;
@@ -627,17 +632,15 @@
     gr_face* grFace = hb_graphite2_face_get_gr_face(hbFace);
 
     if (grFace != NULL) {
+    	hb_tag_t tag = hb_tag_from_string(name, namelength);
         const gr_feature_ref* feature = gr_face_find_fref(grFace, id);
         for (int i = 0; i < gr_fref_n_values(feature); i++) {
             uint32_t len = 0;
             uint16_t langID = 0x409;
 
-            // the first call is to get the length of the string
-            gr_fref_value_label(feature, i, &langID, gr_utf8, &len);
-            char* label = (char*) xmalloc(len);
-            label = (char*) gr_fref_value_label(feature, i, &langID, gr_utf8, &len);
+            char* label = (char*)gr_fref_value_label(feature, i, &langID, gr_utf8, &len);
 
-            if (strncmp(label, name, namelength) == 0) {
+            if (gr_fref_id(feature) == tag || strncmp(label, name, namelength) == 0) {
                 rval = gr_fref_value(feature, i);
                 gr_label_destroy(label);
                 break;

tests/tex-outputs.rs

@@ -199,6 +199,16 @@ fn file_encoding() {
         .go()
 }
 
+// Works around an issue where old (~2.7) Harfbuzz lays out glyphs differently.
+// Remove this once all external Harfbuzz versions don't exhibit the glyph-swapping behavior.
+#[cfg(not(any(feature = "external-harfbuzz", target_arch = "x86")))]
+#[test]
+fn utf8_chars() {
+    TestCase::new("utf8_chars")
+        .expect(Ok(TexOutcome::Warnings))
+        .go();
+}
+
 /// An issue triggered by a bug in how the I/O subsystem reported file offsets
 /// after an ungetc() call.
 #[test]
@@ -225,6 +235,11 @@ fn otf_basic() {
         .go()
 }
 
+#[test]
+fn graphite_basic() {
+    TestCase::new("graphite_basic").go()
+}
+
 #[test]
 fn prim_creationdate() {
     TestCase::new("prim_creationdate").go()
@@ -338,3 +353,13 @@ fn tectoniccodatokens_ok() {
 fn the_letter_a() {
     TestCase::new("the_letter_a").check_pdf(true).go()
 }
+
+#[test]
+fn xetex_g_builtins() {
+    TestCase::new("xetex_g_builtins").check_pdf(true).go()
+}
+
+#[test]
+fn xetex_ot_builtins() {
+    TestCase::new("xetex_ot_builtins").check_pdf(true).go()
+}

tests/tex-outputs/graphite_basic.log

@@ -0,0 +1,3 @@
+**
+(graphite_basic.tex [1] )
+Output written on graphite_basic.xdv (1 page, 372 bytes).

tests/tex-outputs/graphite_basic.tex

@@ -0,0 +1,5 @@
+\font\g="[LinLibertine_R_G]/GR:ss05=True"
+
+% The LinLibertine ss05 W is the same style as Wikipedia - this just makes sure the feature is enabled correctly.
+\g Wikipedia
+\bye

tests/tex-outputs/utf8_chars.log

@@ -0,0 +1,13 @@
+**
+(utf8_chars.tex
+Missing character: There is no א (U+05D0) in font [lmroman12-regular]!
+Missing character: There is no ֳ (U+05B3) in font [lmroman12-regular]!
+Missing character: There is no ר (U+05E8) in font [lmroman12-regular]!
+Missing character: There is no ָ (U+05B8) in font [lmroman12-regular]!
+Missing character: There is no נ (U+05E0) in font [lmroman12-regular]!
+Missing character: There is no ִ (U+05B4) in font [lmroman12-regular]!
+Missing character: There is no י (U+05D9) in font [lmroman12-regular]!
+Missing character: There is no ם (U+05DD) in font [lmroman12-regular]!
+Missing character: There is no ֳ (U+05B3) in font [lmroman12-regular]!
+ [1] )
+Output written on utf8_chars.xdv (1 page, 728 bytes).

tests/tex-outputs/utf8_chars.tex

@@ -0,0 +1,8 @@
+% Examples of non-ASCII/Latin text
+\font\r="[lmroman12-regular]"
+
+% Missing in font - intentional
+\r Hebrew: אֳרָנִים
+\r Hebrew modifier on Latin: 9ֳ9
+
+\bye

tests/tex-outputs/xetex_g_builtins.log

@@ -0,0 +1,3 @@
+**
+(xetex_g_builtins.tex [1] )
+Output written on xetex_g_builtins.xdv (1 page, 760 bytes).

tests/tex-outputs/xetex_g_builtins.tex

@@ -0,0 +1,33 @@
+\font\g="[LinLibertine_R_G]/GR"
+
+Features: \the\XeTeXcountfeatures \g
+
+- Code: \the\XeTeXfeaturecode \g 0
+
+- Name: \XeTeXfeaturename \g 1664250723
+
+- Code: \the\XeTeXfeaturecode \g 1
+
+- Name: \XeTeXfeaturename \g 1667330917
+
+- Code: \the\XeTeXfeaturecode \g 2
+
+- Name: \XeTeXfeaturename \g 1684826471
+
+- Code: \the\XeTeXfeaturecode \g 3
+
+- Name: \XeTeXfeaturename \g 1718185569
+
+- Selectors: \the\XeTeXcountselectors \g 1718185569
+
+- - Default is False: \the\XeTeXisdefaultselector \g 1718185569 0
+
+- - Code: \the\XeTeXselectorcode \g 1718185569 0
+
+- - Name: \XeTeXselectorname \g 1718185569 0
+
+- - Code: \the\XeTeXselectorcode \g 1718185569 1
+
+- - Name: \XeTeXselectorname \g 1718185569 1
+
+\bye

tests/tex-outputs/xetex_ot_builtins.log

@@ -0,0 +1,3 @@
+**
+(xetex_ot_builtins.tex [1] )
+Output written on xetex_ot_builtins.xdv (1 page, 664 bytes).

tests/tex-outputs/xetex_ot_builtins.tex

@@ -0,0 +1,28 @@
+\font\i="[Inconsolatazi4-Regular.otf]/OT"
+Scripts: \the\XeTeXOTcountscripts \i
+
+Script 0: \the\XeTeXOTscripttag \i 0
+
+- Languages: \the\XeTeXOTcountlanguages \i 1145457748
+
+- - Features: \the\XeTeXOTcountfeatures \i 1145457748 0
+
+- - Feature 0: \the\XeTeXOTfeaturetag \i 1145457748 0 0
+
+- - Feature 1: \the\XeTeXOTfeaturetag \i 1145457748 0 1
+
+- - Feature 2: \the\XeTeXOTfeaturetag \i 1145457748 0 2
+
+Script 1: \the\XeTeXOTscripttag \i 1
+
+- Languages: \the\XeTeXOTcountlanguages \i 1
+
+- - Features: \the\XeTeXOTcountfeatures \i 1818326126 0
+
+- - Feature 0: \the\XeTeXOTfeaturetag \i 1818326126 0 0
+
+- - Feature 1: \the\XeTeXOTfeaturetag \i 1818326126 0 1
+
+- - Feature 2: \the\XeTeXOTfeaturetag \i 1818326126 0 2
+
+\bye