test: drive Korean and Vietnamese through the engine's own transstr

ko_test and vi_test replayed keys with private copies of transstr's
loop, and test_util reimplemented the shown preedit; the engine exports
impre(Im*, Str*) and transstr() instead, so a change to composition
rules is one edit.

fn.h

@@ -29,6 +29,8 @@ int	pagemarker(char*, int, int, int, int);
 void	popuplayout(Drawcmd*, int, int, Popup*);
 void	popupdraw(u32int*, Drawcmd*, Popup*);
 void	imthread(void*);
+void	impre(Im*, Str*);
+void	transstr(Lang*, Str*, Str*);
 Emit	transmap(Im*, Rune);
 Emit	transko(Im*, Rune);
 Emit	transvi(Im*, Rune);

strans.c

@@ -148,13 +148,13 @@ haspre(Im *p)
 }
 
 /* The preedit as clients see it: Telex keys read back through the map. */
-static void
-impre(Str *s)
+void
+impre(Im *p, Str *s)
 {
-	if(isjp(&im))
-		jpreading(im.l->map, &im.pre, &im.raw, s);
-	else if(!mapget(im.l->map, &im.pre, s))
-		*s = im.pre;
+	if(isjp(p))
+		jpreading(p->l->map, &p->pre, &p->raw, s);
+	else if(!mapget(p->l->map, &p->pre, s))
+		*s = p->pre;
 }
 
 static void
@@ -167,7 +167,7 @@ snapshot(Drawcmd *dc)
 	if(search.lang)
 		pre = search.text;
 	else
-		impre(&pre);
+		impre(&im, &pre);
 	if(!(activecap & Cclientpreedit))
 		dc->pre = pre;
 	first = pagefirst();
@@ -456,7 +456,7 @@ foldascii(Str *s)
 }
 
 /* What typing raw in language l would produce, composition included. */
-static void
+void
 transstr(Lang *l, Str *raw, Str *out)
 {
 	Im q;
@@ -827,7 +827,7 @@ imhandlekey(Keyreq *kr)
 		if(search.lang)
 			res.preedit = search.text;
 		else
-			impre(&res.preedit);
+			impre(&im, &res.preedit);
 	}
 	chansend(kr->reply, &res);
 }

tests/engine_test.c

@@ -5,7 +5,6 @@ extern Lang testvi;
 
 Str mkstr(char*);
 int checkstr(struct ct*, char*, char*, Str*);
-Str shownpre(Im*);
 
 static int typekeys(struct ct*, char*, Str*);
 static int draindraw(Drawcmd*);
@@ -43,7 +42,7 @@ testengineowner(void)
 void
 testenginepreedit(Str *preedit)
 {
-	impre(preedit);
+	impre(&im, preedit);
 }
 
 void
@@ -116,7 +115,7 @@ engine_backspace_clears_candidates(struct ct *t)
 	sclear(&com);
 	CT_CHECK(t, keystroke('n', 0, &com));
 	CT_CHECK(t, keystroke('a', 0, &com));
-	shown = shownpre(&im);
+	impre(&im, &shown);
 	checkstr(t, "before backspace", "な", &shown);
 	im.kouho[0] = mkstr("stale-candidate");
 	im.nkouho = 1;
@@ -124,7 +123,7 @@ engine_backspace_clears_candidates(struct ct *t)
 	CT_CHECK(t, keystroke(Kback, 0, &com));
 	checkstr(t, "backspace commit", "", &com);
 	checkstr(t, "pending romaji after backspace", "n", &im.raw);
-	shown = shownpre(&im);
+	impre(&im, &shown);
 	checkstr(t, "shown preedit after backspace", "ん", &shown);
 	CT_EQ_INT(t, 0, im.nkouho);
 	CT_EQ_INT(t, -1, im.sel);
@@ -238,7 +237,7 @@ engine_active_owner_lifecycle(struct ct *t)
 	CT_EQ_PTR(t, &b, activeowner);
 	res = ownerrequest(&a, Keyreset, 0, 0);
 	CT_EQ_INT(t, 0, res.preedit.n);
-	shown = shownpre(&im);
+	impre(&im, &shown);
 	checkstr(t, "stale reset preserves owner", "ん", &shown);
 	CT_EQ_PTR(t, &b, activeowner);
 
@@ -246,7 +245,7 @@ engine_active_owner_lifecycle(struct ct *t)
 	res = ownerrequest(&b, Keypress, 'a', 0);
 	checkstr(t, "current owner continues", "にゃ", &res.preedit);
 	ownerrequest(&a, Keyrelease, 0, 0);
-	shown = shownpre(&im);
+	impre(&im, &shown);
 	checkstr(t, "stale release preserves owner", "にゃ", &shown);
 	CT_EQ_PTR(t, &b, activeowner);
 
@@ -1074,7 +1073,7 @@ engine_japanese_readings(struct ct *t)
 		if(!typekeys(t, cases[i].keys, &com))
 			continue;
 		checkstr(t, cases[i].keys, "", &com);
-		shown = shownpre(&im);
+		impre(&im, &shown);
 		checkstr(t, cases[i].keys, cases[i].want, &shown);
 		CT_CHECK(t, keystroke(Kret, 0, &com));
 		checkstr(t, "committed reading", cases[i].want, &com);
@@ -1102,7 +1101,7 @@ engine_japanese_candidates(struct ct *t)
 	sclear(&com);
 	if(!typekeys(t, "kanji", &com))
 		goto cleanup;
-	shown = shownpre(&im);
+	impre(&im, &shown);
 	checkstr(t, "complete Japanese reading", "かんじ", &shown);
 	if(!CT_EQ_INT(t, 2, im.nkouho))
 		goto cleanup;
@@ -1138,13 +1137,13 @@ engine_japanese_backspace_and_boundaries(struct ct *t)
 	sclear(&com);
 	if(typekeys(t, "kanji", &com)){
 		CT_CHECK(t, keystroke(Kback, 0, &com));
-		shown = shownpre(&im);
+		impre(&im, &shown);
 		checkstr(t, "backspace pending i", "かんj", &shown);
 		CT_CHECK(t, keystroke(Kback, 0, &com));
-		shown = shownpre(&im);
+		impre(&im, &shown);
 		checkstr(t, "backspace pending j", "かん", &shown);
 		CT_CHECK(t, keystroke(Kback, 0, &com));
-		shown = shownpre(&im);
+		impre(&im, &shown);
 		checkstr(t, "backspace accumulated kana", "か", &shown);
 	}
 
@@ -1198,7 +1197,7 @@ engine_katakana_sequences(struct ct *t)
 		if(!typekeys(t, cases[i].keys, &com))
 			continue;
 		checkstr(t, cases[i].keys, "", &com);
-		shown = shownpre(&im);
+		impre(&im, &shown);
 		checkstr(t, cases[i].keys, cases[i].want, &shown);
 		CT_EQ_INT(t, 0, im.nkouho);
 		CT_CHECK(t, keystroke(Kret, 0, &com));
@@ -1492,7 +1491,7 @@ engine_emoji_preedit_languages(struct ct *t)
 	sclear(&com);
 	if(typekeys(t, "ka", &com)){
 		CT_CHECK(t, !keystroke(Kmodfirst+2, 0, &com));
-		shown = shownpre(&im);
+		impre(&im, &shown);
 		checkstr(t, "modifier preserves Japanese", "か", &shown);
 		CT_CHECK(t, keystroke('E', Mctrl|Mshift, &com));
 		checkstr(t, "committed Japanese preedit", "か", &com);
@@ -1513,7 +1512,7 @@ engine_emoji_preedit_languages(struct ct *t)
 		CT_CHECK(t, !search.lang);
 		sclear(&com);
 		if(typekeys(t, "na", &com)){
-			shown = shownpre(&im);
+			impre(&im, &shown);
 			checkstr(t, "Japanese resumed", "な", &shown);
 		}
 	}
@@ -1544,7 +1543,7 @@ engine_emoji_preedit_languages(struct ct *t)
 		CT_EQ_PTR(t, &testvi, im.l);
 		sclear(&com);
 		if(typekeys(t, "as", &com)){
-			shown = shownpre(&im);
+			impre(&im, &shown);
 			checkstr(t, "Telex resumed", "á", &shown);
 			checkstr(t, "Telex raw resumed", "as", &im.raw);
 		}

tests/ko_test.c

@@ -3,22 +3,10 @@
 static Str
 kotrans(char *keys)
 {
-	Emit e;
-	Im state;
-	Str out;
-	char *p;
+	Str out, raw;
 
-	memset(&state, 0, sizeof state);
-	state.l = getlang(LangKO);
-	sclear(&out);
-	for(p = keys; *p != '\0'; p++){
-		e = transko(&state, (uchar)*p);
-		sappend(&out, &e.s);
-		state.pre = e.next;
-		if(!e.eat)
-			sputr(&out, (uchar)*p);
-	}
-	sappend(&out, &state.pre);
+	raw = mkstr(keys);
+	transstr(getlang(LangKO), &raw, &out);
 	return out;
 }
 

tests/test.h

@@ -6,7 +6,6 @@ extern Lang testvi;
 
 Str	mkstr(char*);
 int	checkstr(struct ct*, char*, char*, Str*);
-Str	shownpre(Im*);
 
 void	str_init_utf8(struct ct*);
 void	str_edit_and_alias(struct ct*);

tests/test_util.c

@@ -20,23 +20,3 @@ checkstr(struct ct *t, char *where, char *want, Str *got)
 	return CT_ERRORF(t, "%s: want \"%s\", got \"%s\"",
 		where, want, buf);
 }
-
-Str
-shownpre(Im *state)
-{
-	Str mapped, shown;
-
-	if(state->l->lang == LangJP || state->l->lang == LangJPK){
-		shown = state->pre;
-		if(state->raw.n == 0)
-			return shown;
-		if(mapget(state->l->map, &state->raw, &mapped))
-			sappend(&shown, &mapped);
-		else
-			sappend(&shown, &state->raw);
-		return shown;
-	}
-	if(state->l->map != nil && mapget(state->l->map, &state->pre, &shown))
-		return shown;
-	return state->pre;
-}

tests/vi_test.c

@@ -3,24 +3,10 @@
 static void
 typevi(struct ct *t, char *keys, char *want)
 {
-	Emit e;
-	Im state;
-	Str out, shown;
-	char *p;
+	Str out, raw;
 
-	memset(&state, 0, sizeof state);
-	state.l = &testvi;
-	sclear(&out);
-	for(p = keys; *p != '\0'; p++){
-		e = transvi(&state, (uchar)*p);
-		sappend(&out, &e.s);
-		state.pre = e.next;
-		state.raw = e.raw;
-		if(!e.eat)
-			sputr(&out, (uchar)*p);
-	}
-	shown = shownpre(&state);
-	sappend(&out, &shown);
+	raw = mkstr(keys);
+	transstr(&testvi, &raw, &out);
 	checkstr(t, keys, want, &out);
 }
 
@@ -79,7 +65,7 @@ vietnamese_backspace(struct ct *t)
 		state.raw = mkstr(cases[i].raw);
 		backvi(&state);
 		checkstr(t, cases[i].raw, cases[i].rawafter, &state.raw);
-		shown = shownpre(&state);
+		impre(&state, &shown);
 		checkstr(t, cases[i].raw, cases[i].after, &shown);
 	}
 }