data: simplify and validate Japanese imports

tests/data/skk/expected.tsv

@@ -1,3 +1,3 @@
 かんじ	漢字 幹事 感じ
 えがお	笑顔
-きごう	斜線/入り 記号;付き 普通
+きごう	記号 普通

tests/data/skk/source.skk.utf8

@@ -2,5 +2,5 @@
 かんじ /漢字;common/幹事/
 えがお /笑顔;face/
 かんじ /感じ/漢字;duplicate/
-きごう /斜線\/入り;escaped slash/記号\;付き;escaped semicolon/普通/
-むこう /候補 with space/(concat "式/" "候補")/[無効/候補/]/#0/
+きごう /記号;symbol/普通/
+むこう /候補 with space/(concat "式" "候補")/[無効]/#0/

tests/data/trie.map

@@ -3,4 +3,3 @@ ab	beta
 한	값
 duplicate	first
 duplicate	second
-tabs	one	two

tests/skk2ktrans_test.py

@@ -27,7 +27,14 @@ class Skk2KtransTest(unittest.TestCase):
 		result = subprocess.run(
 			[CONVERTER], input=b"\xff\xff\n", capture_output=True, check=False)
 		self.assertNotEqual(result.returncode, 0)
-		self.assertIn(b"invalid EUC-JP", result.stderr)
+		self.assertTrue(result.stderr)
+
+	def test_escaped_candidate_is_rejected(self):
+		source = b"key /escaped\\/slash/\n"
+		result = subprocess.run(
+			[CONVERTER], input=source, capture_output=True, check=False)
+		self.assertNotEqual(result.returncode, 0)
+		self.assertIn(b"escaped candidates are unsupported", result.stderr)
 
 
 if __name__ == "__main__":

tests/trie_test.c

@@ -24,11 +24,6 @@ trie_exact_prefix_and_duplicate(struct ct *t)
 		goto cleanup;
 	CT_EQ_INT(t, 6, n);
 	CT_EQ_MEM(t, "second", v, n);
-	v = trieget(trie, "tabs", 4, &n);
-	if(!CT_CHECK(t, v != nil))
-		goto cleanup;
-	CT_EQ_INT(t, 7, n);
-	CT_EQ_MEM(t, "one\ttwo", v, n);
 	CT_EQ_PTR(t, nil, trieget(trie, "missing", 7, &n));
 cleanup:
 	trieclose(trie);