From 1830b6288476b5b680482bbcd8f4d04b4455549f Mon Sep 17 00:00:00 2001
From: Sebastian Harl <sh@tokkee.org>
Date: Thu, 20 Feb 2014 21:57:04 +0100
Subject: [PATCH] data_test: Print type of datum in case of a test failure.

---
 src/include/core/data.h | 13 +++++++++++++
 t/core/data_test.c      |  6 ++++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/include/core/data.h b/src/include/core/data.h
index 58e92cd..c7c51b8 100644
--- a/src/include/core/data.h
+++ b/src/include/core/data.h
@@ -46,6 +46,19 @@ enum {
 	SDB_TYPE_BINARY,
 };
 
+#define SDB_TYPE_TO_STRING(t) \
+	(((t) == SDB_TYPE_INTEGER) \
+		? "INTEGER" \
+		: ((t) == SDB_TYPE_DECIMAL) \
+			? "DECIMAL" \
+			: ((t) == SDB_TYPE_STRING) \
+				? "STRING" \
+				: ((t) == SDB_TYPE_DATETIME) \
+					? "DATETIME" \
+					: ((t) == SDB_TYPE_BINARY) \
+						? "BINARY" \
+						: "UNKNOWN")
+
 /*
  * sdb_data_t:
  * A datum retrieved from an arbitrary data source.
diff --git a/t/core/data_test.c b/t/core/data_test.c
index 9542014..d6bd014 100644
--- a/t/core/data_test.c
+++ b/t/core/data_test.c
@@ -163,10 +163,12 @@ START_TEST(test_format)
 
 		check = sdb_data_format(&golden_data[i].datum, buf);
 		fail_unless(! check,
-				"sdb_data_format() = %d; expected: 0", check);
+				"sdb_data_format(type=%s) = %d; expected: 0",
+				SDB_TYPE_TO_STRING(golden_data[i].datum.type), check);
 		string = sdb_strbuf_string(buf);
 		fail_unless(! strcmp(string, golden_data[i].expected),
-				"sdb_data_format() used wrong format: %s; expected: %s",
+				"sdb_data_format(type=%s) used wrong format: %s; expected: %s",
+				SDB_TYPE_TO_STRING(golden_data[i].datum.type),
 				string, golden_data[i].expected);
 		sdb_strbuf_clear(buf);
 	}
-- 
2.30.2