From: Mukund Sivaraman <muks@isc.org>
Date: Mon, 29 Oct 2012 02:47:40 +0000 (+0530)
Subject: [2369] Check as much as possible that line numbers are decremented correctly
X-Git-Tag: trac2487_base~18^2~30
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7fb91131cdfc5778e241cb247e3c2713dfe2ca3a;p=thirdparty%2Fkea.git

[2369] Check as much as possible that line numbers are decremented correctly
---

diff --git a/src/lib/dns/tests/inputsource_unittest.cc b/src/lib/dns/tests/inputsource_unittest.cc
index 6298c21123..45a9b864c2 100644
--- a/src/lib/dns/tests/inputsource_unittest.cc
+++ b/src/lib/dns/tests/inputsource_unittest.cc
@@ -144,6 +144,29 @@ TEST_F(InputSourceTest, lines) {
     // Now we are back to where we started.
     EXPECT_EQ(1, source_.getCurrentLine());
     EXPECT_FALSE(source_.atEOF());
+
+    // Now check that line numbers are decremented properly (as much as
+    // possible using the available API).
+    while (!source_.atEOF()) {
+        source_.getChar();
+    }
+    line = source_.getCurrentLine();
+
+    // Now, we are at EOF.
+    EXPECT_TRUE(source_.atEOF());
+    EXPECT_EQ(4, line);
+
+    EXPECT_THROW({
+        while (true) {
+            source_.ungetChar();
+            EXPECT_TRUE(((line == source_.getCurrentLine()) ||
+                         ((line - 1) == source_.getCurrentLine())));
+            line = source_.getCurrentLine();
+        }
+    }, isc::OutOfRange);
+
+    // Now we are back to where we started.
+    EXPECT_EQ(1, source_.getCurrentLine());
 }
 
 } // end namespace