Write one test to specifically verify that the sequence of characters sent by the transient message has the effect that it should.

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/test_teletype_mock.cc b/tests/test_teletype_mock.cc
index 3c1ba905..1d1ba43e 100644
--- a/tests/test_teletype_mock.cc
+++ b/tests/test_teletype_mock.cc
@@ -138,6 +138,23 @@ TEST_F(TeletypeTest, testOutputLine)
   term->flush();
 }
 
+// Imitates what the transient message does, to be sure that it will
+// behave as expected if it outputs the right thing.
+TEST_F(TeletypeTest, OverwriteABCWithA)
+{
+  {
+    InSequence dummy;
+
+    EXPECT_CALL(*teletype, set_last_line(StrEq(L"abc")));
+    EXPECT_CALL(*teletype, set_last_line(StrEq(L"a  ")));
+  }
+
+  term->output(L"abc");
+  term->flush();
+  term->output(L"\r   \ra");
+  term->flush();
+}
+
 TEST_F(TeletypeTest, testOverwriteOneCharAtATime)
 {
   {