[PATCH xorg-gtest 06/11] xserver: add RemoveOption

[Peter Hutterer]

Allow removing an option from the command list too.

Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
 include/xorg/gtest/xorg-gtest-xserver.h | 10 ++++++++++
 src/xserver.cpp                         |  4 ++++
 test/.gitignore                         |  1 +
 test/Makefile.am                        |  6 +++++-
 test/xserver-test-helper.cpp            | 19 +++++++++++++++++++
 test/xserver-test.cpp                   | 12 ++++++++++++
 6 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 test/xserver-test-helper.cpp

diff --git a/include/xorg/gtest/xorg-gtest-xserver.h b/include/xorg/gtest/xorg-gtest-xserver.h
index 4d3779c..8bf7996 100644
--- a/include/xorg/gtest/xorg-gtest-xserver.h
+++ b/include/xorg/gtest/xorg-gtest-xserver.h
@@ -204,6 +204,16 @@ class XServer : public xorg::testing::Process {
     void SetOption(const std::string &key, const std::string &value = "");
 
     /**
+     * Remove a previously set option.
+     *
+     * If an option was set through SetOption(), remove the option again. If
+     * the specified option has never been set, do nothing.
+     *
+     * @param [in] option Commandline option to remove
+     */
+    void RemoveOption(const std::string &option);
+
+    /**
      * Wait for a specific device to be added to the server.
      *
      * @param [in] display The X display connection
diff --git a/src/xserver.cpp b/src/xserver.cpp
index 21fca15..c511fab 100644
--- a/src/xserver.cpp
+++ b/src/xserver.cpp
@@ -529,6 +529,10 @@ void xorg::testing::XServer::SetOption(const std::string &key, const std::string
   d_->options[key] = value;
 }
 
+void xorg::testing::XServer::RemoveOption(const std::string &option) {
+  d_->options.erase(option);
+}
+
 const std::string& xorg::testing::XServer::GetLogFilePath() {
   return d_->options["-logfile"];
 }
diff --git a/test/.gitignore b/test/.gitignore
index 1d39462..e2b9a87 100644
--- a/test/.gitignore
+++ b/test/.gitignore
@@ -1,4 +1,5 @@
 process-test
 process-test-helper
 xserver-test
+xserver-test-helper
 device-test
diff --git a/test/Makefile.am b/test/Makefile.am
index 487c534..cab7cf7 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -30,7 +30,8 @@ test_programs = process-test \
 		device-test
 
 noinst_PROGRAMS = $(test_programs) \
-		  process-test-helper
+		  process-test-helper \
+		  xserver-test-helper
 noinst_DATA = PIXART-USB-OPTICAL-MOUSE.desc
 
 GTEST_CPPFLAGS=-I$(top_srcdir)/gtest/include -I$(top_srcdir)/gtest
@@ -57,6 +58,9 @@ xserver_test_SOURCES = xserver-test.cpp
 xserver_test_CPPFLAGS = $(AM_CPPFLAGS) -I$(top_srcdir)/include
 xserver_test_LDADD =  $(tests_libraries)
 
+xserver_test_helper_SOURCES = xserver-test-helper.cpp
+xserver_test_helper_CPPFLAGS = $(AM_CPPFLAGS)
+
 device_test_SOURCES = device-test.cpp
 device_test_CPPFLAGS = $(AM_CPPFLAGS) -I$(top_srcdir)/include
 device_test_LDADD =  $(tests_libraries)
diff --git a/test/xserver-test-helper.cpp b/test/xserver-test-helper.cpp
new file mode 100644
index 0000000..a52dd52
--- /dev/null
+++ b/test/xserver-test-helper.cpp
@@ -0,0 +1,19 @@
+#include <string.h>
+#include <stdlib.h>
+
+/**
+ * Test helper. Exists with failure if "-fail yes" is passed
+ */
+int main(int argc, char **argv) {
+
+  for (int i = 0; i < argc; i++) {
+    if (strcmp(argv[i], "-fail") == 0)
+      exit(1);
+
+    /* test passes "-fail yes" and we expect both to be removed */
+    if (strcmp(argv[i], "yes") == 0)
+      exit(1);
+  }
+
+  return 0;
+}
diff --git a/test/xserver-test.cpp b/test/xserver-test.cpp
index ed0de36..e41267d 100644
--- a/test/xserver-test.cpp
+++ b/test/xserver-test.cpp
@@ -274,6 +274,18 @@ TEST(XServer, KeepAlive)
   ASSERT_EQ(errno, ESRCH);
 }
 
+TEST(XServer, RemoveOption)
+{
+  XServer server;
+  server.SetOption("-fail", "yes");
+  server.Start(TEST_ROOT_DIR "/xserver-test-helper");
+  ASSERT_EQ(server.GetState(), Process::FINISHED_FAILURE);
+
+  server.RemoveOption("-fail");
+  server.Start(TEST_ROOT_DIR "/xserver-test-helper");
+  ASSERT_EQ(server.GetState(), Process::FINISHED_SUCCESS);
+}
+
 int main(int argc, char *argv[]) {
   testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
-- 
1.7.11.7