AU: Add unit tests for utils IsSymlink and SetProcessPriority.
BUG=6243
TEST=unit tests
Change-Id: I50841af0e24df4facdd08b5eb04b2afa053d1e75
Review URL: http://codereview.chromium.org/5265001
diff --git a/utils_unittest.cc b/utils_unittest.cc
index 4f17305..d8bc866 100644
--- a/utils_unittest.cc
+++ b/utils_unittest.cc
@@ -129,6 +129,20 @@
EXPECT_TRUE(utils::RecursiveUnlinkDir("/something/that/doesnt/exist"));
}
+TEST(UtilsTest, IsSymlinkTest) {
+ string temp_dir;
+ EXPECT_TRUE(utils::MakeTempDirectory("/tmp/symlink-test.XXXXXX", &temp_dir));
+ string temp_file = temp_dir + "temp-file";
+ EXPECT_TRUE(utils::WriteFile(temp_file.c_str(), "", 0));
+ string temp_symlink = temp_dir + "temp-symlink";
+ EXPECT_EQ(0, symlink(temp_file.c_str(), temp_symlink.c_str()));
+ EXPECT_FALSE(utils::IsSymlink(temp_dir.c_str()));
+ EXPECT_FALSE(utils::IsSymlink(temp_file.c_str()));
+ EXPECT_TRUE(utils::IsSymlink(temp_symlink.c_str()));
+ EXPECT_FALSE(utils::IsSymlink("/non/existent/path"));
+ EXPECT_TRUE(utils::RecursiveUnlinkDir(temp_dir));
+}
+
TEST(UtilsTest, TempFilenameTest) {
const string original = "/foo.XXXXXX";
const string result = utils::TempFilename(original);
@@ -164,6 +178,22 @@
EXPECT_EQ("3", utils::PartitionNumber("/dev/mmc0p3"));
}
+
+TEST(UtilsTest, RunAsRootSetProcessPriorityTest) {
+ // getpriority may return -1 on error so the getpriority logic needs to be
+ // enhanced if any of the pre-defined priority constants are changed to -1.
+ ASSERT_NE(-1, utils::kProcessPriorityLow);
+ ASSERT_NE(-1, utils::kProcessPriorityNormal);
+ ASSERT_NE(-1, utils::kProcessPriorityHigh);
+ EXPECT_EQ(utils::kProcessPriorityNormal, getpriority(PRIO_PROCESS, 0));
+ EXPECT_TRUE(utils::SetProcessPriority(utils::kProcessPriorityHigh));
+ EXPECT_EQ(utils::kProcessPriorityHigh, getpriority(PRIO_PROCESS, 0));
+ EXPECT_TRUE(utils::SetProcessPriority(utils::kProcessPriorityLow));
+ EXPECT_EQ(utils::kProcessPriorityLow, getpriority(PRIO_PROCESS, 0));
+ EXPECT_TRUE(utils::SetProcessPriority(utils::kProcessPriorityNormal));
+ EXPECT_EQ(utils::kProcessPriorityNormal, getpriority(PRIO_PROCESS, 0));
+}
+
TEST(UtilsTest, ComparePrioritiesTest) {
EXPECT_LT(utils::ComparePriorities(utils::kProcessPriorityLow,
utils::kProcessPriorityNormal), 0);