diff options
Diffstat (limited to 'libutils/tests')
-rw-r--r-- | libutils/tests/file_test.cpp | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/libutils/tests/file_test.cpp b/libutils/tests/file_test.cpp index acf66a6..3703a49 100644 --- a/libutils/tests/file_test.cpp +++ b/libutils/tests/file_test.cpp @@ -17,21 +17,68 @@ #include "utils/file.h" #include <errno.h> +#include <fcntl.h> +#include <unistd.h> #include <gtest/gtest.h> +class TemporaryFile { + public: + TemporaryFile() { + init("/data/local/tmp"); + if (fd == -1) { + init("/tmp"); + } + } + + ~TemporaryFile() { + close(fd); + unlink(filename); + } + + int fd; + char filename[1024]; + + private: + void init(const char* tmp_dir) { + snprintf(filename, sizeof(filename), "%s/TemporaryFile-XXXXXX", tmp_dir); + fd = mkstemp(filename); + } +}; + TEST(file, ReadFileToString_ENOENT) { std::string s("hello"); errno = 0; - EXPECT_FALSE(android::ReadFileToString("/proc/does-not-exist", &s)); + ASSERT_FALSE(android::ReadFileToString("/proc/does-not-exist", &s)); EXPECT_EQ(ENOENT, errno); EXPECT_EQ("", s); // s was cleared. } TEST(file, ReadFileToString_success) { std::string s("hello"); - EXPECT_TRUE(android::ReadFileToString("/proc/version", &s)); + ASSERT_TRUE(android::ReadFileToString("/proc/version", &s)) << errno; EXPECT_GT(s.length(), 6U); EXPECT_EQ('\n', s[s.length() - 1]); s[5] = 0; EXPECT_STREQ("Linux", s.c_str()); } + +TEST(file, WriteStringToFile) { + TemporaryFile tf; + ASSERT_TRUE(tf.fd != -1); + ASSERT_TRUE(android::WriteStringToFile("abc", tf.filename)) << errno; + std::string s; + ASSERT_TRUE(android::ReadFileToString(tf.filename, &s)) << errno; + EXPECT_EQ("abc", s); +} + +TEST(file, WriteStringToFd) { + TemporaryFile tf; + ASSERT_TRUE(tf.fd != -1); + ASSERT_TRUE(android::WriteStringToFd("abc", tf.fd)); + + ASSERT_EQ(0, lseek(tf.fd, 0, SEEK_SET)) << errno; + + std::string s; + ASSERT_TRUE(android::ReadFdToString(tf.fd, &s)) << errno; + EXPECT_EQ("abc", s); +} |