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Allow test data path to be set by preprocessor symbol

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Change-Id: I19c482c7cba34db574b3f33178ba20aede49779e
This commit is contained in:
Joshua Litt
2013-11-04 13:47:30 -08:00
parent 103c4603d2
commit ab9160de90
1 changed files with 26 additions and 7 deletions
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33
test/video_source.h
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@@ -18,16 +18,35 @@
namespace libvpx_test { namespace libvpx_test {
static FILE *OpenTestDataFile(const std::string& file_name) { // Helper macros to ensure LIBVPX_TEST_DATA_PATH is a quoted string.
std::string path_to_source = file_name; // These are undefined right below GetDataPath
const char *kDataPath = getenv("LIBVPX_TEST_DATA_PATH"); // NOTE: LIBVPX_TEST_DATA_PATH MUST NOT be a quoted string before
// Stringification or the GetDataPath will fail at runtime
#define TO_STRING(S) #S
#define STRINGIFY(S) TO_STRING(S)
if (kDataPath) { // A simple function to encapsulate cross platform retrieval of test data path
path_to_source = kDataPath; static std::string GetDataPath() {
path_to_source += "/"; const char *const data_path = getenv("LIBVPX_TEST_DATA_PATH");
path_to_source += file_name; if (data_path == NULL) {
#ifdef LIBVPX_TEST_DATA_PATH
// In some environments, we cannot set environment variables
// Instead, we set the data path by using a preprocessor symbol
// which can be set from make files
return STRINGIFY(LIBVPX_TEST_DATA_PATH);
#else
return ".";
#endif
} }
return data_path;
}
// Undefining stringification macros because they are not used elsewhere
#undef TO_STRING
#undef STRINGIFY
static FILE *OpenTestDataFile(const std::string& file_name) {
const std::string path_to_source = GetDataPath() + "/" + file_name;
return fopen(path_to_source.c_str(), "rb"); return fopen(path_to_source.c_str(), "rb");
} }