Commit 00adebd1 authored by Joshua Litt's avatar Joshua Litt Committed by Gerrit Code Review
Browse files

Merge "Allow test data path to be set by preprocessor symbol"

parents e52d3efe ab9160de
......@@ -18,16 +18,35 @@
namespace libvpx_test {
static FILE *OpenTestDataFile(const std::string& file_name) {
std::string path_to_source = file_name;
const char *kDataPath = getenv("LIBVPX_TEST_DATA_PATH");
if (kDataPath) {
path_to_source = kDataPath;
path_to_source += "/";
path_to_source += file_name;
// Helper macros to ensure LIBVPX_TEST_DATA_PATH is a quoted string.
// These are undefined right below GetDataPath
// 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)
// A simple function to encapsulate cross platform retrieval of test data path
static std::string GetDataPath() {
const char *const data_path = getenv("LIBVPX_TEST_DATA_PATH");
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");
}
......
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