Android patch: Android support for ICU4C tests.
On Android, the source tree is not available as the tests are cross
compiled. The ICU data itself is installed to a known system path, and
additional test data is found at paths relative to the test binary.
The upstream request is tracked at
https://unicode-org.atlassian.net/browse/ICU-13849.
Bug: 120776993
Test: treehugger
Change-Id: I80ef7a1134ea56325078f9be2f43f294ce997a0a
diff --git a/icu4c/source/tools/ctestfw/ctest.c b/icu4c/source/tools/ctestfw/ctest.c
index 54a248d..b56c85b 100644
--- a/icu4c/source/tools/ctestfw/ctest.c
+++ b/icu4c/source/tools/ctestfw/ctest.c
@@ -18,6 +18,12 @@
#include <ctype.h>
#include <limits.h>
+#if defined(__ANDROID__)
+#include <errno.h>
+#include <libgen.h>
+#include <unistd.h>
+#endif
+
#if defined(__linux__)
#include <features.h>
#endif
@@ -1345,7 +1351,23 @@
return srcDir;
}
-#if defined(U_TOPSRCDIR)
+#if defined(__ANDROID__)
+ /*
+ * On Android, the source tree is not available as the tests are cross
+ * compiled. Test data is found at paths relative to the test binary.
+ */
+ char exePath[PATH_MAX];
+ ssize_t len = readlink("/proc/self/exe", exePath, sizeof(exePath));
+ if (len == -1) {
+ fprintf(stderr, "Failed to read /proc/self/exe: %s\n", strerror(errno));
+ abort();
+ }
+ exePath[len] = '\0';
+
+ static char path[PATH_MAX];
+ snprintf(path, sizeof(path), "%s/", dirname(exePath));
+ srcDir = path;
+#elif defined(U_TOPSRCDIR)
/* U_TOPSRCDIR is set by the makefiles on UNIXes when building cintltst and
* intltst to point to the top of the build hierarchy, which may or may not
* be the same as the source directory, depending on the configure options
@@ -1430,10 +1452,17 @@
return path;
}
+#if defined(__ANDROID__)
+ // Android has the ICU data installed to a known location on the device. Use
+ // that if ICU_DATA is not set.
+ snprintf(path, sizeof(path), "/system/usr/icu/");
+ return path;
+#else
// But fallback to the source directory if needed.
snprintf(path, sizeof(path), "%sout%s", ctest_dataSrcDir(),
U_FILE_SEP_STRING);
return path;
+#endif
}
const char* T_CTEST_EXPORT2
