[libcxx] r329194 - [libcxx][test] Improve assert message

[Jan Korous via cfe-commits]

Author: jkorous
Date: Wed Apr  4 06:31:39 2018
New Revision: 329194

URL: http://llvm.org/viewvc/llvm-project?rev=329194&view=rev
Log:
[libcxx][test] Improve assert message

Modified:
    libcxx/trunk/test/std/experimental/filesystem/fs.op.funcs/fs.op.proximate/proximate.pass.cpp

Modified: libcxx/trunk/test/std/experimental/filesystem/fs.op.funcs/fs.op.proximate/proximate.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/filesystem/fs.op.funcs/fs.op.proximate/proximate.pass.cpp?rev=329194&r1=329193&r2=329194&view=diff
==============================================================================
--- libcxx/trunk/test/std/experimental/filesystem/fs.op.funcs/fs.op.proximate/proximate.pass.cpp (original)
+++ libcxx/trunk/test/std/experimental/filesystem/fs.op.funcs/fs.op.proximate/proximate.pass.cpp Wed Apr  4 06:31:39 2018
@@ -102,9 +102,17 @@ TEST_CASE(basic_test) {
     std::error_code ec = GetTestEC();
     fs::path p(TC.input);
     const fs::path output = fs::proximate(p, TC.base, ec);
-    TEST_CHECK(!ec);
-    TEST_CHECK(PathEq(output, TC.expect));
-    if (!PathEq(output, TC.expect)) {
+    if (ec) {
+      TEST_CHECK(!ec);
+      std::cerr << "TEST CASE #" << ID << " FAILED: \n";
+      std::cerr << "  Input: '" << TC.input << "'\n";
+      std::cerr << "  Base: '" << TC.base << "'\n";
+      std::cerr << "  Expected: '" << TC.expect << "'\n";
+
+      std::cerr << std::endl;
+    } else if (!PathEq(output, TC.expect)) {
+      TEST_CHECK(PathEq(output, TC.expect));
+
       const path canon_input = fs::weakly_canonical(TC.input);
       const path canon_base = fs::weakly_canonical(TC.base);
       const path lexically_p = canon_input.lexically_proximate(canon_base);