2 files changed, 19 insertions, 39 deletions

diff --git a/indra/llmath/tests/v3dmath_test.cpp b/indra/llmath/tests/v3dmath_test.cpp
index db08419012..36ad1067a2 100644
--- a/indra/llmath/tests/v3dmath_test.cpp
+++ b/indra/llmath/tests/v3dmath_test.cpp
@@ -504,14 +504,11 @@ namespace tut
     template<> template<>
     void v3dmath_object::test<24>()
     {
-#if LL_WINDOWS && _MSC_VER < 1400
-        skip("This fails on VS2003!");
-#else
         F64 x = 10., y = 20., z = -15.;
         F64 angle1, angle2;
         LLVector3d vec3Da(x,y,z), vec3Db(x,y,z);
         angle1 = angle_between(vec3Da, vec3Db);
-        ensure("1:angle_between: Fail ", (0 == angle1));
+        ensure_approximately_equals_range("1:angle_between: Fail ", angle1, 0., 1.5e-8);
         F64 x1 = -1., y1 = -20., z1 = -1.;
         vec3Da.clearVec();
         vec3Da.setVec(x1,y1,z1);
@@ -520,12 +517,6 @@ namespace tut
         vec3Da.normVec();
         F64 angle = vec3Db*vec3Da;
         angle = acos(angle);
-#if LL_WINDOWS && _MSC_VER > 1900
-        skip("This fails on VS2017!");
-#else
-        ensure("2:angle_between: Fail ", (angle == angle2));
-#endif
-
-#endif
+        ensure_equals("2:angle_between: Fail ", angle, angle2);
     }
 }
diff --git a/indra/test/lltut.h b/indra/test/lltut.h
index fbf60444be..3855eae7a2 100644
--- a/indra/test/lltut.h
+++ b/indra/test/lltut.h
@@ -30,8 +30,10 @@
 #define LL_LLTUT_H
 
 #include "is_approx_equal_fraction.h" // instead of llmath.h
+#include "stringize.h"
 #include <cstring>
 #include <string>
+#include <string_view>
 #include <vector>
 
 class LLDate;
@@ -89,49 +91,38 @@ namespace tut
 // The functions BELOW this point actually consume tut.hpp functionality.
 namespace tut
 {
-    inline void ensure_approximately_equals(const char* msg, F64 actual, F64 expected, U32 frac_bits)
+    template <typename F>           // replace with C++20 floating-point concept
+    inline void ensure_approximately_equals(std::string_view msg, F actual, F expected, U32 frac_bits)
     {
         if(!is_approx_equal_fraction(actual, expected, frac_bits))
         {
-            std::stringstream ss;
-            ss << (msg?msg:"") << (msg?": ":"") << "not equal actual: " << actual << " expected: " << expected;
-            throw tut::failure(ss.str().c_str());
+            throw tut::failure(stringize(msg, (msg.empty()?"":": "), "not equal actual: ",
+                                         actual, " expected: ", expected));
         }
     }
 
-    inline void ensure_approximately_equals(const char* msg, F32 actual, F32 expected, U32 frac_bits)
+    template <typename F>           // replace with C++20 floating-point concept
+    inline void ensure_approximately_equals(F actual, F expected, U32 frac_bits)
     {
-        if(!is_approx_equal_fraction(actual, expected, frac_bits))
-        {
-            std::stringstream ss;
-            ss << (msg?msg:"") << (msg?": ":"") << "not equal actual: " << actual << " expected: " << expected;
-            throw tut::failure(ss.str().c_str());
-        }
-    }
-
-    inline void ensure_approximately_equals(F32 actual, F32 expected, U32 frac_bits)
-    {
-        ensure_approximately_equals(NULL, actual, expected, frac_bits);
+        ensure_approximately_equals("", actual, expected, frac_bits);
     }
 
-    inline void ensure_approximately_equals_range(const char *msg, F32 actual, F32 expected, F32 delta)
+    template <typename F>           // replace with C++20 floating-point concept
+    inline void ensure_approximately_equals_range(std::string_view msg, F actual, F expected, F delta)
     {
         if (fabs(actual-expected)>delta)
         {
-            std::stringstream ss;
-            ss << (msg?msg:"") << (msg?": ":"") << "not equal actual: " << actual << " expected: " << expected << " tolerance: " << delta;
-            throw tut::failure(ss.str().c_str());
+            throw tut::failure(stringize(msg, (msg.empty()?"":": "), "not equal actual: ",
+                                         actual, " expected: ", expected, " tolerance: ", delta));
         }
     }
 
-    inline void ensure_memory_matches(const char* msg,const void* actual, U32 actual_len, const void* expected,U32 expected_len)
+    inline void ensure_memory_matches(std::string_view msg,const void* actual, U32 actual_len, const void* expected,U32 expected_len)
     {
         if((expected_len != actual_len) ||
             (std::memcmp(actual, expected, actual_len) != 0))
         {
-            std::stringstream ss;
-            ss << (msg?msg:"") << (msg?": ":"") << "not equal";
-            throw tut::failure(ss.str().c_str());
+            throw tut::failure(stringize(msg, (msg.empty()?"":": "), "not equal"));
         }
     }
 
@@ -141,13 +132,11 @@ namespace tut
     }
 
     template <class T,class Q>
-    void ensure_not_equals(const char* msg,const Q& actual,const T& expected)
+    void ensure_not_equals(std::string_view msg,const Q& actual,const T& expected)
     {
         if( expected == actual )
         {
-            std::stringstream ss;
-            ss << (msg?msg:"") << (msg?": ":"") << "both equal " << expected;
-            throw tut::failure(ss.str().c_str());
+            throw tut::failure(stringize(msg, (msg.empty()?"":": "), "both equal ", expected));
         }
     }