commit 7c9bad02d26a59466c760a28989f7045c8f133ad
author Hugo van der Merwe <17109322+hugovdm@users.noreply.github.com> Fri Nov 06 17:55:21 2020 +0000
committer Hugo van der Merwe <17109322+hugovdm@users.noreply.github.com> Wed Nov 11 18:31:18 2020 +0100
tree 5ee684df9490a2110f6431e490ccb653bd2db9eb
parent 50f3d015530781dc9719565ad3f0a81ef3ae4de0

ICU-21366 testConverter: allow some double-precision error for 0.0

See #1443

icu4c/source/test/intltest/units_test.cpp

diff --git a/icu4c/source/test/intltest/units_test.cpp b/icu4c/source/test/intltest/units_test.cpp
index c023070..c88116a 100644
--- a/icu4c/source/test/intltest/units_test.cpp
+++ b/icu4c/source/test/intltest/units_test.cpp
@@ -247,9 +247,12 @@
             continue;
         }
 
+        double maxDelta = 1e-6 * uprv_fabs(testCase.expectedValue);
+        if (testCase.expectedValue == 0) {
+            maxDelta = 1e-12;
+        }
         assertEqualsNear(UnicodeString("testConverter: ") + testCase.source + " to " + testCase.target,
-                         testCase.expectedValue, converter.convert(testCase.inputValue),
-                         0.0001 * uprv_fabs(testCase.expectedValue));
+                         testCase.expectedValue, converter.convert(testCase.inputValue), maxDelta);
     }
 }