From e121dc35abafd9a2eda01b05aa5fa13b13e6196e Mon Sep 17 00:00:00 2001 From: Even Rouault Date: Sun, 3 Feb 2019 15:16:01 +0100 Subject: Avoid division by zero in Ellipsoid::computeSemiMinorAxis(). Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12867. Credit to OSS Fuzz. master only --- test/unit/test_datum.cpp | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'test/unit/test_datum.cpp') diff --git a/test/unit/test_datum.cpp b/test/unit/test_datum.cpp index 18cf244a..c6ccf5cf 100644 --- a/test/unit/test_datum.cpp +++ b/test/unit/test_datum.cpp @@ -127,6 +127,18 @@ TEST(datum, ellipsoid_from_inverse_flattening) { // --------------------------------------------------------------------------- +TEST(datum, ellipsoid_from_null_inverse_flattening) { + + auto ellipsoid = Ellipsoid::createFlattenedSphere( + PropertyMap(), Length(6378137), Scale(0)); + EXPECT_FALSE(ellipsoid->inverseFlattening().has_value()); + EXPECT_FALSE(ellipsoid->semiMinorAxis().has_value()); + EXPECT_FALSE(ellipsoid->semiMedianAxis().has_value()); + EXPECT_TRUE(ellipsoid->isSphere()); +} + +// --------------------------------------------------------------------------- + TEST(datum, ellipsoid_from_semi_minor_axis) { auto ellipsoid = Ellipsoid::createTwoAxis(PropertyMap(), Length(6378137), -- cgit v1.2.3