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Add 'fsanitize=address,undefined' to tests and flatc targets (#5009)

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* Add '-fsanitize' optional flags to flattests and flatc targets

Control: -DFLATBUFFERS_CODE_SANITIZE=(ON | OFF | "=memory,undefined")
Travis-CI: building with -DFLATBUFFERS_CODE_SANITIZE=ON

* Fix -pie flag

* Cleanup
This commit is contained in:
Vladimir Glavnyy
2018-10-30 01:29:05 +07:00
committed by Wouter van Oortmerssen
parent bd20a60d6a
commit 0fb1d44bc4
4 changed files with 70 additions and 7 deletions
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11
tests/test.cpp
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@@ -1346,8 +1346,15 @@ void EnumNamesTest() {
TEST_EQ_STR("Red", EnumNameColor(Color_Red));
TEST_EQ_STR("Green", EnumNameColor(Color_Green));
TEST_EQ_STR("Blue", EnumNameColor(Color_Blue));
TEST_EQ_STR("", EnumNameColor(static_cast<Color>(-1)));
TEST_EQ_STR("", EnumNameColor(static_cast<Color>(1000)));
// Check that Color to string don't crash while decode a mixture of Colors.
// 1) Example::Color enum is enum with unfixed underlying type.
// 2) Valid enum range: [0; 2^(ceil(log2(Color_ANY))) - 1].
// Consequence: A value is out of this range will lead to UB (since C++17).
// For details see C++17 standard or explanation on the SO:
// stackoverflow.com/questions/18195312/what-happens-if-you-static-cast-invalid-value-to-enum-class
TEST_EQ_STR("", EnumNameColor(static_cast<Color>(0)));
TEST_EQ_STR("", EnumNameColor(static_cast<Color>(Color_ANY-1)));
TEST_EQ_STR("", EnumNameColor(static_cast<Color>(Color_ANY+1)));
}
void EnumOutOfRangeTest() {