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author | Alex Beregszaszi <alex@rtfs.hu> | 2018-08-02 05:37:46 +0800 |
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committer | Alex Beregszaszi <alex@rtfs.hu> | 2018-11-22 21:33:24 +0800 |
commit | 636da48e82f64224a8611dabad1b8a1a019fcfd4 (patch) | |
tree | 2fbb7d054675ef81fe7dd91c80b5bf7668235993 /test/libsolidity/SMTChecker.cpp | |
parent | a5411965e6d7abf50f896291d69cab820db6ef87 (diff) | |
download | dexon-solidity-636da48e82f64224a8611dabad1b8a1a019fcfd4.tar.gz dexon-solidity-636da48e82f64224a8611dabad1b8a1a019fcfd4.tar.zst dexon-solidity-636da48e82f64224a8611dabad1b8a1a019fcfd4.zip |
Move most of SMTChecker tests from C++ to isoltest
But keep divison in C++ because results differ between different solvers
Diffstat (limited to 'test/libsolidity/SMTChecker.cpp')
-rw-r--r-- | test/libsolidity/SMTChecker.cpp | 593 |
1 files changed, 0 insertions, 593 deletions
diff --git a/test/libsolidity/SMTChecker.cpp b/test/libsolidity/SMTChecker.cpp index 13fcc5b4..a49618bd 100644 --- a/test/libsolidity/SMTChecker.cpp +++ b/test/libsolidity/SMTChecker.cpp @@ -56,599 +56,6 @@ protected: BOOST_FIXTURE_TEST_SUITE(SMTChecker, SMTCheckerFramework) -BOOST_AUTO_TEST_CASE(smoke_test) -{ - string text = R"( - contract C { } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); -} - -BOOST_AUTO_TEST_CASE(simple_overflow) -{ - string text = R"( - contract C { - function f(uint a, uint b) public pure returns (uint) { return a + b; } - } - )"; - CHECK_WARNING(text, "Overflow (resulting value larger than"); -} - -BOOST_AUTO_TEST_CASE(warn_on_typecast) -{ - string text = R"( - contract C { - function f() public pure returns (uint) { - return uint8(1); - } - } - )"; - CHECK_WARNING(text, "Assertion checker does not yet implement this expression."); -} - -BOOST_AUTO_TEST_CASE(warn_on_struct) -{ - string text = R"( - pragma experimental ABIEncoderV2; - contract C { - struct A { uint a; uint b; } - function f() public pure returns (A memory) { - return A({ a: 1, b: 2 }); - } - } - )"; - CHECK_WARNING_ALLOW_MULTI(text, (vector<string>{ - "Experimental feature", - "Assertion checker does not yet implement this expression.", - "Assertion checker does not yet support the type of this variable." - })); -} - -BOOST_AUTO_TEST_CASE(simple_assert) -{ - string text = R"( - contract C { - function f(uint a) public pure { assert(a == 2); } - } - )"; - CHECK_WARNING(text, "Assertion violation happens here"); -} - -BOOST_AUTO_TEST_CASE(simple_assert_with_require) -{ - string text = R"( - contract C { - function f(uint a) public pure { require(a < 10); assert(a < 20); } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); -} - -BOOST_AUTO_TEST_CASE(assignment_in_declaration) -{ - string text = R"( - contract C { - function f() public pure { uint a = 2; assert(a == 2); } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); -} - -BOOST_AUTO_TEST_CASE(branches_merge_variables) -{ - // Branch does not touch variable a - string text = R"( - contract C { - function f(uint x) public pure { - uint a = 3; - if (x > 10) { - } - assert(a == 3); - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - // Positive branch touches variable a, but assertion should still hold. - text = R"( - contract C { - function f(uint x) public pure { - uint a = 3; - if (x > 10) { - a = 3; - } - assert(a == 3); - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - // Negative branch touches variable a, but assertion should still hold. - text = R"( - contract C { - function f(uint x) public pure { - uint a = 3; - if (x > 10) { - } else { - a = 3; - } - assert(a == 3); - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - // Variable is not merged, if it is only read. - text = R"( - contract C { - function f(uint x) public pure { - uint a = 3; - if (x > 10) { - assert(a == 3); - } else { - assert(a == 3); - } - assert(a == 3); - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - // Variable is reset in both branches - text = R"( - contract C { - function f(uint x) public pure { - uint a = 2; - if (x > 10) { - a = 3; - } else { - a = 3; - } - assert(a == 3); - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - // Variable is reset in both branches - text = R"( - contract C { - function f(uint x) public pure { - uint a = 2; - if (x > 10) { - a = 3; - } else { - a = 4; - } - assert(a >= 3); - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); -} - -BOOST_AUTO_TEST_CASE(branches_assert_condition) -{ - string text = R"( - contract C { - function f(uint x) public pure { - if (x > 10) { - assert(x > 9); - } - else - { - assert(x < 11); - } - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - text = R"( - contract C { - function f(uint x) public pure { - if (x > 10) { - assert(x > 9); - } - else if (x > 2) - { - assert(x <= 10 && x > 2); - } - else - { - assert(0 <= x && x <= 2); - } - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); -} - -BOOST_AUTO_TEST_CASE(ways_to_merge_variables) -{ - string text = R"( - contract C { - function f(uint x) public pure { - uint a = 3; - if (x > 10) { - a++; - } - assert(a == 3); - } - } - )"; - CHECK_WARNING(text, "Assertion violation happens here"); - text = R"( - contract C { - function f(uint x) public pure { - uint a = 3; - if (x > 10) { - ++a; - } - assert(a == 3); - } - } - )"; - CHECK_WARNING(text, "Assertion violation happens here"); - text = R"( - contract C { - function f(uint x) public pure { - uint a = 3; - if (x > 10) { - a = 5; - } - assert(a == 3); - } - } - )"; - CHECK_WARNING(text, "Assertion violation happens here"); -} - -BOOST_AUTO_TEST_CASE(bool_simple) -{ - string text = R"( - contract C { - function f(bool x) public pure { - assert(x); - } - } - )"; - CHECK_WARNING(text, "Assertion violation happens here"); - text = R"( - contract C { - function f(bool x, bool y) public pure { - assert(x == y); - } - } - )"; - CHECK_WARNING(text, "Assertion violation happens here"); - text = R"( - contract C { - function f(bool x, bool y) public pure { - bool z = x || y; - assert(!(x && y) || z); - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - text = R"( - contract C { - function f(bool x) public pure { - if (x) { - assert(x); - } else { - assert(!x); - } - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - text = R"( - contract C { - function f(bool x) public pure { - bool y = x; - assert(x == y); - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - text = R"( - contract C { - function f(bool x) public pure { - require(x); - bool y; - y = false; - assert(x || y); - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); -} - -BOOST_AUTO_TEST_CASE(bool_int_mixed) -{ - string text = R"( - contract C { - function f(bool x) public pure { - uint a; - if (x) - a = 1; - assert(!x || a > 0); - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - text = R"( - contract C { - function f(bool x, uint a) public pure { - require(!x || a > 0); - uint b = a; - assert(!x || b > 0); - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - text = R"( - contract C { - function f(bool x, bool y) public pure { - uint a; - if (x) { - if (y) { - a = 0; - } else { - a = 1; - } - } else { - if (y) { - a = 1; - } else { - a = 0; - } - } - bool xor_x_y = (x && !y) || (!x && y); - assert(!xor_x_y || a > 0); - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); -} - -BOOST_AUTO_TEST_CASE(storage_value_vars) -{ - string text = R"( - contract C - { - address a; - bool b; - uint c; - function f(uint x) public { - if (x == 0) - { - a = 0x0000000000000000000000000000000000000100; - b = true; - } - else - { - a = 0x0000000000000000000000000000000000000200; - b = false; - } - assert(a > 0x0000000000000000000000000000000000000000 && b); - } - } - )"; - CHECK_WARNING(text, "Assertion violation happens here"); - text = R"( - contract C - { - address a; - bool b; - uint c; - function f() public view { - assert(c > 0); - } - } - )"; - CHECK_WARNING(text, "Assertion violation happens here"); - text = R"( - contract C - { - function f(uint x) public { - if (x == 0) - { - a = 0x0000000000000000000000000000000000000100; - b = true; - } - else - { - a = 0x0000000000000000000000000000000000000200; - b = false; - } - assert(b == (a < 0x0000000000000000000000000000000000000200)); - } - - function g() public view { - require(a < 0x0000000000000000000000000000000000000100); - assert(c >= 0); - } - address a; - bool b; - uint c; - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - text = R"( - contract C - { - function f() public view { - assert(c > 0); - } - uint c; - } - )"; - CHECK_WARNING(text, "Assertion violation happens here"); - -} - -BOOST_AUTO_TEST_CASE(while_loop_simple) -{ - // Check that variables are cleared - string text = R"( - contract C { - function f(uint x) public pure { - x = 2; - while (x > 1) { - x = 2; - } - assert(x == 2); - } - } - )"; - CHECK_WARNING(text, "Assertion violation happens here"); - // Check that condition is assumed. - text = R"( - contract C { - function f(uint x) public pure { - while (x == 2) { - assert(x == 2); - } - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - // Check that condition is not assumed after the body anymore - text = R"( - contract C { - function f(uint x) public pure { - while (x == 2) { - } - assert(x == 2); - } - } - )"; - CHECK_WARNING(text, "Assertion violation happens here"); - // Check that negation of condition is not assumed after the body anymore - text = R"( - contract C { - function f(uint x) public pure { - while (x == 2) { - } - assert(x != 2); - } - } - )"; - CHECK_WARNING(text, "Assertion violation happens here"); - // Check that side-effects of condition are taken into account - text = R"( - contract C { - function f(uint x, uint y) public pure { - x = 7; - while ((x = y) > 0) { - } - assert(x == 7); - } - } - )"; - CHECK_WARNING(text, "Assertion violation happens here"); -} - -BOOST_AUTO_TEST_CASE(constant_condition) -{ - string text = R"( - contract C { - function f(uint x) public pure { - if (x >= 0) { revert(); } - } - } - )"; - CHECK_WARNING_ALLOW_MULTI(text, (vector<string>{ - "Condition is always true", - "Assertion checker does not yet implement this type of function call" - })); - text = R"( - contract C { - function f(uint x) public pure { - if (x >= 10) { if (x < 10) { revert(); } } - } - } - )"; - CHECK_WARNING_ALLOW_MULTI(text, (vector<string>{ - "Condition is always false", - "Assertion checker does not yet implement this type of function call" - })); - // a plain literal constant is fine - text = R"( - contract C { - function f(uint) public pure { - if (true) { revert(); } - } - } - )"; - CHECK_WARNING(text, "Assertion checker does not yet implement this type of function call"); -} - - -BOOST_AUTO_TEST_CASE(for_loop) -{ - string text = R"( - contract C { - function f(uint x) public pure { - require(x == 2); - for (;;) {} - assert(x == 2); - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - text = R"( - contract C { - function f(uint x) public pure { - for (; x == 2; ) { - assert(x == 2); - } - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - text = R"( - contract C { - function f(uint x) public pure { - for (uint y = 2; x < 10; ) { - assert(y == 2); - } - } - } - )"; - CHECK_SUCCESS_NO_WARNINGS(text); - text = R"( - contract C { - function f(uint x) public pure { - for (uint y = 2; x < 10; y = 3) { - assert(y == 2); - } - } - } - )"; - CHECK_WARNING(text, "Assertion violation"); - text = R"( - contract C { - function f(uint x) public pure { - uint y; - for (y = 2; x < 10; ) { - y = 3; - } - assert(y == 3); - } - } - )"; - CHECK_WARNING(text, "Assertion violation"); - text = R"( - contract C { - function f(uint x) public pure { - uint y; - for (y = 2; x < 10; ) { - y = 3; - } - assert(y == 2); - } - } - )"; - CHECK_WARNING(text, "Assertion violation"); -} - BOOST_AUTO_TEST_CASE(division) { string text = R"( |