diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/libsolidity/SolidityEndToEndTest.cpp | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp index 2df6e9f2..94d4fb7f 100644 --- a/test/libsolidity/SolidityEndToEndTest.cpp +++ b/test/libsolidity/SolidityEndToEndTest.cpp @@ -8456,6 +8456,396 @@ BOOST_AUTO_TEST_CASE(shift_negative_constant_right) BOOST_CHECK(callContractFunction("a()") == encodeArgs(u256(-0x42))); } +BOOST_AUTO_TEST_CASE(shift_left) +{ + char const* sourceCode = R"( + contract C { + function f(uint a, uint b) returns (uint) { + return a << b; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(0)) == encodeArgs(u256(0x4266))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(8)) == encodeArgs(u256(0x426600))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(16)) == encodeArgs(u256(0x42660000))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(17)) == encodeArgs(u256(0x84cc0000))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(240)) == fromHex("4266000000000000000000000000000000000000000000000000000000000000")); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(256)) == encodeArgs(u256(0))); +} + +BOOST_AUTO_TEST_CASE(shift_left_uint32) +{ + char const* sourceCode = R"( + contract C { + function f(uint32 a, uint32 b) returns (uint) { + return a << b; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(0)) == encodeArgs(u256(0x4266))); + BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(8)) == encodeArgs(u256(0x426600))); + BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(16)) == encodeArgs(u256(0x42660000))); + BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(17)) == encodeArgs(u256(0x84cc0000))); + BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(32)) == encodeArgs(u256(0))); +} + +BOOST_AUTO_TEST_CASE(shift_left_uint8) +{ + char const* sourceCode = R"( + contract C { + function f(uint8 a, uint8 b) returns (uint) { + return a << b; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f(uint8,uint8)", u256(0x66), u256(0)) == encodeArgs(u256(0x66))); + BOOST_CHECK(callContractFunction("f(uint8,uint8)", u256(0x66), u256(8)) == encodeArgs(u256(0))); +} + +BOOST_AUTO_TEST_CASE(shift_left_larger_type) +{ + // This basically tests proper cleanup and conversion. It should not convert x to int8. + char const* sourceCode = R"( + contract C { + function f() returns (int8) { + uint8 x = 254; + int8 y = 1; + return y << x; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0))); +} + +BOOST_AUTO_TEST_CASE(shift_left_assignment) +{ + char const* sourceCode = R"( + contract C { + function f(uint a, uint b) returns (uint) { + a <<= b; + return a; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(0)) == encodeArgs(u256(0x4266))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(8)) == encodeArgs(u256(0x426600))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(16)) == encodeArgs(u256(0x42660000))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(17)) == encodeArgs(u256(0x84cc0000))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(240)) == fromHex("4266000000000000000000000000000000000000000000000000000000000000")); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(256)) == encodeArgs(u256(0))); +} + +BOOST_AUTO_TEST_CASE(shift_left_assignment_different_type) +{ + char const* sourceCode = R"( + contract C { + function f(uint a, uint8 b) returns (uint) { + a <<= b; + return a; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f(uint256,uint8)", u256(0x4266), u256(0)) == encodeArgs(u256(0x4266))); + BOOST_CHECK(callContractFunction("f(uint256,uint8)", u256(0x4266), u256(8)) == encodeArgs(u256(0x426600))); + BOOST_CHECK(callContractFunction("f(uint256,uint8)", u256(0x4266), u256(16)) == encodeArgs(u256(0x42660000))); + BOOST_CHECK(callContractFunction("f(uint256,uint8)", u256(0x4266), u256(17)) == encodeArgs(u256(0x84cc0000))); + BOOST_CHECK(callContractFunction("f(uint256,uint8)", u256(0x4266), u256(240)) == fromHex("4266000000000000000000000000000000000000000000000000000000000000")); +} + +BOOST_AUTO_TEST_CASE(shift_right) +{ + char const* sourceCode = R"( + contract C { + function f(uint a, uint b) returns (uint) { + return a >> b; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(0)) == encodeArgs(u256(0x4266))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(8)) == encodeArgs(u256(0x42))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(16)) == encodeArgs(u256(0))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(17)) == encodeArgs(u256(0))); +} + +BOOST_AUTO_TEST_CASE(shift_right_garbled) +{ + char const* sourceCode = R"( + contract C { + function f(uint8 a, uint8 b) returns (uint) { + assembly { + a := 0xffffffff + } + // Higher bits should be cleared before the shift + return a >> b; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f(uint8,uint8)", u256(0x0), u256(4)) == encodeArgs(u256(0xf))); + BOOST_CHECK(callContractFunction("f(uint8,uint8)", u256(0x0), u256(0x1004)) == encodeArgs(u256(0xf))); +} + +BOOST_AUTO_TEST_CASE(shift_right_uint32) +{ + char const* sourceCode = R"( + contract C { + function f(uint32 a, uint32 b) returns (uint) { + return a >> b; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(0)) == encodeArgs(u256(0x4266))); + BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(8)) == encodeArgs(u256(0x42))); + BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(16)) == encodeArgs(u256(0))); + BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(17)) == encodeArgs(u256(0))); +} + +BOOST_AUTO_TEST_CASE(shift_right_uint8) +{ + char const* sourceCode = R"( + contract C { + function f(uint8 a, uint8 b) returns (uint) { + return a >> b; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f(uint8,uint8)", u256(0x66), u256(0)) == encodeArgs(u256(0x66))); + BOOST_CHECK(callContractFunction("f(uint8,uint8)", u256(0x66), u256(8)) == encodeArgs(u256(0x0))); +} + +BOOST_AUTO_TEST_CASE(shift_right_assignment) +{ + char const* sourceCode = R"( + contract C { + function f(uint a, uint b) returns (uint) { + a >>= b; + return a; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(0)) == encodeArgs(u256(0x4266))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(8)) == encodeArgs(u256(0x42))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(16)) == encodeArgs(u256(0))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(17)) == encodeArgs(u256(0))); +} + +BOOST_AUTO_TEST_CASE(shift_right_negative_lvalue) +{ + char const* sourceCode = R"( + contract C { + function f(int a, int b) returns (int) { + return a >> b; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(0)) == encodeArgs(u256(-4266))); + BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(8)) == encodeArgs(u256(-16))); + BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(16)) == encodeArgs(u256(0))); + BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(17)) == encodeArgs(u256(0))); +} + +BOOST_AUTO_TEST_CASE(shift_right_negative_lvalue_assignment) +{ + char const* sourceCode = R"( + contract C { + function f(int a, int b) returns (int) { + a >>= b; + return a; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(0)) == encodeArgs(u256(-4266))); + BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(8)) == encodeArgs(u256(-16))); + BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(16)) == encodeArgs(u256(0))); + BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(17)) == encodeArgs(u256(0))); +} + +BOOST_AUTO_TEST_CASE(shift_negative_rvalue) +{ + char const* sourceCode = R"( + contract C { + function f(int a, int b) returns (int) { + return a << b; + } + function g(int a, int b) returns (int) { + return a >> b; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f(int256,int256)", u256(1), u256(-1)) == encodeArgs()); + BOOST_CHECK(callContractFunction("g(int256,int256)", u256(1), u256(-1)) == encodeArgs()); +} + +BOOST_AUTO_TEST_CASE(shift_negative_rvalue_assignment) +{ + char const* sourceCode = R"( + contract C { + function f(int a, int b) returns (int) { + a <<= b; + return a; + } + function g(int a, int b) returns (int) { + a >>= b; + return a; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f(int256,int256)", u256(1), u256(-1)) == encodeArgs()); + BOOST_CHECK(callContractFunction("g(int256,int256)", u256(1), u256(-1)) == encodeArgs()); +} + +BOOST_AUTO_TEST_CASE(shift_constant_left_assignment) +{ + char const* sourceCode = R"( + contract C { + function f() returns (uint a) { + a = 0x42; + a <<= 8; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0x4200))); +} + +BOOST_AUTO_TEST_CASE(shift_constant_right_assignment) +{ + char const* sourceCode = R"( + contract C { + function f() returns (uint a) { + a = 0x4200; + a >>= 8; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0x42))); +} + +BOOST_AUTO_TEST_CASE(shift_cleanup) +{ + char const* sourceCode = R"( + contract C { + function f() returns (uint16 x) { + x = 0xffff; + x += 32; + x <<= 8; + x >>= 16; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0x0))); +} + +BOOST_AUTO_TEST_CASE(shift_cleanup_garbled) +{ + char const* sourceCode = R"( + contract C { + function f() returns (uint8 x) { + assembly { + x := 0xffff + } + x >>= 8; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0x0))); +} + +BOOST_AUTO_TEST_CASE(shift_overflow) +{ + char const* sourceCode = R"( + contract C { + function leftU(uint8 x, uint8 y) returns (uint8) { + return x << y; + } + function leftS(int8 x, int8 y) returns (int8) { + return x << y; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("leftU(uint8,uint8)", 255, 8) == encodeArgs(u256(0))); + BOOST_CHECK(callContractFunction("leftU(uint8,uint8)", 255, 1) == encodeArgs(u256(254))); + BOOST_CHECK(callContractFunction("leftU(uint8,uint8)", 255, 0) == encodeArgs(u256(255))); + + // Result is -128 and output is sign-extended, not zero-padded. + BOOST_CHECK(callContractFunction("leftS(int8,int8)", 1, 7) == encodeArgs(u256(0) - 128)); + BOOST_CHECK(callContractFunction("leftS(int8,int8)", 1, 6) == encodeArgs(u256(64))); +} + +BOOST_AUTO_TEST_CASE(shift_bytes) +{ + char const* sourceCode = R"( + contract C { + function left(bytes20 x, uint8 y) returns (bytes20) { + return x << y; + } + function right(bytes20 x, uint8 y) returns (bytes20) { + return x >> y; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("left(bytes20,uint8)", "12345678901234567890", 8 * 8) == encodeArgs("901234567890" + string(8, 0))); + BOOST_CHECK(callContractFunction("right(bytes20,uint8)", "12345678901234567890", 8 * 8) == encodeArgs(string(8, 0) + "123456789012")); +} + +BOOST_AUTO_TEST_CASE(shift_bytes_cleanup) +{ + char const* sourceCode = R"( + contract C { + function left(uint8 y) returns (bytes20) { + bytes20 x; + assembly { x := "12345678901234567890abcde" } + return x << y; + } + function right(uint8 y) returns (bytes20) { + bytes20 x; + assembly { x := "12345678901234567890abcde" } + return x >> y; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("left(uint8)", 8 * 8) == encodeArgs("901234567890" + string(8, 0))); + BOOST_CHECK(callContractFunction("right(uint8)", 8 * 8) == encodeArgs(string(8, 0) + "123456789012")); +} + +BOOST_AUTO_TEST_CASE(cleanup_in_compound_assign) +{ + char const* sourceCode = R"( + contract C { + function test() returns (uint, uint) { + uint32 a = 0xffffffff; + uint16 x = uint16(a); + uint16 y = x; + x /= 0x100; + y = y / 0x100; + return (x, y); + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(0xff), u256(0xff))); +} + BOOST_AUTO_TEST_CASE(inline_assembly_in_modifiers) { char const* sourceCode = R"( |