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| author | chriseth <c@ethdev.com> | 2016-12-07 06:45:17 +0800 |
|---|---|---|
| committer | chriseth <c@ethdev.com> | 2016-12-12 18:12:12 +0800 |
| commit | 273804503096d8d5d0c9d1fcece48da871f2d90f (patch) | |
| tree | 7ba765f21be9a6f3177cb2a3023bc475e14f3a93 /test | |
| parent | 2df60bec923e1bac74cde00ae9bda641ca29d6c1 (diff) | |
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Cleaner shift handling and type conversion for binary operations.
Diffstat (limited to 'test')
| -rw-r--r-- | test/libsolidity/SolidityEndToEndTest.cpp | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp index 0ac88a81..3d38516d 100644 --- a/test/libsolidity/SolidityEndToEndTest.cpp +++ b/test/libsolidity/SolidityEndToEndTest.cpp @@ -8507,17 +8507,18 @@ BOOST_AUTO_TEST_CASE(shift_left_uint8) 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 = 255; + uint8 x = 254; int8 y = 1; - return a << b; + return y << x; } } )"; compileAndRun(sourceCode, 0, "C"); - BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(1) << 255)); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0))); } BOOST_AUTO_TEST_CASE(shift_left_assignment) @@ -8570,6 +8571,7 @@ BOOST_AUTO_TEST_CASE(shift_right_garbled) )"; compileAndRun(sourceCode, 0, "C"); BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x0), u256(4)) == encodeArgs(u256(0xf))); + BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x0), u256(0x1004)) == encodeArgs(u256(0xf))); } BOOST_AUTO_TEST_CASE(shift_right_uint32) @@ -8769,6 +8771,23 @@ BOOST_AUTO_TEST_CASE(shift_overflow) BOOST_CHECK(callContractFunction("leftS(int8,int8)", 1, 6) == encodeArgs(u256(64))); } +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; + 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"( |