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LLL: Test cases for nested IF expressions.

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This commit is contained in:
benjaminion 2017-07-21 10:23:03 +01:00
parent d70974ea7c
commit d84e9e7b6a
1 changed files with 50 additions and 0 deletions
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50
test/liblll/EndToEndTest.cpp
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@ -165,6 +165,56 @@ BOOST_AUTO_TEST_CASE(conditional_seq)
BOOST_CHECK(callFallback() == toBigEndian(u256(1)));
}
BOOST_AUTO_TEST_CASE(conditional_nested_else)
{
char const* sourceCode = R"(
(returnlll
(seq
(def 'input (calldataload 0x04))
;; Calculates width in bytes of utf-8 characters.
(return
(if (< input 0x80) 1
(if (< input 0xE0) 2
(if (< input 0xF0) 3
(if (< input 0xF8) 4
(if (< input 0xFC) 5
6))))))))
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()", 0x00) == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("test()", 0x80) == encodeArgs(u256(2)));
BOOST_CHECK(callContractFunction("test()", 0xe0) == encodeArgs(u256(3)));
BOOST_CHECK(callContractFunction("test()", 0xf0) == encodeArgs(u256(4)));
BOOST_CHECK(callContractFunction("test()", 0xf8) == encodeArgs(u256(5)));
BOOST_CHECK(callContractFunction("test()", 0xfc) == encodeArgs(u256(6)));
}
BOOST_AUTO_TEST_CASE(conditional_nested_then)
{
char const* sourceCode = R"(
(returnlll
(seq
(def 'input (calldataload 0x04))
;; Calculates width in bytes of utf-8 characters.
(return
(if (>= input 0x80)
(if (>= input 0xE0)
(if (>= input 0xF0)
(if (>= input 0xF8)
(if (>= input 0xFC)
6 5) 4) 3) 2) 1))))
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()", 0x00) == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("test()", 0x80) == encodeArgs(u256(2)));
BOOST_CHECK(callContractFunction("test()", 0xe0) == encodeArgs(u256(3)));
BOOST_CHECK(callContractFunction("test()", 0xf0) == encodeArgs(u256(4)));
BOOST_CHECK(callContractFunction("test()", 0xf8) == encodeArgs(u256(5)));
BOOST_CHECK(callContractFunction("test()", 0xfc) == encodeArgs(u256(6)));
}
BOOST_AUTO_TEST_CASE(exp_operator_const)
{
char const* sourceCode = R"(