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| author | Alex Beregszaszi <alex@rtfs.hu> | 2017-10-02 20:38:21 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-10-02 20:38:21 +0800 |
| commit | 6cbb726fb8970c6cb98e9b6a2928ef612ad9d760 (patch) | |
| tree | fcf65dc5db8179404b60a0332ad740cf24ab9a73 /test/liblll/EndToEndTest.cpp | |
| parent | 2a8e965bb135a806aaaab9aa5df24da6d7def1ba (diff) | |
| parent | d010d6300c667bbe81469a23e6bf76015623e76b (diff) | |
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Merge pull request #2622 from benjaminion/lll-switch
LLL: Implement a "switch" expression
Diffstat (limited to 'test/liblll/EndToEndTest.cpp')
| -rw-r--r-- | test/liblll/EndToEndTest.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/test/liblll/EndToEndTest.cpp b/test/liblll/EndToEndTest.cpp index 9292d963..1a5bb490 100644 --- a/test/liblll/EndToEndTest.cpp +++ b/test/liblll/EndToEndTest.cpp @@ -215,6 +215,92 @@ BOOST_AUTO_TEST_CASE(conditional_nested_then) BOOST_CHECK(callContractFunction("test()", 0xfc) == encodeArgs(u256(6))); } +BOOST_AUTO_TEST_CASE(conditional_switch) +{ + char const* sourceCode = R"( + (returnlll + (seq + (def 'input (calldataload 0x04)) + ;; Calculates width in bytes of utf-8 characters. + (return + (switch + (< input 0x80) 1 + (< input 0xE0) 2 + (< input 0xF0) 3 + (< input 0xF8) 4 + (< 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_switch_one_arg_with_deposit) +{ + char const* sourceCode = R"( + (returnlll + (return + (switch 42))) + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callFallback() == encodeArgs(u256(42))); +} + +BOOST_AUTO_TEST_CASE(conditional_switch_one_arg_no_deposit) +{ + char const* sourceCode = R"( + (returnlll + (seq + (switch [0]:42) + (return 0x00 0x20))) + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callFallback() == encodeArgs(u256(42))); +} + +BOOST_AUTO_TEST_CASE(conditional_switch_two_args) +{ + char const* sourceCode = R"( + (returnlll + (seq + (switch (= (calldataload 0x04) 1) [0]:42) + (return 0x00 0x20))) + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()", 0) == encodeArgs(u256(0))); + BOOST_CHECK(callContractFunction("test()", 1) == encodeArgs(u256(42))); +} + +BOOST_AUTO_TEST_CASE(conditional_switch_three_args_with_deposit) +{ + char const* sourceCode = R"( + (returnlll + (return + (switch (= (calldataload 0x04) 1) 41 42))) + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()", 0) == encodeArgs(u256(42))); + BOOST_CHECK(callContractFunction("test()", 1) == encodeArgs(u256(41))); +} + +BOOST_AUTO_TEST_CASE(conditional_switch_three_args_no_deposit) +{ + char const* sourceCode = R"( + (returnlll + (switch + (= (calldataload 0x04) 1) (return 41) + (return 42))) + )"; + compileAndRun(sourceCode); + BOOST_CHECK(callContractFunction("test()", 0) == encodeArgs(u256(42))); + BOOST_CHECK(callContractFunction("test()", 1) == encodeArgs(u256(41))); +} + BOOST_AUTO_TEST_CASE(exp_operator_const) { char const* sourceCode = R"( |