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-rw-r--r--test/libsolidity/SolidityEndToEndTest.cpp40
1 files changed, 40 insertions, 0 deletions
diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp
index 85582ece..6be9d95b 100644
--- a/test/libsolidity/SolidityEndToEndTest.cpp
+++ b/test/libsolidity/SolidityEndToEndTest.cpp
@@ -11870,6 +11870,46 @@ BOOST_AUTO_TEST_CASE(shift_bytes_cleanup)
ABI_CHECK(callContractFunction("right(uint8)", 8 * 8), encodeArgs(string(8, 0) + "123456789012"));
}
+BOOST_AUTO_TEST_CASE(exp_cleanup)
+{
+ char const* sourceCode = R"(
+ contract C {
+ function f() public pure returns (uint8 x) {
+ uint8 y = uint8(2) ** uint8(8);
+ return 0 ** y;
+ }
+ }
+ )";
+ compileAndRun(sourceCode, 0, "C");
+ ABI_CHECK(callContractFunction("f()"), encodeArgs(u256(0x1)));
+}
+
+BOOST_AUTO_TEST_CASE(exp_cleanup_direct)
+{
+ char const* sourceCode = R"(
+ contract C {
+ function f() public pure returns (uint8 x) {
+ return uint8(0) ** uint8(uint8(2) ** uint8(8));
+ }
+ }
+ )";
+ compileAndRun(sourceCode, 0, "C");
+ ABI_CHECK(callContractFunction("f()"), encodeArgs(u256(0x1)));
+}
+
+BOOST_AUTO_TEST_CASE(exp_cleanup_nonzero_base)
+{
+ char const* sourceCode = R"(
+ contract C {
+ function f() public pure returns (uint8 x) {
+ return uint8(0x166) ** uint8(uint8(2) ** uint8(8));
+ }
+ }
+ )";
+ compileAndRun(sourceCode, 0, "C");
+ ABI_CHECK(callContractFunction("f()"), encodeArgs(u256(0x1)));
+}
+
BOOST_AUTO_TEST_CASE(cleanup_in_compound_assign)
{
char const* sourceCode = R"(