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Test passing functions as arrays to other contracts.

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This commit is contained in:
chriseth 2016-11-09 15:58:45 +01:00
parent 925d674146
commit 08763a206d
1 changed files with 40 additions and 3 deletions
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43
test/libsolidity/SolidityEndToEndTest.cpp
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@ -8039,10 +8039,47 @@ BOOST_AUTO_TEST_CASE(copy_function_storage_array)
BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(function_array_cross_calls)
{
char const* sourceCode = R"(
contract D {
function f(function() external returns (function() external returns (uint))[] x)
returns (function() external returns (uint)[3] r)
{
r[0] = x[0]();
r[1] = x[1]();
r[2] = x[2]();
}
}
contract C {
function test() returns (uint, uint, uint) {
function() external returns (function() external returns (uint))[] memory x =
new function() external returns (function() external returns (uint))[](10);
for (uint i = 0; i < x.length; i ++)
x[i] = this.h;
x[0] = this.htwo;
var y = (new D()).f(x);
return (y[0](), y[1](), y[2]());
}
function e() returns (uint) { return 5; }
function f() returns (uint) { return 6; }
function g() returns (uint) { return 7; }
uint counter;
function h() returns (function() external returns (uint)) {
return counter++ == 0 ? this.f : this.g;
}
function htwo() returns (function() external returns (uint)) {
return this.e;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(5), u256(6), u256(7)));
}
BOOST_AUTO_TEST_CASE(copy_internal_function_array_to_storage)
{
// This has to apply NOT to the functions because encoding in storage
// is different than encoding in memory.
char const* sourceCode = R"(
contract C {
function() internal returns (uint)[20] x;
@ -8056,7 +8093,7 @@ BOOST_AUTO_TEST_CASE(copy_internal_function_array_to_storage)
if (mutex > 0)
return 7;
mutex = 1;
// If this test fails, it will jump to "0" and re-execute this function.
// If this test fails, it might re-execute this function.
x[0]();
return 2;
}