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#include "tests/libexpr.hh"
#include "value.hh"
namespace nix {
using namespace testing;
struct ValuePrintingTests : LibExprTest
{
template<class... A>
void test(Value v, std::string_view expected, A... args)
{
std::stringstream out;
v.print(state.symbols, out, args...);
ASSERT_EQ(out.str(), expected);
}
};
TEST_F(ValuePrintingTests, tInt)
{
Value vInt;
vInt.mkInt(10);
test(vInt, "10");
}
TEST_F(ValuePrintingTests, tBool)
{
Value vBool;
vBool.mkBool(true);
test(vBool, "true");
}
TEST_F(ValuePrintingTests, tString)
{
Value vString;
vString.mkString("some-string");
test(vString, "\"some-string\"");
}
TEST_F(ValuePrintingTests, tPath)
{
Value vPath;
vPath.mkString("/foo");
test(vPath, "\"/foo\"");
}
TEST_F(ValuePrintingTests, tNull)
{
Value vNull;
vNull.mkNull();
test(vNull, "null");
}
TEST_F(ValuePrintingTests, tAttrs)
{
Value vOne;
vOne.mkInt(1);
Value vTwo;
vTwo.mkInt(2);
BindingsBuilder builder(state, state.allocBindings(10));
builder.insert(state.symbols.create("one"), &vOne);
builder.insert(state.symbols.create("two"), &vTwo);
Value vAttrs;
vAttrs.mkAttrs(builder.finish());
test(vAttrs, "{ one = 1; two = 2; }");
}
TEST_F(ValuePrintingTests, tList)
{
Value vOne;
vOne.mkInt(1);
Value vTwo;
vTwo.mkInt(2);
Value vList;
state.mkList(vList, 5);
vList.bigList.elems[0] = &vOne;
vList.bigList.elems[1] = &vTwo;
vList.bigList.size = 3;
test(vList, "[ 1 2 (nullptr) ]");
}
TEST_F(ValuePrintingTests, vThunk)
{
Value vThunk;
vThunk.mkThunk(nullptr, nullptr);
test(vThunk, "<CODE>");
}
TEST_F(ValuePrintingTests, vApp)
{
Value vApp;
vApp.mkApp(nullptr, nullptr);
test(vApp, "<CODE>");
}
TEST_F(ValuePrintingTests, vLambda)
{
Value vLambda;
vLambda.mkLambda(nullptr, nullptr);
test(vLambda, "<LAMBDA>");
}
TEST_F(ValuePrintingTests, vPrimOp)
{
Value vPrimOp;
vPrimOp.mkPrimOp(nullptr);
test(vPrimOp, "<PRIMOP>");
}
TEST_F(ValuePrintingTests, vPrimOpApp)
{
Value vPrimOpApp;
vPrimOpApp.mkPrimOpApp(nullptr, nullptr);
test(vPrimOpApp, "<PRIMOP-APP>");
}
TEST_F(ValuePrintingTests, vExternal)
{
struct MyExternal : ExternalValueBase
{
public:
std::string showType() const override
{
return "";
}
std::string typeOf() const override
{
return "";
}
virtual std::ostream & print(std::ostream & str) const override
{
str << "testing-external!";
return str;
}
} myExternal;
Value vExternal;
vExternal.mkExternal(&myExternal);
test(vExternal, "testing-external!");
}
TEST_F(ValuePrintingTests, vFloat)
{
Value vFloat;
vFloat.mkFloat(2.0);
test(vFloat, "2");
}
TEST_F(ValuePrintingTests, vBlackhole)
{
Value vBlackhole;
vBlackhole.mkBlackhole();
test(vBlackhole, "«potential infinite recursion»");
}
} // namespace nix
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