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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/test_kit.h>
#include <vespa/vespalib/eval/function.h>
#include <vespa/vespalib/eval/interpreted_function.h>
#include <vespa/vespalib/eval/test/eval_spec.h>
#include <vespa/vespalib/eval/basic_nodes.h>
#include <vespa/vespalib/util/stringfmt.h>
#include <vespa/vespalib/util/stash.h>
using namespace vespalib::eval;
using vespalib::Stash;
//-----------------------------------------------------------------------------
struct MyEvalTest : test::EvalSpec::EvalTest {
size_t pass_cnt = 0;
size_t fail_cnt = 0;
bool print_pass = false;
bool print_fail = false;
virtual void next_expression(const std::vector<vespalib::string> &,
const vespalib::string &) override {}
virtual void handle_case(const std::vector<vespalib::string> ¶m_names,
const std::vector<double> ¶m_values,
const vespalib::string &expression,
double expected_result) override
{
Function fun = Function::parse(param_names, expression);
EXPECT_EQUAL(fun.num_params(), param_values.size());
InterpretedFunction ifun(SimpleTensorEngine::ref(), fun, NodeTypes());
InterpretedFunction::Context ictx;
for (double param: param_values) {
ictx.add_param(param);
}
const Value &result_value = ifun.eval(ictx);
double result = result_value.as_double();
if (result_value.is_double() && is_same(expected_result, result)) {
print_pass && fprintf(stderr, "verifying: %s -> %g ... PASS\n",
as_string(param_names, param_values, expression).c_str(),
expected_result);
++pass_cnt;
} else {
print_fail && fprintf(stderr, "verifying: %s -> %g ... FAIL: got %g\n",
as_string(param_names, param_values, expression).c_str(),
expected_result, result);
++fail_cnt;
}
}
};
TEST_FF("require that compiled evaluation passes all conformance tests", MyEvalTest(), test::EvalSpec()) {
f1.print_fail = true;
f2.add_all_cases();
f2.each_case(f1);
EXPECT_GREATER(f1.pass_cnt, 1000u);
EXPECT_EQUAL(0u, f1.fail_cnt);
}
//-----------------------------------------------------------------------------
TEST("require that invalid function evaluates to a error") {
std::vector<vespalib::string> params({"x", "y", "z", "w"});
Function function = Function::parse(params, "x & y");
EXPECT_TRUE(function.has_error());
InterpretedFunction ifun(SimpleTensorEngine::ref(), function, NodeTypes());
InterpretedFunction::Context ctx;
ctx.add_param(1);
ctx.add_param(2);
ctx.add_param(3);
ctx.add_param(4);
const Value &result = ifun.eval(ctx);
EXPECT_TRUE(result.is_error());
EXPECT_EQUAL(error_value, result.as_double());
}
//-----------------------------------------------------------------------------
size_t count_ifs(const vespalib::string &expr, std::initializer_list<double> params_in) {
Function fun = Function::parse(expr);
InterpretedFunction ifun(SimpleTensorEngine::ref(), fun, NodeTypes());
InterpretedFunction::Context ctx;
for (double param: params_in) {
ctx.add_param(param);
}
ifun.eval(ctx);
return ctx.if_cnt();
}
TEST("require that if_cnt in eval context is updated correctly") {
EXPECT_EQUAL(0u, count_ifs("1", {}));
EXPECT_EQUAL(1u, count_ifs("if(a<10,if(a<9,if(a<8,if(a<7,5,4),3),2),1)", {10}));
EXPECT_EQUAL(2u, count_ifs("if(a<10,if(a<9,if(a<8,if(a<7,5,4),3),2),1)", {9}));
EXPECT_EQUAL(3u, count_ifs("if(a<10,if(a<9,if(a<8,if(a<7,5,4),3),2),1)", {8}));
EXPECT_EQUAL(4u, count_ifs("if(a<10,if(a<9,if(a<8,if(a<7,5,4),3),2),1)", {7}));
EXPECT_EQUAL(4u, count_ifs("if(a<10,if(a<9,if(a<8,if(a<7,5,4),3),2),1)", {6}));
}
//-----------------------------------------------------------------------------
TEST("require that interpreted function instructions have expected size") {
EXPECT_EQUAL(sizeof(InterpretedFunction::Instruction), 16u);
}
TEST("require that basic addition works") {
Function function = Function::parse("a+10");
InterpretedFunction interpreted(SimpleTensorEngine::ref(), function, NodeTypes());
InterpretedFunction::Context ctx;
ctx.add_param(20);
EXPECT_EQUAL(interpreted.eval(ctx).as_double(), 30.0);
ctx.clear_params();
ctx.add_param(40);
EXPECT_EQUAL(interpreted.eval(ctx).as_double(), 50.0);
}
//-----------------------------------------------------------------------------
TEST_MAIN() { TEST_RUN_ALL(); }
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