From df8237044fcb583231323a7e2f9a7310cd80edf7 Mon Sep 17 00:00:00 2001 From: Klaus Aehlig Date: Tue, 1 Mar 2022 18:52:20 +0100 Subject: expression language: add a range function Given a number or number representation, return a list of that length consisting of representations of the lower numbers. In this way, repeated non-pure actions can be generated (e.g., repetitions of a test to detect flakyness). --- .../build_engine/expression/expression.test.cpp | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'test/buildtool/build_engine/expression/expression.test.cpp') diff --git a/test/buildtool/build_engine/expression/expression.test.cpp b/test/buildtool/build_engine/expression/expression.test.cpp index 180fcbe0..89ab6e5e 100644 --- a/test/buildtool/build_engine/expression/expression.test.cpp +++ b/test/buildtool/build_engine/expression/expression.test.cpp @@ -1335,6 +1335,33 @@ TEST_CASE("Expression Evaluation", "[expression]") { // NOLINT CHECK(dep_result == Expression::FromJson(R"(["subdir", "bar_suffix"])"_json)); } + + SECTION("range expression") { + auto expr_str = Expression::FromJson(R"( + { "type": "range" + , "$1": "3" + })"_json); + REQUIRE(expr_str); + auto str_result = expr_str.Evaluate(env, fcts); + CHECK(str_result == Expression::FromJson(R"(["0", "1", "2"])"_json)); + + auto expr_number = Expression::FromJson(R"( + { "type": "range" + , "$1": 4 + })"_json); + REQUIRE(expr_number); + auto number_result = expr_number.Evaluate(env, fcts); + CHECK(number_result == + Expression::FromJson(R"(["0", "1", "2", "3"])"_json)); + + auto expr_null = Expression::FromJson(R"( + { "type": "range" + , "$1": null + })"_json); + REQUIRE(expr_null); + auto null_result = expr_null.Evaluate(env, fcts); + CHECK(null_result == Expression::FromJson(R"([])"_json)); + } } TEST_CASE("Expression hash computation", "[expression]") { -- cgit v1.2.3