allow tests to run on older standard libraries

1 files changed, 134 insertions, 0 deletions

diff --git a/toolsrc/src/vcpkg-test/specifier.cpp b/toolsrc/src/vcpkg-test/specifier.cpp
new file mode 100644
index 000000000..330a96d78
--- /dev/null
+++ b/toolsrc/src/vcpkg-test/specifier.cpp
@@ -0,0 +1,134 @@
+#include <vcpkg-test/catch.h>
+
+#include <vcpkg/base/util.h>
+#include <vcpkg/packagespec.h>
+
+using namespace vcpkg;
+
+TEST_CASE ("specifier conversion", "[specifier]")
+{
+    SECTION ("full package spec to feature specs")
+    {
+        constexpr std::size_t SPEC_SIZE = 6;
+
+        auto a_spec = PackageSpec::from_name_and_triplet("a", Triplet::X64_WINDOWS).value_or_exit(VCPKG_LINE_INFO);
+        auto b_spec = PackageSpec::from_name_and_triplet("b", Triplet::X64_WINDOWS).value_or_exit(VCPKG_LINE_INFO);
+
+        auto fspecs = FullPackageSpec::to_feature_specs({{a_spec, {"0", "1"}}, {b_spec, {"2", "3"}}});
+
+        REQUIRE(fspecs.size() == SPEC_SIZE);
+
+        std::array<const char*, SPEC_SIZE> features = {"", "0", "1", "", "2", "3"};
+        std::array<PackageSpec*, SPEC_SIZE> specs = {&a_spec, &a_spec, &a_spec, &b_spec, &b_spec, &b_spec};
+
+        for (std::size_t i = 0; i < SPEC_SIZE; ++i)
+        {
+            REQUIRE(features.at(i) == fspecs.at(i).feature());
+            REQUIRE(*specs.at(i) == fspecs.at(i).spec());
+        }
+    }
+}
+
+TEST_CASE ("specifier parsing", "[specifier]")
+{
+    SECTION ("parsed specifier from string")
+    {
+        auto maybe_spec = vcpkg::ParsedSpecifier::from_string("zlib");
+        REQUIRE(maybe_spec.error() == vcpkg::PackageSpecParseResult::SUCCESS);
+
+        auto& spec = *maybe_spec.get();
+        REQUIRE(spec.name == "zlib");
+        REQUIRE(spec.features.size() == 0);
+        REQUIRE(spec.triplet == "");
+    }
+
+    SECTION ("parsed specifier from string with triplet")
+    {
+        auto maybe_spec = vcpkg::ParsedSpecifier::from_string("zlib:x64-uwp");
+        REQUIRE(maybe_spec.error() == vcpkg::PackageSpecParseResult::SUCCESS);
+
+        auto& spec = *maybe_spec.get();
+        REQUIRE(spec.name == "zlib");
+        REQUIRE(spec.triplet == "x64-uwp");
+    }
+
+    SECTION ("parsed specifier from string with colons")
+    {
+        auto ec = vcpkg::ParsedSpecifier::from_string("zlib:x86-uwp:").error();
+        REQUIRE(ec == vcpkg::PackageSpecParseResult::TOO_MANY_COLONS);
+    }
+
+    SECTION ("parsed specifier from string with feature")
+    {
+        auto maybe_spec = vcpkg::ParsedSpecifier::from_string("zlib[feature]:x64-uwp");
+        REQUIRE(maybe_spec.error() == vcpkg::PackageSpecParseResult::SUCCESS);
+
+        auto& spec = *maybe_spec.get();
+        REQUIRE(spec.name == "zlib");
+        REQUIRE(spec.features.size() == 1);
+        REQUIRE(spec.features.at(0) == "feature");
+        REQUIRE(spec.triplet == "x64-uwp");
+    }
+
+    SECTION ("parsed specifier from string with many features")
+    {
+        auto maybe_spec = vcpkg::ParsedSpecifier::from_string("zlib[0, 1,2]");
+        REQUIRE(maybe_spec.error() == vcpkg::PackageSpecParseResult::SUCCESS);
+
+        auto& spec = *maybe_spec.get();
+        REQUIRE(spec.name == "zlib");
+        REQUIRE(spec.features.size() == 3);
+        REQUIRE(spec.features.at(0) == "0");
+        REQUIRE(spec.features.at(1) == "1");
+        REQUIRE(spec.features.at(2) == "2");
+        REQUIRE(spec.triplet == "");
+    }
+
+    SECTION ("parsed specifier wildcard feature")
+    {
+        auto maybe_spec = vcpkg::ParsedSpecifier::from_string("zlib[*]");
+        REQUIRE(maybe_spec.error() == vcpkg::PackageSpecParseResult::SUCCESS);
+
+        auto& spec = *maybe_spec.get();
+        REQUIRE(spec.name == "zlib");
+        REQUIRE(spec.features.size() == 1);
+        REQUIRE(spec.features.at(0) == "*");
+        REQUIRE(spec.triplet == "");
+    }
+
+    SECTION ("expand wildcards")
+    {
+        auto zlib = vcpkg::FullPackageSpec::from_string("zlib[0,1]", Triplet::X86_UWP).value_or_exit(VCPKG_LINE_INFO);
+        auto openssl =
+            vcpkg::FullPackageSpec::from_string("openssl[*]", Triplet::X86_UWP).value_or_exit(VCPKG_LINE_INFO);
+        auto specs = FullPackageSpec::to_feature_specs({zlib, openssl});
+        Util::sort(specs);
+        auto spectargets = FeatureSpec::from_strings_and_triplet(
+            {
+                "openssl",
+                "zlib",
+                "openssl[*]",
+                "zlib[0]",
+                "zlib[1]",
+            },
+            Triplet::X86_UWP);
+        Util::sort(spectargets);
+
+        REQUIRE(specs.size() == spectargets.size());
+        REQUIRE(Util::all_equal(specs, spectargets));
+    }
+
+#if defined(_WIN32)
+    SECTION ("ASCII to utf16")
+    {
+        auto str = vcpkg::Strings::to_utf16("abc");
+        REQUIRE(str == L"abc");
+    }
+
+    SECTION ("ASCII to utf16 with whitespace")
+    {
+        auto str = vcpkg::Strings::to_utf16("abc -x86-windows");
+        REQUIRE(str == L"abc -x86-windows");
+    }
+#endif
+};