1 files changed, 141 insertions, 0 deletions
diff --git a/Tests/CMakeLib/testCTestResourceGroups.cxx b/Tests/CMakeLib/testCTestResourceGroups.cxx
new file mode 100644
index 0000000000..c3532a68d7
--- /dev/null
+++ b/Tests/CMakeLib/testCTestResourceGroups.cxx
@@ -0,0 +1,141 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+#include "cmCTestTestHandler.h"
+
+struct ExpectedParseResult
+{
+  std::string String;
+  bool ExpectedReturnValue;
+  std::vector<std::vector<cmCTestTestHandler::cmCTestTestResourceRequirement>>
+    ExpectedValue;
+};
+
+static const std::vector<ExpectedParseResult> expectedResults{
+  /* clang-format off */
+  { "threads:2", true, {
+    { { "threads", 2, 1 } },
+  } },
+  { "3,threads:2", true, {
+    { { "threads", 2, 1 } },
+    { { "threads", 2, 1 } },
+    { { "threads", 2, 1 } },
+  } },
+  { "3,threads:2,gpus:4", true, {
+    { { "threads", 2, 1 }, { "gpus", 4, 1 } },
+    { { "threads", 2, 1 }, { "gpus", 4, 1 } },
+    { { "threads", 2, 1 }, { "gpus", 4, 1 } },
+  } },
+  { "2,threads:2;gpus:4", true, {
+    { { "threads", 2, 1 } },
+    { { "threads", 2, 1 } },
+    { { "gpus", 4, 1 } },
+  } },
+  { "threads:2;2,gpus:4", true, {
+    { { "threads", 2, 1 } },
+    { { "gpus", 4, 1 } },
+    { { "gpus", 4, 1 } },
+  } },
+  { "threads:2;gpus:4", true, {
+    { { "threads", 2, 1 } },
+    { { "gpus", 4, 1 } },
+  } },
+  { "1,threads:2;0,gpus:4", true, {
+    { { "threads", 2, 1 } },
+  } },
+  { "1,_:1", true, {
+    { { "_", 1, 1 } },
+  } },
+  { "1,a:1", true, {
+    { { "a", 1, 1 } },
+  } },
+  { "2", true, {
+    {},
+    {},
+  } },
+  { "1;2,threads:1", true, {
+    {},
+    { { "threads", 1, 1 } },
+    { { "threads", 1, 1 } },
+  } },
+  { "1,,threads:1", true, {
+    { { "threads", 1, 1 } },
+  } },
+  { ";1,threads:1", true, {
+    { { "threads", 1, 1 } },
+  } },
+  { "1,threads:1;", true, {
+    { { "threads", 1, 1 } },
+  } },
+  { "1,threads:1,", true, {
+    { { "threads", 1, 1 } },
+  } },
+  { "threads:1,threads:1", true, {
+    { { "threads", 1, 1 }, { "threads", 1, 1 } },
+  } },
+  { "threads:1;;threads:2", true, {
+    { { "threads", 1, 1 } },
+    { { "threads", 2, 1 } },
+  } },
+  { "1,", true, {
+    {},
+  } },
+  { ";", true, {} },
+  { "", true, {} },
+  { ",", false, {} },
+  { "1,0:1", false, {} },
+  { "1,A:1", false, {} },
+  { "1,a-b:1", false, {} },
+  { "invalid", false, {} },
+  { ",1,invalid:1", false, {} },
+  { "1,1", false, {} },
+  { "-1,invalid:1", false, {} },
+  { "1,invalid:*", false, {} },
+  { "1,invalid:-1", false, {} },
+  { "1,invalid:-", false, {} },
+  { "1,invalid:ab2", false, {} },
+  { "1,invalid :2", false, {} },
+  { "1, invalid:2", false, {} },
+  { "1,invalid:ab", false, {} },
+  /* clang-format on */
+};
+
+bool TestExpectedParseResult(const ExpectedParseResult& expected)
+{
+  std::vector<std::vector<cmCTestTestHandler::cmCTestTestResourceRequirement>>
+    result;
+  bool retval;
+  if ((retval = cmCTestTestHandler::ParseResourceGroupsProperty(
+         expected.String, result)) != expected.ExpectedReturnValue) {
+    std::cout << "ParseResourceGroupsProperty(\"" << expected.String
+              << "\") returned " << retval << ", should be "
+              << expected.ExpectedReturnValue << std::endl;
+    return false;
+  }
+
+  if (result != expected.ExpectedValue) {
+    std::cout << "ParseResourceGroupsProperty(\"" << expected.String
+              << "\") did not yield expected set of resource groups"
+              << std::endl;
+    return false;
+  }
+
+  return true;
+}
+
+int testCTestResourceGroups(int /*unused*/, char* /*unused*/ [])
+{
+  int retval = 0;
+
+  for (auto const& expected : expectedResults) {
+    if (!TestExpectedParseResult(expected)) {
+      retval = 1;
+    }
+  }
+
+  return retval;
+}