1 files changed, 48 insertions, 0 deletions
diff --git a/gnu/llvm/lldb/unittests/Utility/EnvironmentTest.cpp b/gnu/llvm/lldb/unittests/Utility/EnvironmentTest.cpp
new file mode 100644
index 00000000000..7a16a294677
--- /dev/null
+++ b/gnu/llvm/lldb/unittests/Utility/EnvironmentTest.cpp
@@ -0,0 +1,48 @@
+//===-- EnvironmentTest.cpp -------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "gtest/gtest.h"
+
+#include "lldb/Utility/Environment.h"
+
+using namespace lldb_private;
+
+TEST(EnvironmentTest, EnvpConstruction) {
+  const char **Envp1 = nullptr;
+  EXPECT_EQ(0u, Environment(Envp1).size());
+
+  const char *Envp2[] = {"FOO=BAR", nullptr};
+  EXPECT_EQ("BAR", Environment(Envp2).lookup("FOO"));
+
+  const char *Envp3[] = {"FOO=BAR", "FOO=BAZ", nullptr};
+  EXPECT_EQ("BAR", Environment(Envp3).lookup("FOO"));
+
+  const char *Envp4[] = {"FOO=", "BAR", nullptr};
+  Environment Env4(Envp4);
+  ASSERT_EQ(2u, Env4.size());
+  EXPECT_EQ("", Environment(Envp4).find("FOO")->second);
+  EXPECT_EQ("", Environment(Envp4).find("BAR")->second);
+
+  const char *Envp5[] = {"FOO=BAR=BAZ", nullptr};
+  EXPECT_EQ("BAR=BAZ", Environment(Envp5).lookup("FOO"));
+}
+
+TEST(EnvironmentTest, EnvpConversion) {
+  std::string FOO_EQ_BAR("FOO=BAR");
+  std::string BAR_EQ_BAZ("BAR=BAZ");
+
+  Environment Env;
+  Env.insert(FOO_EQ_BAR);
+  Env.insert(BAR_EQ_BAZ);
+  Environment::Envp Envp = Env.getEnvp();
+  const char *const *Envp_ = Envp;
+
+  EXPECT_TRUE(FOO_EQ_BAR == Envp_[0] || FOO_EQ_BAR == Envp_[1]);
+  EXPECT_TRUE(BAR_EQ_BAZ == Envp_[0] || BAR_EQ_BAZ == Envp_[1]);
+  EXPECT_EQ(nullptr, Envp_[2]);
+}