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-rw-r--r--unittests/Support/CMakeLists.txt2
-rw-r--r--unittests/Support/CommandLineTest.cpp52
-rw-r--r--unittests/Support/CompressionTest.cpp68
-rw-r--r--unittests/Support/Path.cpp12
-rw-r--r--unittests/Support/ProgramTest.cpp89
5 files changed, 221 insertions, 2 deletions
diff --git a/unittests/Support/CMakeLists.txt b/unittests/Support/CMakeLists.txt
index b4b982f..e6cafbc 100644
--- a/unittests/Support/CMakeLists.txt
+++ b/unittests/Support/CMakeLists.txt
@@ -10,6 +10,7 @@ add_llvm_unittest(SupportTests
BlockFrequencyTest.cpp
Casting.cpp
CommandLineTest.cpp
+ CompressionTest.cpp
ConstantRangeTest.cpp
DataExtractorTest.cpp
EndianTest.cpp
@@ -23,6 +24,7 @@ add_llvm_unittest(SupportTests
MemoryTest.cpp
Path.cpp
ProcessTest.cpp
+ ProgramTest.cpp
RegexTest.cpp
SwapByteOrderTest.cpp
TimeValue.cpp
diff --git a/unittests/Support/CommandLineTest.cpp b/unittests/Support/CommandLineTest.cpp
index 43c8cbd..cd235d2 100644
--- a/unittests/Support/CommandLineTest.cpp
+++ b/unittests/Support/CommandLineTest.cpp
@@ -41,6 +41,45 @@ class TempEnvVar {
const char *const name;
};
+cl::OptionCategory TestCategory("Test Options", "Description");
+cl::opt<int> TestOption("test-option", cl::desc("old description"));
+TEST(CommandLineTest, ModifyExisitingOption) {
+ const char Description[] = "New description";
+ const char ArgString[] = "new-test-option";
+ const char ValueString[] = "Integer";
+
+ StringMap<cl::Option*> Map;
+ cl::getRegisteredOptions(Map);
+
+ ASSERT_TRUE(Map.count("test-option") == 1) <<
+ "Could not find option in map.";
+
+ cl::Option *Retrieved = Map["test-option"];
+ ASSERT_EQ(&TestOption, Retrieved) << "Retrieved wrong option.";
+
+ ASSERT_EQ(&cl::GeneralCategory,Retrieved->Category) <<
+ "Incorrect default option category.";
+
+ Retrieved->setCategory(TestCategory);
+ ASSERT_EQ(&TestCategory,Retrieved->Category) <<
+ "Failed to modify option's option category.";
+
+ Retrieved->setDescription(Description);
+ ASSERT_STREQ(Retrieved->HelpStr, Description) <<
+ "Changing option description failed.";
+
+ Retrieved->setArgStr(ArgString);
+ ASSERT_STREQ(ArgString, Retrieved->ArgStr) <<
+ "Failed to modify option's Argument string.";
+
+ Retrieved->setValueStr(ValueString);
+ ASSERT_STREQ(Retrieved->ValueStr, ValueString) <<
+ "Failed to modify option's Value string.";
+
+ Retrieved->setHiddenFlag(cl::Hidden);
+ ASSERT_EQ(cl::Hidden, TestOption.getOptionHiddenFlag()) <<
+ "Failed to modify option's hidden flag.";
+}
#ifndef SKIP_ENVIRONMENT_TESTS
const char test_env_var[] = "LLVM_TEST_COMMAND_LINE_FLAGS";
@@ -55,6 +94,12 @@ TEST(CommandLineTest, ParseEnvironment) {
// This test used to make valgrind complain
// ("Conditional jump or move depends on uninitialised value(s)")
+//
+// Warning: Do not run any tests after this one that try to gain access to
+// registered command line options because this will likely result in a
+// SEGFAULT. This can occur because the cl::opt in the test below is declared
+// on the stack which will be destroyed after the test completes but the
+// command line system will still hold a pointer to a deallocated cl::Option.
TEST(CommandLineTest, ParseEnvironmentToLocalVar) {
// Put cl::opt on stack to check for proper initialization of fields.
cl::opt<std::string> EnvironmentTestOptionLocal("env-test-opt-local");
@@ -66,4 +111,11 @@ TEST(CommandLineTest, ParseEnvironmentToLocalVar) {
#endif // SKIP_ENVIRONMENT_TESTS
+TEST(CommandLineTest, UseOptionCategory) {
+ cl::opt<int> TestOption2("test-option", cl::cat(TestCategory));
+
+ ASSERT_EQ(&TestCategory,TestOption2.Category) << "Failed to assign Option "
+ "Category.";
+}
+
} // anonymous namespace
diff --git a/unittests/Support/CompressionTest.cpp b/unittests/Support/CompressionTest.cpp
new file mode 100644
index 0000000..c8e2cd9
--- /dev/null
+++ b/unittests/Support/CompressionTest.cpp
@@ -0,0 +1,68 @@
+//===- llvm/unittest/Support/CompressionTest.cpp - Compression tests ------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements unit tests for the Compression functions.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/Compression.h"
+#include "llvm/ADT/OwningPtr.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Config/config.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "gtest/gtest.h"
+
+using namespace llvm;
+
+namespace {
+
+#if LLVM_ENABLE_ZLIB == 1 && HAVE_LIBZ
+
+void TestZlibCompression(StringRef Input, zlib::CompressionLevel Level) {
+ OwningPtr<MemoryBuffer> Compressed;
+ OwningPtr<MemoryBuffer> Uncompressed;
+ EXPECT_EQ(zlib::StatusOK, zlib::compress(Input, Compressed, Level));
+ // Check that uncompressed buffer is the same as original.
+ EXPECT_EQ(zlib::StatusOK, zlib::uncompress(Compressed->getBuffer(),
+ Uncompressed, Input.size()));
+ EXPECT_EQ(Input.size(), Uncompressed->getBufferSize());
+ EXPECT_EQ(0,
+ memcmp(Input.data(), Uncompressed->getBufferStart(), Input.size()));
+ if (Input.size() > 0) {
+ // Uncompression fails if expected length is too short.
+ EXPECT_EQ(zlib::StatusBufferTooShort,
+ zlib::uncompress(Compressed->getBuffer(), Uncompressed,
+ Input.size() - 1));
+ }
+}
+
+TEST(CompressionTest, Zlib) {
+ TestZlibCompression("", zlib::DefaultCompression);
+
+ TestZlibCompression("hello, world!", zlib::NoCompression);
+ TestZlibCompression("hello, world!", zlib::BestSizeCompression);
+ TestZlibCompression("hello, world!", zlib::BestSpeedCompression);
+ TestZlibCompression("hello, world!", zlib::DefaultCompression);
+
+ const size_t kSize = 1024;
+ char BinaryData[kSize];
+ for (size_t i = 0; i < kSize; ++i) {
+ BinaryData[i] = i & 255;
+ }
+ StringRef BinaryDataStr(BinaryData, kSize);
+
+ TestZlibCompression(BinaryDataStr, zlib::NoCompression);
+ TestZlibCompression(BinaryDataStr, zlib::BestSizeCompression);
+ TestZlibCompression(BinaryDataStr, zlib::BestSpeedCompression);
+ TestZlibCompression(BinaryDataStr, zlib::DefaultCompression);
+}
+
+#endif
+
+}
diff --git a/unittests/Support/Path.cpp b/unittests/Support/Path.cpp
index 4511259..eec8c62 100644
--- a/unittests/Support/Path.cpp
+++ b/unittests/Support/Path.cpp
@@ -298,12 +298,19 @@ TEST_F(FileSystemTest, DirectoryIteration) {
ASSERT_LT(z0, za1);
}
+const char elf[] = {0x7f, 'E', 'L', 'F', 1, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1};
+
TEST_F(FileSystemTest, Magic) {
struct type {
const char *filename;
const char *magic_str;
- size_t magic_str_len;
- } types [] = {{"magic.archive", "!<arch>\x0A", 8}};
+ size_t magic_str_len;
+ fs::file_magic magic;
+ } types [] = {
+ {"magic.archive", "!<arch>\x0A", 8, fs::file_magic::archive},
+ {"magic.elf", elf, sizeof(elf),
+ fs::file_magic::elf_relocatable}
+ };
// Create some files filled with magic.
for (type *i = types, *e = types + (sizeof(types) / sizeof(type)); i != e;
@@ -320,6 +327,7 @@ TEST_F(FileSystemTest, Magic) {
bool res = false;
ASSERT_NO_ERROR(fs::has_magic(file_pathname.c_str(), magic, res));
EXPECT_TRUE(res);
+ EXPECT_EQ(i->magic, fs::identify_magic(magic));
}
}
diff --git a/unittests/Support/ProgramTest.cpp b/unittests/Support/ProgramTest.cpp
new file mode 100644
index 0000000..6cbb054
--- /dev/null
+++ b/unittests/Support/ProgramTest.cpp
@@ -0,0 +1,89 @@
+//===- unittest/Support/ProgramTest.cpp -----------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/Program.h"
+#include "gtest/gtest.h"
+
+#include <stdlib.h>
+#if defined(__APPLE__)
+# include <crt_externs.h>
+#elif !defined(_MSC_VER)
+// Forward declare environ in case it's not provided by stdlib.h.
+extern char **environ;
+#endif
+
+// From TestMain.cpp.
+extern const char *TestMainArgv0;
+
+namespace {
+
+using namespace llvm;
+using namespace sys;
+
+static cl::opt<std::string>
+ProgramTestStringArg1("program-test-string-arg1");
+static cl::opt<std::string>
+ProgramTestStringArg2("program-test-string-arg2");
+
+static void CopyEnvironment(std::vector<const char *> &out) {
+#ifdef __APPLE__
+ char **envp = *_NSGetEnviron();
+#else
+ // environ seems to work for Windows and most other Unices.
+ char **envp = environ;
+#endif
+ while (*envp != 0) {
+ out.push_back(*envp);
+ ++envp;
+ }
+}
+
+TEST(ProgramTest, CreateProcessTrailingSlash) {
+ if (getenv("LLVM_PROGRAM_TEST_CHILD")) {
+ if (ProgramTestStringArg1 == "has\\\\ trailing\\" &&
+ ProgramTestStringArg2 == "has\\\\ trailing\\") {
+ exit(0); // Success! The arguments were passed and parsed.
+ }
+ exit(1);
+ }
+
+ Path my_exe = Path::GetMainExecutable(TestMainArgv0, &ProgramTestStringArg1);
+ const char *argv[] = {
+ my_exe.c_str(),
+ "--gtest_filter=ProgramTest.CreateProcessTrailingSlashChild",
+ "-program-test-string-arg1", "has\\\\ trailing\\",
+ "-program-test-string-arg2", "has\\\\ trailing\\",
+ 0
+ };
+
+ // Add LLVM_PROGRAM_TEST_CHILD to the environment of the child.
+ std::vector<const char *> envp;
+ CopyEnvironment(envp);
+ envp.push_back("LLVM_PROGRAM_TEST_CHILD=1");
+ envp.push_back(0);
+
+ std::string error;
+ bool ExecutionFailed;
+ // Redirect stdout and stdin to NUL, but let stderr through.
+#ifdef LLVM_ON_WIN32
+ Path nul("NUL");
+#else
+ Path nul("/dev/null");
+#endif
+ const Path *redirects[] = { &nul, &nul, 0 };
+ int rc = Program::ExecuteAndWait(my_exe, argv, &envp[0], redirects,
+ /*secondsToWait=*/10, /*memoryLimit=*/0,
+ &error, &ExecutionFailed);
+ EXPECT_FALSE(ExecutionFailed) << error;
+ EXPECT_EQ(0, rc);
+}
+
+} // end anonymous namespace
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