Mercurial > hg > CbC > CbC_llvm

annotate unittests/Support/ProcessTest.cpp @ 146:3fc4d5c3e21e

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set tail call flag for code segment in CGCAll
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 19:23:36 +0900
parents 803732b1fca8
children c2174574ed3a
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1 //===- unittest/Support/ProcessTest.cpp -----------------------------------===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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10 #include "llvm/Support/Process.h"
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11 #include "gtest/gtest.h"
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12
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13 #ifdef LLVM_ON_WIN32
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14 #include <windows.h>
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15 #endif
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16
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17 namespace {
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18
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19 using namespace llvm;
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20 using namespace sys;
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21
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22 TEST(ProcessTest, GetRandomNumberTest) {
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23 const unsigned r1 = Process::GetRandomNumber();
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24 const unsigned r2 = Process::GetRandomNumber();
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25 // It should be extremely unlikely that both r1 and r2 are 0.
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26 EXPECT_NE((r1 | r2), 0u);
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27 }
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28
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29 #ifdef _MSC_VER
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30 #define setenv(name, var, ignore) _putenv_s(name, var)
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31 #endif
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32
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33 #if HAVE_SETENV || _MSC_VER
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34 TEST(ProcessTest, Basic) {
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35 setenv("__LLVM_TEST_ENVIRON_VAR__", "abc", true);
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36 Optional<std::string> val(Process::GetEnv("__LLVM_TEST_ENVIRON_VAR__"));
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37 EXPECT_TRUE(val.hasValue());
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38 EXPECT_STREQ("abc", val->c_str());
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39 }
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40
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41 TEST(ProcessTest, None) {
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42 Optional<std::string> val(
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43 Process::GetEnv("__LLVM_TEST_ENVIRON_NO_SUCH_VAR__"));
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44 EXPECT_FALSE(val.hasValue());
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45 }
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46 #endif
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47
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48 #ifdef LLVM_ON_WIN32
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49
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50 TEST(ProcessTest, EmptyVal) {
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51 SetEnvironmentVariableA("__LLVM_TEST_ENVIRON_VAR__", "");
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52 Optional<std::string> val(Process::GetEnv("__LLVM_TEST_ENVIRON_VAR__"));
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53 EXPECT_TRUE(val.hasValue());
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54 EXPECT_STREQ("", val->c_str());
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55 }
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56
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57 TEST(ProcessTest, Wchar) {
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58 SetEnvironmentVariableW(L"__LLVM_TEST_ENVIRON_VAR__", L"abcdefghijklmnopqrs");
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59 Optional<std::string> val(Process::GetEnv("__LLVM_TEST_ENVIRON_VAR__"));
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60 EXPECT_TRUE(val.hasValue());
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61 EXPECT_STREQ("abcdefghijklmnopqrs", val->c_str());
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62 }
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63 #endif
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64
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65 } // end anonymous namespace