Revert D4832473: [Folly] Disable EnvUtil::setAsCurrentEnvironment() on platforms...

[folly.git] / folly / test / RangeTest.cpp

diff --git a/folly/test/RangeTest.cpp b/folly/test/RangeTest.cpp
index cf577f9fa610e80864e83bb270d4cd6d13408208..8f333403a174fe2832d12446cb5bc25bae62b5f6 100644 (file)
--- a/folly/test/RangeTest.cpp
+++ b/folly/test/RangeTest.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Facebook, Inc.
+ * Copyright 2017 Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -315,6 +315,15 @@ TEST(StringPiece, Prefix) {
   EXPECT_FALSE(a.startsWith('x'));
   EXPECT_FALSE(a.startsWith("x"));
 
+  EXPECT_TRUE(a.startsWith("", folly::AsciiCaseInsensitive()));
+  EXPECT_TRUE(a.startsWith("hello", folly::AsciiCaseInsensitive()));
+  EXPECT_TRUE(a.startsWith("hellO", folly::AsciiCaseInsensitive()));
+  EXPECT_TRUE(a.startsWith("HELL", folly::AsciiCaseInsensitive()));
+  EXPECT_TRUE(a.startsWith("H", folly::AsciiCaseInsensitive()));
+  EXPECT_FALSE(a.startsWith("HELLOX", folly::AsciiCaseInsensitive()));
+  EXPECT_FALSE(a.startsWith("x", folly::AsciiCaseInsensitive()));
+  EXPECT_FALSE(a.startsWith("X", folly::AsciiCaseInsensitive()));
+
   {
     auto b = a;
     EXPECT_TRUE(b.removePrefix(""));
@@ -362,6 +371,16 @@ TEST(StringPiece, Suffix) {
   EXPECT_FALSE(a.endsWith("x"));
   EXPECT_FALSE(a.endsWith('x'));
 
+  EXPECT_TRUE(a.endsWith("", folly::AsciiCaseInsensitive()));
+  EXPECT_TRUE(a.endsWith("o", folly::AsciiCaseInsensitive()));
+  EXPECT_TRUE(a.endsWith("O", folly::AsciiCaseInsensitive()));
+  EXPECT_TRUE(a.endsWith("hello", folly::AsciiCaseInsensitive()));
+  EXPECT_TRUE(a.endsWith("hellO", folly::AsciiCaseInsensitive()));
+  EXPECT_FALSE(a.endsWith("xhello", folly::AsciiCaseInsensitive()));
+  EXPECT_FALSE(a.endsWith("Xhello", folly::AsciiCaseInsensitive()));
+  EXPECT_FALSE(a.endsWith("x", folly::AsciiCaseInsensitive()));
+  EXPECT_FALSE(a.endsWith("X", folly::AsciiCaseInsensitive()));
+
   {
     auto b = a;
     EXPECT_TRUE(b.removeSuffix(""));
@@ -1093,14 +1112,10 @@ TEST(RangeFunc, Array) {
   testRangeFunc(x, 3);
 }
 
-// MSVC doesn't like it when you try to std::move C arrays:
-// https://developercommunity.visualstudio.com/content/problem/2441/
-#ifndef _MSC_VER
 TEST(RangeFunc, CArray) {
   int x[] {1, 2, 3, 4};
   testRangeFunc(x, 4);
 }
-#endif
 
 TEST(RangeFunc, ConstexprCArray) {
   static constexpr const int numArray[4] = {3, 17, 1, 9};
@@ -1114,15 +1129,8 @@ TEST(RangeFunc, ConstexprStdArray) {
   static constexpr const std::array<int, 4> numArray = {{3, 17, 1, 9}};
   constexpr const auto numArrayRange = range(numArray);
   EXPECT_EQ(17, numArrayRange[1]);
-  // MSVC 2017 RC and earlier have an issue that causes the beginning and
-  // end of numArrayRange to point to different copies of numArray, causing
-  // this attempt to calculate the size to error at compile time because
-  // they don't point to parts of the same array :(
-  // https://developercommunity.visualstudio.com/content/problem/3216/
-#if !defined(_MSC_VER) || _MSC_VER > 191024629
   constexpr const auto numArrayRangeSize = numArrayRange.size();
   EXPECT_EQ(4, numArrayRangeSize);
-#endif
 }
 
 TEST(RangeFunc, ConstexprStdArrayZero) {
@@ -1297,3 +1305,49 @@ TEST(Range, Constructors) {
   EXPECT_EQ(subpiece1.begin(), subpiece2.begin());
   EXPECT_EQ(subpiece1.end(), subpiece2.end());
 }
+
+TEST(Range, ArrayConstructors) {
+  auto charArray = std::array<char, 4>{{'t', 'e', 's', 't'}};
+  auto constCharArray = std::array<char, 6>{{'f', 'o', 'o', 'b', 'a', 'r'}};
+  auto emptyArray = std::array<char, 0>{};
+
+  auto sp1 = StringPiece{charArray};
+  EXPECT_EQ(4, sp1.size());
+  EXPECT_EQ(charArray.data(), sp1.data());
+
+  auto sp2 = StringPiece(constCharArray);
+  EXPECT_EQ(6, sp2.size());
+  EXPECT_EQ(constCharArray.data(), sp2.data());
+
+  auto msp = MutableStringPiece(charArray);
+  EXPECT_EQ(4, msp.size());
+  EXPECT_EQ(charArray.data(), msp.data());
+
+  auto esp = StringPiece(emptyArray);
+  EXPECT_EQ(0, esp.size());
+  EXPECT_EQ(nullptr, esp.data());
+
+  auto emsp = MutableStringPiece(emptyArray);
+  EXPECT_EQ(0, emsp.size());
+  EXPECT_EQ(nullptr, emsp.data());
+
+  static constexpr std::array<int, 4> numArray = {{3, 17, 1, 9}};
+  constexpr auto numRange = Range<const int*>{numArray};
+  EXPECT_EQ(17, numRange[1]);
+
+  static constexpr std::array<int, 0> emptyNumArray{};
+  constexpr auto emptyNumRange = Range<const int*>{emptyNumArray};
+  EXPECT_EQ(0, emptyNumRange.size());
+}
+
+TEST(Range, ConstexprAccessors) {
+  constexpr StringPiece piece = range("hello");
+  static_assert(piece.size() == 6u, "");
+  static_assert(piece.end() - piece.begin() == 6u, "");
+  static_assert(piece.data() == piece.begin(), "");
+  static_assert(piece.start() == piece.begin(), "");
+  static_assert(piece.cbegin() == piece.begin(), "");
+  static_assert(piece.cend() == piece.end(), "");
+  static_assert(*piece.begin() == 'h', "");
+  static_assert(*(piece.end() - 1) == '\0', "");
+}