1 //===- SequenceTest.cpp - Unit tests for a sequence abstraciton -----------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/ADT/Sequence.h" 11 #include "gtest/gtest.h" 12 13 #include <list> 14 15 using namespace llvm; 16 17 namespace { 18 19 TEST(SequenceTest, Basic) { 20 int x = 0; 21 for (int i : seq(0, 10)) 22 EXPECT_EQ(x++, i); 23 EXPECT_EQ(10, x); 24 25 auto my_seq = seq(0, 4); 26 EXPECT_EQ(4, my_seq.end() - my_seq.begin()); 27 for (int i : {0, 1, 2, 3}) 28 EXPECT_EQ(i, (int)my_seq.begin()[i]); 29 30 EXPECT_TRUE(my_seq.begin() < my_seq.end()); 31 32 auto adjusted_begin = my_seq.begin() + 2; 33 auto adjusted_end = my_seq.end() - 2; 34 EXPECT_TRUE(adjusted_begin == adjusted_end); 35 EXPECT_EQ(2, *adjusted_begin); 36 EXPECT_EQ(2, *adjusted_end); 37 } 38 39 } // anonymous namespace 40
