#include "gtest/gtest.h"
#include "llvm/Constants.h"
#include <sstream>
using namespace llvm;
namespace {
TEST(MDStringTest, CreateDifferent) {
char x[3] = { 'f', 0, 'A' };
MDString *s1 = MDString::get(&x[0], &x[3]);
x[2] = 'B';
MDString *s2 = MDString::get(&x[0], &x[3]);
EXPECT_NE(s1, s2);
}
TEST(MDStringTest, CreateSame) {
char x[4] = { 'a', 'b', 'c', 'X' };
char y[4] = { 'a', 'b', 'c', 'Y' };
MDString *s1 = MDString::get(&x[0], &x[3]);
MDString *s2 = MDString::get(&y[0], &y[3]);
EXPECT_EQ(s1, s2);
}
TEST(MDStringTest, PrintingSimple) {
char *str = new char[13];
strncpy(str, "testing 1 2 3", 13);
MDString *s = MDString::get(str, str+13);
strncpy(str, "aaaaaaaaaaaaa", 13);
delete[] str;
std::ostringstream oss;
s->print(oss);
EXPECT_STREQ("{ } !\"testing 1 2 3\"", oss.str().c_str());
}
TEST(MDStringTest, PrintingComplex) {
char str[5] = {0, '\n', '"', '\\', -1};
MDString *s = MDString::get(str+0, str+5);
std::ostringstream oss;
s->print(oss);
EXPECT_STREQ("{ } !\"\\00\\0A\\22\\5C\\FF\"", oss.str().c_str());
}
TEST(MDNodeTest, Everything) {
char x[3] = { 'a', 'b', 'c' };
char y[3] = { '1', '2', '3' };
MDString *s1 = MDString::get(&x[0], &x[3]);
MDString *s2 = MDString::get(&y[0], &y[3]);
ConstantInt *CI = ConstantInt::get(APInt(8, 0));
std::vector<Constant *> V;
V.push_back(s1);
V.push_back(CI);
V.push_back(s2);
MDNode *n1 = MDNode::get(&V[0], 3);
Constant *const c1 = n1;
MDNode *n2 = MDNode::get(&c1, 1);
MDNode *n3 = MDNode::get(&V[0], 3);
EXPECT_NE(n1, n2);
EXPECT_EQ(n1, n3);
EXPECT_EQ(3u, n1->getNumOperands());
EXPECT_EQ(s1, n1->getOperand(0));
EXPECT_EQ(CI, n1->getOperand(1));
EXPECT_EQ(s2, n1->getOperand(2));
EXPECT_EQ(1u, n2->getNumOperands());
EXPECT_EQ(n1, n2->getOperand(0));
std::ostringstream oss1, oss2;
n1->print(oss1);
n2->print(oss2);
EXPECT_STREQ("{ } !{{ } !\"abc\", i8 0, { } !\"123\"}", oss1.str().c_str());
EXPECT_STREQ("{ } !{{ } !{{ } !\"abc\", i8 0, { } !\"123\"}}",
oss2.str().c_str());
}
}