Function TEST

test/opt/utils_test.cpp:25–31

namespace {

TEST(JoinAllInsts, Cases) {
  EXPECT_EQ("", JoinAllInsts({}));
  EXPECT_EQ("a\n", JoinAllInsts({"a"}));
  EXPECT_EQ("a\nb\n", JoinAllInsts({"a", "b"}));
  EXPECT_EQ("a\nb\nc\n", JoinAllInsts({"a", "b", "c"}));
  EXPECT_EQ("hello,\nworld!\n\n\n", JoinAllInsts({"hello,", "world!", "\n"}));
}

TEST(JoinNonDebugInsts, Cases) {
  EXPECT_EQ("", JoinNonDebugInsts({}));