1 files changed, 135 insertions, 0 deletions
diff --git a/gnu/llvm/unittests/Support/SpecialCaseListTest.cpp b/gnu/llvm/unittests/Support/SpecialCaseListTest.cpp
new file mode 100644
index 00000000000..0657f8003e8
--- /dev/null
+++ b/gnu/llvm/unittests/Support/SpecialCaseListTest.cpp
@@ -0,0 +1,135 @@
+//===- SpecialCaseListTest.cpp - Unit tests for SpecialCaseList -----------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/SpecialCaseList.h"
+#include "gtest/gtest.h"
+
+using namespace llvm;
+
+namespace {
+
+class SpecialCaseListTest : public ::testing::Test {
+protected:
+  std::unique_ptr<SpecialCaseList> makeSpecialCaseList(StringRef List,
+                                                       std::string &Error) {
+    std::unique_ptr<MemoryBuffer> MB = MemoryBuffer::getMemBuffer(List);
+    return SpecialCaseList::create(MB.get(), Error);
+  }
+
+  std::unique_ptr<SpecialCaseList> makeSpecialCaseList(StringRef List) {
+    std::string Error;
+    auto SCL = makeSpecialCaseList(List, Error);
+    assert(SCL);
+    assert(Error == "");
+    return SCL;
+  }
+
+  std::string makeSpecialCaseListFile(StringRef Contents) {
+    int FD;
+    SmallString<64> Path;
+    sys::fs::createTemporaryFile("SpecialCaseListTest", "temp", FD, Path);
+    raw_fd_ostream OF(FD, true, true);
+    OF << Contents;
+    OF.close();
+    return Path.str();
+  }
+};
+
+TEST_F(SpecialCaseListTest, Basic) {
+  std::unique_ptr<SpecialCaseList> SCL =
+      makeSpecialCaseList("# This is a comment.\n"
+                          "\n"
+                          "src:hello\n"
+                          "src:bye\n"
+                          "src:hi=category\n"
+                          "src:z*=category\n");
+  EXPECT_TRUE(SCL->inSection("src", "hello"));
+  EXPECT_TRUE(SCL->inSection("src", "bye"));
+  EXPECT_TRUE(SCL->inSection("src", "hi", "category"));
+  EXPECT_TRUE(SCL->inSection("src", "zzzz", "category"));
+  EXPECT_FALSE(SCL->inSection("src", "hi"));
+  EXPECT_FALSE(SCL->inSection("fun", "hello"));
+  EXPECT_FALSE(SCL->inSection("src", "hello", "category"));
+}
+
+TEST_F(SpecialCaseListTest, GlobalInit) {
+  std::unique_ptr<SpecialCaseList> SCL =
+      makeSpecialCaseList("global:foo=init\n");
+  EXPECT_FALSE(SCL->inSection("global", "foo"));
+  EXPECT_FALSE(SCL->inSection("global", "bar"));
+  EXPECT_TRUE(SCL->inSection("global", "foo", "init"));
+  EXPECT_FALSE(SCL->inSection("global", "bar", "init"));
+
+  SCL = makeSpecialCaseList("type:t2=init\n");
+  EXPECT_FALSE(SCL->inSection("type", "t1"));
+  EXPECT_FALSE(SCL->inSection("type", "t2"));
+  EXPECT_FALSE(SCL->inSection("type", "t1", "init"));
+  EXPECT_TRUE(SCL->inSection("type", "t2", "init"));
+
+  SCL = makeSpecialCaseList("src:hello=init\n");
+  EXPECT_FALSE(SCL->inSection("src", "hello"));
+  EXPECT_FALSE(SCL->inSection("src", "bye"));
+  EXPECT_TRUE(SCL->inSection("src", "hello", "init"));
+  EXPECT_FALSE(SCL->inSection("src", "bye", "init"));
+}
+
+TEST_F(SpecialCaseListTest, Substring) {
+  std::unique_ptr<SpecialCaseList> SCL = makeSpecialCaseList("src:hello\n"
+                                                             "fun:foo\n"
+                                                             "global:bar\n");
+  EXPECT_FALSE(SCL->inSection("src", "othello"));
+  EXPECT_FALSE(SCL->inSection("fun", "tomfoolery"));
+  EXPECT_FALSE(SCL->inSection("global", "bartender"));
+
+  SCL = makeSpecialCaseList("fun:*foo*\n");
+  EXPECT_TRUE(SCL->inSection("fun", "tomfoolery"));
+  EXPECT_TRUE(SCL->inSection("fun", "foobar"));
+}
+
+TEST_F(SpecialCaseListTest, InvalidSpecialCaseList) {
+  std::string Error;
+  EXPECT_EQ(nullptr, makeSpecialCaseList("badline", Error));
+  EXPECT_EQ("malformed line 1: 'badline'", Error);
+  EXPECT_EQ(nullptr, makeSpecialCaseList("src:bad[a-", Error));
+  EXPECT_EQ("malformed regex in line 1: 'bad[a-': invalid character range",
+            Error);
+  EXPECT_EQ(nullptr, makeSpecialCaseList("src:a.c\n"
+                                   "fun:fun(a\n",
+                                   Error));
+  EXPECT_EQ("malformed regex in line 2: 'fun(a': parentheses not balanced",
+            Error);
+  std::vector<std::string> Files(1, "unexisting");
+  EXPECT_EQ(nullptr, SpecialCaseList::create(Files, Error));
+  EXPECT_EQ(0U, Error.find("can't open file 'unexisting':"));
+}
+
+TEST_F(SpecialCaseListTest, EmptySpecialCaseList) {
+  std::unique_ptr<SpecialCaseList> SCL = makeSpecialCaseList("");
+  EXPECT_FALSE(SCL->inSection("foo", "bar"));
+}
+
+TEST_F(SpecialCaseListTest, MultipleBlacklists) {
+  std::vector<std::string> Files;
+  Files.push_back(makeSpecialCaseListFile("src:bar\n"
+                                          "src:*foo*\n"
+                                          "src:ban=init\n"));
+  Files.push_back(makeSpecialCaseListFile("src:baz\n"
+                                          "src:*fog*\n"));
+  auto SCL = SpecialCaseList::createOrDie(Files);
+  EXPECT_TRUE(SCL->inSection("src", "bar"));
+  EXPECT_TRUE(SCL->inSection("src", "baz"));
+  EXPECT_FALSE(SCL->inSection("src", "ban"));
+  EXPECT_TRUE(SCL->inSection("src", "ban", "init"));
+  EXPECT_TRUE(SCL->inSection("src", "tomfoolery"));
+  EXPECT_TRUE(SCL->inSection("src", "tomfoglery"));
+}
+
+}