Modify ParseArgs to return the InputArgList by value - there's no need for dynamic...

[oota-llvm.git] / unittests / Option / OptionParsingTest.cpp

diff --git a/unittests/Option/OptionParsingTest.cpp b/unittests/Option/OptionParsingTest.cpp
index 76e2549c56022efe72dc806a717276d5ec6ac55d..55cf8a95f35e7712a66a67afc139b11286f3656c 100644 (file)
--- a/unittests/Option/OptionParsingTest.cpp
+++ b/unittests/Option/OptionParsingTest.cpp
@@ -7,6 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/ADT/STLExtras.h"
 #include "llvm/Option/Arg.h"
 #include "llvm/Option/ArgList.h"
 #include "llvm/Option/Option.h"
@@ -17,8 +18,8 @@ using namespace llvm::opt;
 
 enum ID {
   OPT_INVALID = 0, // This is not an option ID.
-#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, FLAGS, PARAM, \
-              HELPTEXT, METAVAR) OPT_##ID,
+#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
+               HELPTEXT, METAVAR) OPT_##ID,
 #include "Opts.inc"
   LastOption
 #undef OPTION
@@ -28,11 +29,17 @@ enum ID {
 #include "Opts.inc"
 #undef PREFIX
 
+enum OptionFlags {
+  OptFlag1 = (1 << 4),
+  OptFlag2 = (1 << 5),
+  OptFlag3 = (1 << 6)
+};
+
 static const OptTable::Info InfoTable[] = {
-#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, FLAGS, PARAM, \
+#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
                HELPTEXT, METAVAR)   \
   { PREFIX, NAME, HELPTEXT, METAVAR, OPT_##ID, Option::KIND##Class, PARAM, \
-    FLAGS, OPT_##GROUP, OPT_##ALIAS },
+    FLAGS, OPT_##GROUP, OPT_##ALIAS, ALIASARGS },
 #include "Opts.inc"
 #undef OPTION
 };
@@ -40,8 +47,8 @@ static const OptTable::Info InfoTable[] = {
 namespace {
 class TestOptTable : public OptTable {
 public:
-  TestOptTable()
-    : OptTable(InfoTable, sizeof(InfoTable) / sizeof(InfoTable[0])) {}
+  TestOptTable(bool IgnoreCase = false)
+    : OptTable(InfoTable, array_lengthof(InfoTable), IgnoreCase) {}
 };
 }
 
@@ -57,29 +64,29 @@ const char *Args[] = {
   "-Gchuu", "2"
   };
 
-TEST(Support, OptionParsing) {
+TEST(Option, OptionParsing) {
   TestOptTable T;
   unsigned MAI, MAC;
-  InputArgList *AL = T.ParseArgs(Args, Args + (sizeof(Args) / sizeof(Args[0])), MAI, MAC);
-  
+  InputArgList AL = T.ParseArgs(Args, MAI, MAC);
+
   // Check they all exist.
-  EXPECT_TRUE(AL->hasArg(OPT_A));
-  EXPECT_TRUE(AL->hasArg(OPT_B));
-  EXPECT_TRUE(AL->hasArg(OPT_C));
-  EXPECT_TRUE(AL->hasArg(OPT_D));
-  EXPECT_TRUE(AL->hasArg(OPT_E));
-  EXPECT_TRUE(AL->hasArg(OPT_F));
-  EXPECT_TRUE(AL->hasArg(OPT_G));
+  EXPECT_TRUE(AL.hasArg(OPT_A));
+  EXPECT_TRUE(AL.hasArg(OPT_B));
+  EXPECT_TRUE(AL.hasArg(OPT_C));
+  EXPECT_TRUE(AL.hasArg(OPT_D));
+  EXPECT_TRUE(AL.hasArg(OPT_E));
+  EXPECT_TRUE(AL.hasArg(OPT_F));
+  EXPECT_TRUE(AL.hasArg(OPT_G));
 
   // Check the values.
-  EXPECT_EQ(AL->getLastArgValue(OPT_B), "hi");
-  EXPECT_EQ(AL->getLastArgValue(OPT_C), "bye");
-  EXPECT_EQ(AL->getLastArgValue(OPT_D), "adena");
-  std::vector<std::string> Es = AL->getAllArgValues(OPT_E);
+  EXPECT_EQ(AL.getLastArgValue(OPT_B), "hi");
+  EXPECT_EQ(AL.getLastArgValue(OPT_C), "bye");
+  EXPECT_EQ(AL.getLastArgValue(OPT_D), "adena");
+  std::vector<std::string> Es = AL.getAllArgValues(OPT_E);
   EXPECT_EQ(Es[0], "apple");
   EXPECT_EQ(Es[1], "bloom");
-  EXPECT_EQ(AL->getLastArgValue(OPT_F), "42");
-  std::vector<std::string> Gs = AL->getAllArgValues(OPT_G);
+  EXPECT_EQ(AL.getLastArgValue(OPT_F), "42");
+  std::vector<std::string> Gs = AL.getAllArgValues(OPT_G);
   EXPECT_EQ(Gs[0], "chuu");
   EXPECT_EQ(Gs[1], "2");
 
@@ -90,12 +97,120 @@ TEST(Support, OptionParsing) {
   EXPECT_NE(Help.find("-A"), std::string::npos);
 
   // Test aliases.
-  arg_iterator Cs = AL->filtered_begin(OPT_C);
-  ASSERT_NE(Cs, AL->filtered_end());
+  arg_iterator Cs = AL.filtered_begin(OPT_C);
+  ASSERT_NE(Cs, AL.filtered_end());
   EXPECT_EQ(StringRef((*Cs)->getValue()), "desu");
   ArgStringList ASL;
-  (*Cs)->render(*AL, ASL);
+  (*Cs)->render(AL, ASL);
   ASSERT_EQ(ASL.size(), 2u);
   EXPECT_EQ(StringRef(ASL[0]), "-C");
   EXPECT_EQ(StringRef(ASL[1]), "desu");
 }
+
+TEST(Option, ParseWithFlagExclusions) {
+  TestOptTable T;
+  unsigned MAI, MAC;
+
+  // Exclude flag3 to avoid parsing as OPT_SLASH_C.
+  InputArgList AL = T.ParseArgs(Args, MAI, MAC,
+                                /*FlagsToInclude=*/0,
+                                /*FlagsToExclude=*/OptFlag3);
+  EXPECT_TRUE(AL.hasArg(OPT_A));
+  EXPECT_TRUE(AL.hasArg(OPT_C));
+  EXPECT_FALSE(AL.hasArg(OPT_SLASH_C));
+
+  // Exclude flag1 to avoid parsing as OPT_C.
+  AL = T.ParseArgs(Args, MAI, MAC,
+                   /*FlagsToInclude=*/0,
+                   /*FlagsToExclude=*/OptFlag1);
+  EXPECT_TRUE(AL.hasArg(OPT_B));
+  EXPECT_FALSE(AL.hasArg(OPT_C));
+  EXPECT_TRUE(AL.hasArg(OPT_SLASH_C));
+
+  const char *NewArgs[] = { "/C", "foo", "--C=bar" };
+  AL = T.ParseArgs(NewArgs, MAI, MAC);
+  EXPECT_TRUE(AL.hasArg(OPT_SLASH_C));
+  EXPECT_TRUE(AL.hasArg(OPT_C));
+  EXPECT_EQ(AL.getLastArgValue(OPT_SLASH_C), "foo");
+  EXPECT_EQ(AL.getLastArgValue(OPT_C), "bar");
+}
+
+TEST(Option, ParseAliasInGroup) {
+  TestOptTable T;
+  unsigned MAI, MAC;
+
+  const char *MyArgs[] = { "-I" };
+  InputArgList AL = T.ParseArgs(MyArgs, MAI, MAC);
+  EXPECT_TRUE(AL.hasArg(OPT_H));
+}
+
+TEST(Option, AliasArgs) {
+  TestOptTable T;
+  unsigned MAI, MAC;
+
+  const char *MyArgs[] = { "-J", "-Joo" };
+  InputArgList AL = T.ParseArgs(MyArgs, MAI, MAC);
+  EXPECT_TRUE(AL.hasArg(OPT_B));
+  EXPECT_EQ(AL.getAllArgValues(OPT_B)[0], "foo");
+  EXPECT_EQ(AL.getAllArgValues(OPT_B)[1], "bar");
+}
+
+TEST(Option, IgnoreCase) {
+  TestOptTable T(true);
+  unsigned MAI, MAC;
+
+  const char *MyArgs[] = { "-a", "-joo" };
+  InputArgList AL = T.ParseArgs(MyArgs, MAI, MAC);
+  EXPECT_TRUE(AL.hasArg(OPT_A));
+  EXPECT_TRUE(AL.hasArg(OPT_B));
+}
+
+TEST(Option, DoNotIgnoreCase) {
+  TestOptTable T;
+  unsigned MAI, MAC;
+
+  const char *MyArgs[] = { "-a", "-joo" };
+  InputArgList AL = T.ParseArgs(MyArgs, MAI, MAC);
+  EXPECT_FALSE(AL.hasArg(OPT_A));
+  EXPECT_FALSE(AL.hasArg(OPT_B));
+}
+
+TEST(Option, SlurpEmpty) {
+  TestOptTable T;
+  unsigned MAI, MAC;
+
+  const char *MyArgs[] = { "-A", "-slurp" };
+  InputArgList AL = T.ParseArgs(MyArgs, MAI, MAC);
+  EXPECT_TRUE(AL.hasArg(OPT_A));
+  EXPECT_TRUE(AL.hasArg(OPT_Slurp));
+  EXPECT_EQ(AL.getAllArgValues(OPT_Slurp).size(), 0U);
+}
+
+TEST(Option, Slurp) {
+  TestOptTable T;
+  unsigned MAI, MAC;
+
+  const char *MyArgs[] = { "-A", "-slurp", "-B", "--", "foo" };
+  InputArgList AL = T.ParseArgs(MyArgs, MAI, MAC);
+  EXPECT_EQ(AL.size(), 2U);
+  EXPECT_TRUE(AL.hasArg(OPT_A));
+  EXPECT_FALSE(AL.hasArg(OPT_B));
+  EXPECT_TRUE(AL.hasArg(OPT_Slurp));
+  EXPECT_EQ(AL.getAllArgValues(OPT_Slurp).size(), 3U);
+  EXPECT_EQ(AL.getAllArgValues(OPT_Slurp)[0], "-B");
+  EXPECT_EQ(AL.getAllArgValues(OPT_Slurp)[1], "--");
+  EXPECT_EQ(AL.getAllArgValues(OPT_Slurp)[2], "foo");
+}
+
+TEST(Option, FlagAliasToJoined) {
+  TestOptTable T;
+  unsigned MAI, MAC;
+
+  // Check that a flag alias provides an empty argument to a joined option.
+  const char *MyArgs[] = { "-K" };
+  InputArgList AL = T.ParseArgs(MyArgs, MAI, MAC);
+  EXPECT_EQ(AL.size(), 1U);
+  EXPECT_TRUE(AL.hasArg(OPT_B));
+  EXPECT_EQ(AL.getAllArgValues(OPT_B).size(), 1U);
+  EXPECT_EQ(AL.getAllArgValues(OPT_B)[0], "");
+}