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Add APInt support for converting to/from hexatridecimal strings

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139695 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Douglas Gregor
2011-09-14 15:54:46 +00:00
parent 436fe8498a
commit dcd9996241
3 changed files with 48 additions and 18 deletions
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25
unittests/ADT/APIntTest.cpp
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@@ -237,6 +237,20 @@ TEST(APIntTest, fromString) {
EXPECT_EQ(APInt(32, uint64_t(-16LL)), APInt(32, "-10", 16));
EXPECT_EQ(APInt(32, uint64_t(-31LL)), APInt(32, "-1F", 16));
EXPECT_EQ(APInt(32, uint64_t(-32LL)), APInt(32, "-20", 16));
EXPECT_EQ(APInt(32, 0), APInt(32, "0", 36));
EXPECT_EQ(APInt(32, 1), APInt(32, "1", 36));
EXPECT_EQ(APInt(32, 35), APInt(32, "Z", 36));
EXPECT_EQ(APInt(32, 36), APInt(32, "10", 36));
EXPECT_EQ(APInt(32, 71), APInt(32, "1Z", 36));
EXPECT_EQ(APInt(32, 72), APInt(32, "20", 36));
EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 36));
EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 36));
EXPECT_EQ(APInt(32, uint64_t(-35LL)), APInt(32, "-Z", 36));
EXPECT_EQ(APInt(32, uint64_t(-36LL)), APInt(32, "-10", 36));
EXPECT_EQ(APInt(32, uint64_t(-71LL)), APInt(32, "-1Z", 36));
EXPECT_EQ(APInt(32, uint64_t(-72LL)), APInt(32, "-20", 36));
}
TEST(APIntTest, FromArray) {
@@ -340,6 +354,9 @@ TEST(APIntTest, toString) {
APInt(8, 0).toString(S, 16, true, true);
EXPECT_EQ(S.str().str(), "0x0");
S.clear();
APInt(8, 0).toString(S, 36, true, true);
EXPECT_EQ(S.str().str(), "0");
S.clear();
isSigned = false;
APInt(8, 255, isSigned).toString(S, 2, isSigned, true);
@@ -354,6 +371,9 @@ TEST(APIntTest, toString) {
APInt(8, 255, isSigned).toString(S, 16, isSigned, true);
EXPECT_EQ(S.str().str(), "0xFF");
S.clear();
APInt(8, 255, isSigned).toString(S, 36, isSigned, true);
EXPECT_EQ(S.str().str(), "73");
S.clear();
isSigned = true;
APInt(8, 255, isSigned).toString(S, 2, isSigned, true);
@@ -368,6 +388,9 @@ TEST(APIntTest, toString) {
APInt(8, 255, isSigned).toString(S, 16, isSigned, true);
EXPECT_EQ(S.str().str(), "-0x1");
S.clear();
APInt(8, 255, isSigned).toString(S, 36, isSigned, true);
EXPECT_EQ(S.str().str(), "-1");
S.clear();
}
TEST(APIntTest, Log2) {
@@ -407,7 +430,7 @@ TEST(APIntTest, magicu) {
TEST(APIntTest, StringDeath) {
EXPECT_DEATH(APInt(0, "", 0), "Bitwidth too small");
EXPECT_DEATH(APInt(32, "", 0), "Invalid string length");
EXPECT_DEATH(APInt(32, "0", 0), "Radix should be 2, 8, 10, or 16!");
EXPECT_DEATH(APInt(32, "0", 0), "Radix should be 2, 8, 10, 16, or 36!");
EXPECT_DEATH(APInt(32, "", 10), "Invalid string length");
EXPECT_DEATH(APInt(32, "-", 10), "String is only a sign, needs a value.");
EXPECT_DEATH(APInt(1, "1234", 10), "Insufficient bit width");