350 lines
15 KiB
C++
350 lines
15 KiB
C++
//===- llvm/unittest/Support/NativeFormatTests.cpp - formatting tests -----===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/ADT/SmallString.h"
|
|
#include "llvm/Support/NativeFormatting.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
#include <type_traits>
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
template <typename T>
|
|
std::string format_number(T N, IntegerStyle Style,
|
|
Optional<size_t> Precision = None,
|
|
Optional<int> Width = None) {
|
|
std::string S;
|
|
llvm::raw_string_ostream Str(S);
|
|
write_integer(Str, N, Style, Precision, Width);
|
|
Str.flush();
|
|
return S;
|
|
}
|
|
|
|
template <typename T>
|
|
typename std::enable_if<std::is_pointer<T>::value, std::string>::type
|
|
format_number(T N, HexPrintStyle Style, Optional<size_t> Precision = None,
|
|
Optional<int> Width = None) {
|
|
IntegerStyle IS = hexStyleToIntHexStyle(Style);
|
|
return format_number(reinterpret_cast<uintptr_t>(N), IS, Precision, Width);
|
|
}
|
|
|
|
std::string format_number(uint64_t N, HexPrintStyle Style,
|
|
Optional<size_t> Precision = None,
|
|
Optional<int> Width = None) {
|
|
std::string S;
|
|
llvm::raw_string_ostream Str(S);
|
|
write_hex(Str, N, Style, Precision, Width);
|
|
Str.flush();
|
|
return S;
|
|
}
|
|
|
|
std::string format_number(double D, FloatStyle Style,
|
|
Optional<size_t> Precision = None,
|
|
Optional<int> Width = None) {
|
|
std::string S;
|
|
llvm::raw_string_ostream Str(S);
|
|
write_double(Str, D, Style, Precision, Width);
|
|
Str.flush();
|
|
return S;
|
|
}
|
|
|
|
// Test basic number formatting with various styles and default width and
|
|
// precision.
|
|
TEST(NativeFormatTest, BasicIntegerTests) {
|
|
// Simple fixed point integers. Default precision is 2.
|
|
EXPECT_EQ("0.00", format_number(0, IntegerStyle::Fixed));
|
|
EXPECT_EQ("2425.00", format_number(2425, IntegerStyle::Fixed));
|
|
EXPECT_EQ("-2425.00", format_number(-2425, IntegerStyle::Fixed));
|
|
|
|
EXPECT_EQ("0.00", format_number(0LL, IntegerStyle::Fixed));
|
|
EXPECT_EQ("257257257235709.00",
|
|
format_number(257257257235709LL, IntegerStyle::Fixed));
|
|
EXPECT_EQ("-257257257235709.00",
|
|
format_number(-257257257235709LL, IntegerStyle::Fixed));
|
|
|
|
// Simple integers with no decimal. Default precision is 0.
|
|
EXPECT_EQ("0", format_number(0, IntegerStyle::Integer));
|
|
EXPECT_EQ("2425", format_number(2425, IntegerStyle::Integer));
|
|
EXPECT_EQ("-2425", format_number(-2425, IntegerStyle::Integer));
|
|
|
|
EXPECT_EQ("0", format_number(0LL, IntegerStyle::Integer));
|
|
EXPECT_EQ("257257257235709",
|
|
format_number(257257257235709LL, IntegerStyle::Integer));
|
|
EXPECT_EQ("-257257257235709",
|
|
format_number(-257257257235709LL, IntegerStyle::Integer));
|
|
|
|
// Exponent based integers. Default precision is 6.
|
|
EXPECT_EQ("3.700000e+01", format_number(37, IntegerStyle::Exponent));
|
|
EXPECT_EQ("4.238000e+03", format_number(4238, IntegerStyle::Exponent));
|
|
EXPECT_EQ("3.700000E+01", format_number(37, IntegerStyle::ExponentUpper));
|
|
EXPECT_EQ("4.238000E+03", format_number(4238, IntegerStyle::ExponentUpper));
|
|
|
|
// Number formatting. Default precision is 0.
|
|
EXPECT_EQ("0", format_number(0, IntegerStyle::Number));
|
|
EXPECT_EQ("2,425", format_number(2425, IntegerStyle::Number));
|
|
EXPECT_EQ("-2,425", format_number(-2425, IntegerStyle::Number));
|
|
EXPECT_EQ("257,257,257,235,709",
|
|
format_number(257257257235709LL, IntegerStyle::Number));
|
|
EXPECT_EQ("-257,257,257,235,709",
|
|
format_number(-257257257235709LL, IntegerStyle::Number));
|
|
|
|
// Percent formatting. Default precision is 0.
|
|
EXPECT_EQ("0%", format_number(0, IntegerStyle::Percent));
|
|
EXPECT_EQ("100%", format_number(1, IntegerStyle::Percent));
|
|
EXPECT_EQ("-100%", format_number(-1, IntegerStyle::Percent));
|
|
|
|
// Hex formatting. Default precision is 0.
|
|
// lower case, prefix.
|
|
EXPECT_EQ("0x0", format_number(0, HexPrintStyle::PrefixLower));
|
|
EXPECT_EQ("0xbeef", format_number(0xbeefLL, HexPrintStyle::PrefixLower));
|
|
EXPECT_EQ("0xdeadbeef",
|
|
format_number(0xdeadbeefLL, HexPrintStyle::PrefixLower));
|
|
|
|
// upper-case, prefix.
|
|
EXPECT_EQ("0x0", format_number(0, HexPrintStyle::PrefixUpper));
|
|
EXPECT_EQ("0xBEEF", format_number(0xbeefLL, HexPrintStyle::PrefixUpper));
|
|
EXPECT_EQ("0xDEADBEEF",
|
|
format_number(0xdeadbeefLL, HexPrintStyle::PrefixUpper));
|
|
|
|
// lower-case, no prefix
|
|
EXPECT_EQ("0", format_number(0, HexPrintStyle::Lower));
|
|
EXPECT_EQ("beef", format_number(0xbeefLL, HexPrintStyle::Lower));
|
|
EXPECT_EQ("deadbeef", format_number(0xdeadbeefLL, HexPrintStyle::Lower));
|
|
|
|
// upper-case, no prefix.
|
|
EXPECT_EQ("0", format_number(0, HexPrintStyle::Upper));
|
|
EXPECT_EQ("BEEF", format_number(0xbeef, HexPrintStyle::Upper));
|
|
EXPECT_EQ("DEADBEEF", format_number(0xdeadbeef, HexPrintStyle::Upper));
|
|
|
|
EXPECT_EQ("0xFFFFFFFF", format_number(-1, IntegerStyle::HexUpperPrefix));
|
|
}
|
|
|
|
// Test pointer type formatting with various styles and default width and
|
|
// precision.
|
|
TEST(NativeFormatTest, BasicPointerTests) {
|
|
// lower-case, prefix
|
|
EXPECT_EQ("0x0", format_number((void *)nullptr, HexPrintStyle::PrefixLower));
|
|
EXPECT_EQ("0xbeef",
|
|
format_number((void *)0xbeefLL, HexPrintStyle::PrefixLower));
|
|
EXPECT_EQ("0xdeadbeef",
|
|
format_number((void *)0xdeadbeefLL, HexPrintStyle::PrefixLower));
|
|
|
|
// upper-case, prefix.
|
|
EXPECT_EQ("0x0", format_number((void *)nullptr, HexPrintStyle::PrefixUpper));
|
|
EXPECT_EQ("0xBEEF",
|
|
format_number((void *)0xbeefLL, HexPrintStyle::PrefixUpper));
|
|
EXPECT_EQ("0xDEADBEEF",
|
|
format_number((void *)0xdeadbeefLL, HexPrintStyle::PrefixUpper));
|
|
|
|
// lower-case, no prefix
|
|
EXPECT_EQ("0", format_number((void *)nullptr, HexPrintStyle::Lower));
|
|
EXPECT_EQ("beef", format_number((void *)0xbeefLL, HexPrintStyle::Lower));
|
|
EXPECT_EQ("deadbeef",
|
|
format_number((void *)0xdeadbeefLL, HexPrintStyle::Lower));
|
|
|
|
// upper-case, no prefix.
|
|
EXPECT_EQ("0", format_number((void *)nullptr, HexPrintStyle::Upper));
|
|
EXPECT_EQ("BEEF", format_number((void *)0xbeefLL, HexPrintStyle::Upper));
|
|
EXPECT_EQ("DEADBEEF",
|
|
format_number((void *)0xdeadbeefLL, HexPrintStyle::Upper));
|
|
}
|
|
|
|
// Test basic floating point formatting with various styles and default width
|
|
// and precision.
|
|
TEST(NativeFormatTest, BasicFloatingPointTests) {
|
|
// Double
|
|
EXPECT_EQ("0.000000e+00", format_number(0.0, FloatStyle::Exponent));
|
|
EXPECT_EQ("-0.000000e+00", format_number(-0.0, FloatStyle::Exponent));
|
|
EXPECT_EQ("1.100000e+00", format_number(1.1, FloatStyle::Exponent));
|
|
EXPECT_EQ("1.100000E+00", format_number(1.1, FloatStyle::ExponentUpper));
|
|
|
|
// Default precision is 2 for floating points.
|
|
EXPECT_EQ("1.10", format_number(1.1, FloatStyle::Fixed));
|
|
EXPECT_EQ("1.34", format_number(1.34, FloatStyle::Fixed));
|
|
EXPECT_EQ("1.34", format_number(1.344, FloatStyle::Fixed));
|
|
EXPECT_EQ("1.35", format_number(1.346, FloatStyle::Fixed));
|
|
}
|
|
|
|
// Test common boundary cases and min/max conditions.
|
|
TEST(NativeFormatTest, BoundaryTests) {
|
|
// Min and max.
|
|
EXPECT_EQ("18446744073709551615",
|
|
format_number(UINT64_MAX, IntegerStyle::Integer));
|
|
|
|
EXPECT_EQ("9223372036854775807",
|
|
format_number(INT64_MAX, IntegerStyle::Integer));
|
|
EXPECT_EQ("-9223372036854775808",
|
|
format_number(INT64_MIN, IntegerStyle::Integer));
|
|
|
|
EXPECT_EQ("4294967295", format_number(UINT32_MAX, IntegerStyle::Integer));
|
|
EXPECT_EQ("2147483647", format_number(INT32_MAX, IntegerStyle::Integer));
|
|
EXPECT_EQ("-2147483648", format_number(INT32_MIN, IntegerStyle::Integer));
|
|
|
|
EXPECT_EQ("nan", format_number(std::numeric_limits<double>::quiet_NaN(),
|
|
FloatStyle::Fixed));
|
|
EXPECT_EQ("INF", format_number(std::numeric_limits<double>::infinity(),
|
|
FloatStyle::Fixed));
|
|
}
|
|
|
|
TEST(NativeFormatTest, HexTests) {
|
|
// Test hex formatting with different widths and precisions.
|
|
|
|
// Precision less than the value should print the full value anyway.
|
|
EXPECT_EQ("0x0", format_number(0, IntegerStyle::HexLowerPrefix, 0));
|
|
EXPECT_EQ("0xabcde", format_number(0xABCDE, IntegerStyle::HexLowerPrefix, 3));
|
|
|
|
// Precision greater than the value should pad with 0s.
|
|
// TODO: The prefix should not be counted in the precision. But unfortunately
|
|
// it is and we have to live with it unless we fix all existing users of
|
|
// prefixed hex formatting.
|
|
EXPECT_EQ("0x000", format_number(0, IntegerStyle::HexLowerPrefix, 5));
|
|
EXPECT_EQ("0x0abcde",
|
|
format_number(0xABCDE, IntegerStyle::HexLowerPrefix, 8));
|
|
|
|
EXPECT_EQ("00000", format_number(0, IntegerStyle::HexLowerNoPrefix, 5));
|
|
EXPECT_EQ("000abcde",
|
|
format_number(0xABCDE, IntegerStyle::HexLowerNoPrefix, 8));
|
|
|
|
// Try printing more digits than can fit in a uint64.
|
|
EXPECT_EQ("0x00000000000000abcde",
|
|
format_number(0xABCDE, IntegerStyle::HexLowerPrefix, 21));
|
|
|
|
// Width less than the amount to be printed should print the full amount.
|
|
EXPECT_EQ("0x0", format_number(0, IntegerStyle::HexLowerPrefix, 0, 0));
|
|
EXPECT_EQ("0xabcde",
|
|
format_number(0xABCDE, IntegerStyle::HexLowerPrefix, 0, 0));
|
|
|
|
// Width greater than the value should pad with spaces.
|
|
EXPECT_EQ(" 0x0", format_number(0, IntegerStyle::HexLowerPrefix, 0, 5));
|
|
EXPECT_EQ(" 0xabcde",
|
|
format_number(0xABCDE, IntegerStyle::HexLowerPrefix, 0, 8));
|
|
|
|
// Should also work with no prefix.
|
|
EXPECT_EQ(" 000", format_number(0, IntegerStyle::HexLowerNoPrefix, 3, 5));
|
|
EXPECT_EQ(" 0abcde",
|
|
format_number(0xABCDE, IntegerStyle::HexLowerNoPrefix, 6, 9));
|
|
|
|
// And with pointers.
|
|
EXPECT_EQ(" 0x000",
|
|
format_number((void *)nullptr, HexPrintStyle::PrefixLower, 5, 7));
|
|
|
|
// Try printing more digits than can fit in a uint64.
|
|
EXPECT_EQ(" 0x000abcde",
|
|
format_number(0xABCDE, IntegerStyle::HexLowerPrefix, 10, 15));
|
|
}
|
|
|
|
TEST(NativeFormatTest, IntegerTests) {
|
|
// Test plain integer formatting with non-default widths and precisions.
|
|
|
|
// Too low precision should print the whole number.
|
|
EXPECT_EQ("-10", format_number(-10, IntegerStyle::Integer, 1));
|
|
|
|
// Additional precision should padd with 0s.
|
|
EXPECT_EQ("-00010", format_number(-10, IntegerStyle::Integer, 5));
|
|
EXPECT_EQ("-00100", format_number(-100, IntegerStyle::Integer, 5));
|
|
EXPECT_EQ("-01000", format_number(-1000, IntegerStyle::Integer, 5));
|
|
EXPECT_EQ("-001234567890",
|
|
format_number(-1234567890, IntegerStyle::Integer, 12));
|
|
EXPECT_EQ("00010", format_number(10, IntegerStyle::Integer, 5));
|
|
EXPECT_EQ("00100", format_number(100, IntegerStyle::Integer, 5));
|
|
EXPECT_EQ("01000", format_number(1000, IntegerStyle::Integer, 5));
|
|
EXPECT_EQ("001234567890",
|
|
format_number(1234567890, IntegerStyle::Integer, 12));
|
|
|
|
// Too low width should print the full number.
|
|
EXPECT_EQ("-10", format_number(-10, IntegerStyle::Integer, None, 2));
|
|
|
|
// Additional width should padd with spaces.
|
|
EXPECT_EQ(" -00010", format_number(-10, IntegerStyle::Integer, 5, 8));
|
|
EXPECT_EQ(" -00100", format_number(-100, IntegerStyle::Integer, 5, 8));
|
|
EXPECT_EQ(" -01000", format_number(-1000, IntegerStyle::Integer, 5, 8));
|
|
EXPECT_EQ(" -001234567890",
|
|
format_number(-1234567890, IntegerStyle::Integer, 12, 14));
|
|
EXPECT_EQ(" 00010", format_number(10, IntegerStyle::Integer, 5, 8));
|
|
EXPECT_EQ(" 00100", format_number(100, IntegerStyle::Integer, 5, 8));
|
|
EXPECT_EQ(" 01000", format_number(1000, IntegerStyle::Integer, 5, 8));
|
|
EXPECT_EQ(" 001234567890",
|
|
format_number(1234567890, IntegerStyle::Integer, 12, 14));
|
|
}
|
|
|
|
TEST(NativeFormatTest, CommaTests) {
|
|
// Test comma grouping with default widths and precisions.
|
|
EXPECT_EQ("0", format_number(0, IntegerStyle::Number));
|
|
EXPECT_EQ("10", format_number(10, IntegerStyle::Number));
|
|
EXPECT_EQ("100", format_number(100, IntegerStyle::Number));
|
|
EXPECT_EQ("1,000", format_number(1000, IntegerStyle::Number));
|
|
EXPECT_EQ("1,234,567,890", format_number(1234567890, IntegerStyle::Number));
|
|
|
|
// Test comma grouping with non-default widths and precisions.
|
|
EXPECT_EQ("-10", format_number(-10, IntegerStyle::Number));
|
|
EXPECT_EQ("-100", format_number(-100, IntegerStyle::Number));
|
|
EXPECT_EQ("-1,000", format_number(-1000, IntegerStyle::Number));
|
|
EXPECT_EQ("-1,234,567,890", format_number(-1234567890, IntegerStyle::Number));
|
|
|
|
EXPECT_EQ(" 1,000", format_number(1000, IntegerStyle::Number, None, 7));
|
|
EXPECT_EQ(" -1,000", format_number(-1000, IntegerStyle::Number, None, 7));
|
|
EXPECT_EQ(" -0,001,000", format_number(-1000, IntegerStyle::Number, 7, 11));
|
|
EXPECT_EQ(" 0,001,000", format_number(1000, IntegerStyle::Number, 7, 11));
|
|
}
|
|
|
|
TEST(NativeFormatTest, PercentTests) {
|
|
// Integer percents.
|
|
EXPECT_EQ("0%", format_number(0, IntegerStyle::Percent));
|
|
EXPECT_EQ("0.00%", format_number(0, IntegerStyle::Percent, 2));
|
|
EXPECT_EQ(" 0.00%", format_number(0, IntegerStyle::Percent, 2, 7));
|
|
|
|
EXPECT_EQ(" 100.00%", format_number(1, IntegerStyle::Percent, 2, 8));
|
|
|
|
EXPECT_EQ(" 100%", format_number(1, IntegerStyle::Percent, None, 8));
|
|
EXPECT_EQ(" 100.000%", format_number(1, IntegerStyle::Percent, 3, 9));
|
|
|
|
// Floating point percents. Default precision is 2 for floating point types,
|
|
// even for 0.
|
|
EXPECT_EQ("0.00%", format_number(0.0, FloatStyle::Percent));
|
|
EXPECT_EQ("0%", format_number(0.0, FloatStyle::Percent, 0));
|
|
EXPECT_EQ(" 0.00%", format_number(0.0, FloatStyle::Percent, 2, 6));
|
|
EXPECT_EQ(" 4.2%", format_number(.042379, FloatStyle::Percent, 1, 5));
|
|
EXPECT_EQ("4.24%", format_number(.042379, FloatStyle::Percent, 2, 5));
|
|
EXPECT_EQ("4.238%", format_number(.042379, FloatStyle::Percent, 3, 5));
|
|
EXPECT_EQ(" 0.424%", format_number(.0042379, FloatStyle::Percent, 3, 8));
|
|
EXPECT_EQ(" -0.424%", format_number(-.0042379, FloatStyle::Percent, 3, 8));
|
|
}
|
|
|
|
TEST(NativeFormatTest, FixedTests) {
|
|
// Integer fixed numbers. Default precision is 2. Make sure no decimal
|
|
// is printed with 0 precision.
|
|
EXPECT_EQ("1.00", format_number(1, IntegerStyle::Fixed));
|
|
EXPECT_EQ("1", format_number(1, IntegerStyle::Fixed, 0));
|
|
EXPECT_EQ(" 1.00", format_number(1, IntegerStyle::Fixed, 2, 6));
|
|
EXPECT_EQ("-1.00", format_number(-1, IntegerStyle::Fixed));
|
|
EXPECT_EQ("-1.00", format_number(-1, IntegerStyle::Fixed, 2));
|
|
EXPECT_EQ(" -1.00", format_number(-1, IntegerStyle::Fixed, 2, 6));
|
|
|
|
// Float fixed numbers. Default precision is 2.
|
|
EXPECT_EQ("0.00", format_number(0.0, FloatStyle::Fixed));
|
|
EXPECT_EQ("1.00", format_number(1.0, FloatStyle::Fixed));
|
|
|
|
// But can be forced to 0
|
|
EXPECT_EQ("0", format_number(0.0, FloatStyle::Fixed, 0));
|
|
|
|
// It should round up when appropriate.
|
|
EXPECT_EQ("3.14", format_number(3.1415, FloatStyle::Fixed, 2));
|
|
EXPECT_EQ("3.142", format_number(3.1415, FloatStyle::Fixed, 3));
|
|
|
|
// Padding should work properly with both positive and negative numbers.
|
|
EXPECT_EQ(" 3.14", format_number(3.1415, FloatStyle::Fixed, 2, 7));
|
|
EXPECT_EQ(" 3.142", format_number(3.1415, FloatStyle::Fixed, 3, 7));
|
|
EXPECT_EQ(" -3.14", format_number(-3.1415, FloatStyle::Fixed, 2, 7));
|
|
EXPECT_EQ(" -3.142", format_number(-3.1415, FloatStyle::Fixed, 3, 7));
|
|
}
|
|
}
|