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#include "Common/StringUtil.h"
#include "gtest/gtest.h"
using namespace std;
TEST(chop_test, base_case_2)
{
string myString = "me";
EXPECT_EQ((unsigned)2, myString.length());
EXPECT_EQ('e', chop(myString));
EXPECT_EQ((unsigned)1, myString.length());
}
TEST(chop_test, trivial_gt_length2)
{
string myString = "something";
EXPECT_EQ((unsigned)9, myString.length());
EXPECT_EQ('g', chop(myString));
EXPECT_EQ((unsigned)8, myString.length());
EXPECT_EQ('n', chop(myString));
EXPECT_EQ((unsigned)7, myString.length());
}
TEST(chomp_test, base_cases)
{
// test .length=1
string myString = "a";
EXPECT_TRUE(1 == myString.length());
EXPECT_FALSE(chomp(myString));
string anotherString = "\n";
EXPECT_TRUE(1 == anotherString.length());
EXPECT_TRUE(chomp(anotherString));
// test .length=2
string greatString = "ab";
EXPECT_FALSE(chomp(greatString));
EXPECT_EQ((unsigned)2, greatString.length());
string badString = "a\n";
EXPECT_TRUE(chomp(badString));
EXPECT_EQ((unsigned)1, badString.length());
}
TEST(toSI_test, all_the_cases)
{
// negative and zero values
EXPECT_EQ ("-0.000123 ", toSI(-0.0001234));
EXPECT_EQ("1e-13 ", toSI(0.0000000000001));
EXPECT_EQ("-1.2e-13 ", toSI(-0.00000000000012));
EXPECT_EQ("-1.23e-13 ", toSI(-0.000000000000123456));
EXPECT_EQ("0 ", toSI(0));
EXPECT_EQ("-0 ", toSI(-0.000));
//trivially all posible values
EXPECT_EQ("1.23 k", toSI(1234));
EXPECT_EQ("123 M", toSI(123440111));
EXPECT_EQ("23.4 M", toSI(23440111));
EXPECT_EQ("1.23 G", toSI(1234123123));
EXPECT_EQ("123 G", toSI(123440111222));
EXPECT_EQ("23.4 G", toSI(23440222111));
}
TEST(fromSI_test, all_the_cases)
{
// zero values
EXPECT_EQ(0, fromSI("0"));
EXPECT_EQ(0, fromSI("0G"));
// negative values
EXPECT_EQ(-1.23e3, fromSI("-1.23k"));
EXPECT_EQ(-9.06e6, fromSI("-9.06M"));
EXPECT_EQ(-1.234e9, fromSI("-1.234G"));
// positive values
EXPECT_EQ(1.23e3, fromSI("1.23k"));
EXPECT_EQ(9.06e6, fromSI("9.06M"));
EXPECT_EQ(1.234e9, fromSI("1.234G"));
}
TEST(bytesToSI_test, all_the_cases)
{
// zero values
EXPECT_EQ("0", bytesToSI(0));
// unit conversion
EXPECT_EQ("1", bytesToSI(1));
EXPECT_EQ("1k", bytesToSI(1024));
EXPECT_EQ("1M", bytesToSI(1048576UL));
EXPECT_EQ("1G", bytesToSI(1073741824UL));
}
template <typename T>
class MultiTypes{
public:
T myVar;
void type_int() { ::testing::StaticAssertTypeEq<int, T>(); }
void type_double() { ::testing::StaticAssertTypeEq<double, T>(); }
void type_string() { ::testing::StaticAssertTypeEq<string, T>(); }
};
TEST(toEng_test, integer_cases)
{
EXPECT_EQ("1234", toEng(1234));
MultiTypes<int> temp;
temp.type_int();
temp.myVar = 1234;
EXPECT_EQ(temp.myVar, 1234);
EXPECT_EQ("1234", toEng(temp.myVar));
temp.myVar = 12345678;
EXPECT_EQ("12.35e6", toEng(temp.myVar));
temp.myVar = 123456789;
EXPECT_EQ ("123.5e6" , toEng(temp.myVar));
}
TEST(toEng_test, double_cases)
{
MultiTypes<double> temp;
temp.type_double();
temp.myVar = 123.456;
EXPECT_EQ (temp.myVar, 123.456);
EXPECT_EQ ("123.5", toEng(temp.myVar));
temp.myVar = 123456789.9;
EXPECT_EQ ("123.5e6", toEng(temp.myVar));
}
TEST(toEng_test, string_cases)
{
MultiTypes<string> temp;
temp.type_string();
temp.myVar = "123.456";
}
TEST (startsWith_test, trivial_cases)
{
EXPECT_TRUE (startsWith("hello", "hell"));
EXPECT_TRUE (startsWith("hello", "h"));
EXPECT_FALSE (startsWith("hello", "hello"));
EXPECT_TRUE (startsWith("hello", ""));
EXPECT_FALSE (startsWith ("whatever", "who"));
}
TEST(endsWith_test, any_cases)
{
// suffix should not be the string itself
EXPECT_FALSE(endsWith("hello", "hello"));
EXPECT_FALSE(endsWith("", ""));
EXPECT_TRUE(endsWith("hello", ""));
// EXPECT_FALSE(endsWith("hello", NULL));
// NULL is not valid
EXPECT_TRUE(endsWith("hello", "ello"));
EXPECT_TRUE(endsWith("hello", "o"));
EXPECT_FALSE(endsWith("hell", "hello"));
EXPECT_FALSE(endsWith("hell", "heaven"));
}
TEST(SIToBytes_test, unit_conversions)
{
EXPECT_EQ(1024u, SIToBytes("1024"));
EXPECT_EQ(1024u, SIToBytes("1k"));
EXPECT_EQ(1536u, SIToBytes("1.5k"));
EXPECT_EQ(1048576u, SIToBytes("1M"));
EXPECT_EQ(1073741824u, SIToBytes("1G"));
}
TEST(SIToBytes_test, error_handling)
{
unsigned long long bytes;
// non-number
istringstream nonNumber("not-a-number");
bytes = SIToBytes(nonNumber);
EXPECT_EQ(0u, bytes);
EXPECT_TRUE(nonNumber.fail());
// unrecognized suffix
istringstream illegalUnits("1024y");
bytes = SIToBytes(nonNumber);
EXPECT_EQ(0u, bytes);
EXPECT_TRUE(nonNumber.fail());
// valid string should set eof
istringstream valid("500M");
bytes = SIToBytes(valid);
EXPECT_EQ(524288000u, bytes);
EXPECT_TRUE(valid.eof());
}
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