#include "gtest/gtest.h"
#include "jianzhi_offer.h"

TEST(ReplaceSpaceTest, BasicAssertions) {
    std::string input = "We are happy.";
    std::string expected = "We%20are%20happy.";

    yaha::String s;
    ASSERT_EQ(expected, s.replace_space(input));
}

TEST(IsNumberTest, BasicAssertions) {
    yaha::String s;
    ASSERT_TRUE(s.is_number("0"));
    ASSERT_TRUE(s.is_number("    .1  "));
    ASSERT_FALSE(s.is_number("."));
    ASSERT_FALSE(s.is_number("e"));
    ASSERT_FALSE(s.is_number("e9"));
}

TEST(ReverseLeftWordsTest, BasicAssertions) {
    yaha::String s;
    ASSERT_EQ("cdefgab", s.reverse_left_words("abcdefg", 2));
    ASSERT_EQ("umghlrlose", s.reverse_left_words("lrloseumgh", 6));
}

TEST(StringToIntTest, BasicAssertions) {
    yaha::String s;
    ASSERT_EQ(42, s.str_to_int("42"));
    ASSERT_EQ(-42, s.str_to_int("-42"));
    ASSERT_EQ(-42, s.str_to_int(" -42"));
    ASSERT_EQ(4193, s.str_to_int("4193 with words"));
    ASSERT_EQ(0, s.str_to_int("words and 987"));
}