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#include "str.hh"

#include <gtest/gtest.h>

TEST(str, split) {
  auto ret = str::split("");
  EXPECT_EQ(0, ret.size());

  ret = str::split("", ' ', true);
  ASSERT_EQ(1, ret.size());
  EXPECT_EQ("", ret[0]);

  ret = str::split(" ");
  EXPECT_EQ(0, ret.size());

  ret = str::split(" ", ' ', true);
  ASSERT_EQ(2, ret.size());
  EXPECT_EQ("", ret[0]);
  EXPECT_EQ("", ret[1]);

  ret = str::split(" a b ");
  ASSERT_EQ(2, ret.size());
  EXPECT_EQ("a", ret[0]);
  EXPECT_EQ("b", ret[1]);

  ret = str::split(" a b ", ' ', true);
  ASSERT_EQ(4, ret.size());
  EXPECT_EQ("", ret[0]);
  EXPECT_EQ("a", ret[1]);
  EXPECT_EQ("b", ret[2]);
  EXPECT_EQ("", ret[3]);

  ret = str::split(" a b", ' ', true);
  ASSERT_EQ(3, ret.size());
  EXPECT_EQ("", ret[0]);
  EXPECT_EQ("a", ret[1]);
  EXPECT_EQ("b", ret[2]);
}

TEST(str, trim) {
  auto ret = str::trim("");
  EXPECT_EQ("", ret);

  ret = str::trim(" ");
  EXPECT_EQ("", ret);

  ret = str::trim("  ");
  EXPECT_EQ("", ret);

  ret = str::trim("foo");
  EXPECT_EQ("foo", ret);

  ret = str::trim(" foo");
  EXPECT_EQ("foo", ret);

  ret = str::trim(" foo ");
  EXPECT_EQ("foo", ret);

  ret = str::trim("foo ");
  EXPECT_EQ("foo", ret);

  ret = str::trim("  foo bar           ");
  EXPECT_EQ("foo bar", ret);

  ret = str::trim("\tfoo bar\r\n");
  EXPECT_EQ("foo bar", ret);
}