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#include "base/android_util.h"

#include <string>

#include "base/util.h"
#include "testing/base/public/gunit.h"

namespace mozc {

TEST(AndroidUtilTest, GetSystemProperty) {
  // Valid cases
  EXPECT_NE("", AndroidUtil::GetSystemProperty(
      AndroidUtil::kSystemPropertyOsVersion, ""));
  // Check cache
  EXPECT_NE("", AndroidUtil::GetSystemProperty(
      AndroidUtil::kSystemPropertyOsVersion, ""));
  EXPECT_NE("", AndroidUtil::GetSystemProperty(
      AndroidUtil::kSystemPropertyModel, ""));

  // Invalid cases.
  EXPECT_EQ("", AndroidUtil::GetSystemProperty("INVALID_KEY", ""));
  // Check cache.
  EXPECT_EQ("", AndroidUtil::GetSystemProperty("INVALID_KEY", ""));
  EXPECT_EQ("", AndroidUtil::GetSystemProperty("INVALID=KEY", ""));
  EXPECT_EQ("", AndroidUtil::GetSystemProperty("", ""));
  // Check default value.
  EXPECT_EQ("FAIL", AndroidUtil::GetSystemProperty("INVALID_KEY", "FAIL"));
  // Check fail cache.
  EXPECT_EQ("FAIL", AndroidUtil::GetSystemProperty("INVALID_KEY", "FAIL"));
  // Default value should not be cached.
  EXPECT_EQ("FAIL2", AndroidUtil::GetSystemProperty("INVALID_KEY", "FAIL2"));
}

TEST(AndroidUtilTest, ParseLine_valid) {
  struct TestCase {
    string line;
    string lhs;
    string rhs;
  };
  // Valid patterns.
  const TestCase testcases[] = {
    {"1=2 ", "1", "2 "},
    {"1=2=3", "1", "2=3"},
    {" 1=2\n", "1", "2"},
    {"\t 1=#2\n", "1", "#2"},
    {"1 = 2\n", "1 ", " 2"},
  };
  string lhs;
  string rhs;
  for (size_t i = 0; i < arraysize(testcases); ++i) {
    const TestCase &testcase = testcases[i];
    SCOPED_TRACE(testcase.line);
    SCOPED_TRACE(testcase.lhs);
    SCOPED_TRACE(testcase.rhs);
    EXPECT_TRUE(AndroidUtil::ParseLine(testcase.line, &lhs, &rhs));
    EXPECT_EQ(testcase.lhs, lhs);
    EXPECT_EQ(testcase.rhs, rhs);
  }
}

TEST(AndroidUtilTest, ParseLine_invalid) {
  const char *testcases[] = {
    "1", "123", "=2", " \n", "", "#", " # 1=2\n",
  };
  string lhs;
  string rhs;
  for (size_t i = 0; i < arraysize(testcases); ++i) {
    const char *testcase = testcases[i];
    SCOPED_TRACE(testcase);
    EXPECT_FALSE(AndroidUtil::ParseLine(testcase, &lhs, &rhs));
  }
}

}  // namespace