66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
#include <gtest/gtest.h>
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#include <solution/392.h>
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class IsSubsequenceTest : public ::testing::Test
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{
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protected:
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void AssertIsSubsequence(const std::string &s, const std::string &t, bool expected)
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{
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char s_buf[1001], t_buf[1001];
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strncpy(s_buf, s.c_str(), sizeof(s_buf));
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s_buf[1000] = '\0';
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strncpy(t_buf, t.c_str(), sizeof(t_buf));
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t_buf[1000] = '\0';
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bool result = isSubsequence(s_buf, t_buf);
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EXPECT_EQ(result, expected);
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}
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};
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// 示例 1：s = "abc", t = "ahbgdc" → true
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TEST_F(IsSubsequenceTest, Example1)
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{
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AssertIsSubsequence("abc", "ahbgdc", true);
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}
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// 示例 2：s = "axc", t = "ahbgdc" → false
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TEST_F(IsSubsequenceTest, Example2)
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{
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AssertIsSubsequence("axc", "ahbgdc", false);
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}
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// 边界测试：s 为空 → 总是 true
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TEST_F(IsSubsequenceTest, EmptyS)
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{
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AssertIsSubsequence("", "anystring", true);
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}
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// 边界测试：t 为空 → 只有 s 也为空才为 true
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TEST_F(IsSubsequenceTest, EmptyT)
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{
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AssertIsSubsequence("a", "", false);
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AssertIsSubsequence("", "", true);
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}
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// s 比 t 长 → false
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TEST_F(IsSubsequenceTest, SLongerThanT)
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{
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AssertIsSubsequence("abcdefg", "abc", false);
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}
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// s 与 t 完全相同 → true
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TEST_F(IsSubsequenceTest, SameString)
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{
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AssertIsSubsequence("abcde", "abcde", true);
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}
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// 非连续但顺序正确 → true
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TEST_F(IsSubsequenceTest, SparseSubsequence)
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{
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AssertIsSubsequence("ace", "abcde", true);
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}
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// 非连续顺序错误 → false
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TEST_F(IsSubsequenceTest, WrongOrder)
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{
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AssertIsSubsequence("aec", "abcde", false);
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} |