107 lines
2.9 KiB
Python
107 lines
2.9 KiB
Python
import stdio
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import t, c
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import string
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# ============================================================
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# string_test - string.py 库函数测试
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#
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# 测试 strlen / strcmp / strncmp / atoi / strchr / strstr
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# ============================================================
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def test_strlen():
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stdio.printf("--- Test 1: strlen ---\n")
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l1: t.CSizeT = string.strlen("Hello")
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stdio.printf("strlen(Hello)=%lu (expect 5)\n", l1)
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l2: t.CSizeT = string.strlen("")
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stdio.printf("strlen()=%lu (expect 0)\n", l2)
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l3: t.CSizeT = string.strlen("Hello, World!")
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stdio.printf("strlen(Hello, World!)=%lu (expect 13)\n", l3)
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def test_strcmp():
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stdio.printf("--- Test 2: strcmp ---\n")
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r1: t.CInt = string.strcmp("abc", "abc")
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stdio.printf("strcmp(abc,abc)=%d (expect 0)\n", r1)
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r2: t.CInt = string.strcmp("abc", "abd")
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stdio.printf("strcmp(abc,abd)=%d (expect <0)\n", r2)
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r3: t.CInt = string.strcmp("abd", "abc")
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stdio.printf("strcmp(abd,abc)=%d (expect >0)\n", r3)
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def test_strncmp():
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stdio.printf("--- Test 3: strncmp ---\n")
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r1: t.CInt = string.strncmp("abcdef", "abcXYZ", 3)
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stdio.printf("strncmp(abcdef,abcXYZ,3)=%d (expect 0)\n", r1)
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r2: t.CInt = string.strncmp("abcdef", "abcXYZ", 4)
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stdio.printf("strncmp(abcdef,abcXYZ,4)=%d (expect <0)\n", r2)
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def test_atoi():
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stdio.printf("--- Test 4: atoi ---\n")
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n1: t.CInt = string.atoi("123")
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stdio.printf("atoi(123)=%d (expect 123)\n", n1)
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n2: t.CInt = string.atoi("-456")
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stdio.printf("atoi(-456)=%d (expect -456)\n", n2)
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n3: t.CInt = string.atoi(" 789")
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stdio.printf("atoi( 789)=%d (expect 789)\n", n3)
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def test_strchr():
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stdio.printf("--- Test 5: strchr ---\n")
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# strchr 返回指向字符的指针，不为 None 表示找到
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p: str = string.strchr("Hello", 108) # 'l' = 108
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if p is not None:
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stdio.printf("strchr(Hello,'l') found, char=%d (expect 108)\n", c.Deref(p))
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else:
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stdio.printf("strchr(Hello,'l') NOT FOUND (FAIL)\n")
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p2: str = string.strchr("Hello", 122) # 'z' = 122
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if p2 is None:
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stdio.printf("strchr(Hello,'z') not found OK\n")
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else:
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stdio.printf("strchr(Hello,'z') FAIL (should be None)\n")
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def test_strstr():
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stdio.printf("--- Test 6: strstr ---\n")
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p: str = string.strstr("Hello World", "World")
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if p is not None:
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stdio.printf("strstr(Hello,World) found OK\n")
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else:
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stdio.printf("strstr(Hello,World) NOT FOUND (FAIL)\n")
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p2: str = string.strstr("Hello World", "xyz")
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if p2 is None:
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stdio.printf("strstr(Hello,xyz) not found OK\n")
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else:
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stdio.printf("strstr(Hello,xyz) FAIL (should be None)\n")
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def string_test() -> int:
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stdio.printf("=== string_test: string.py 库函数测试 ===\n\n")
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test_strlen()
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test_strcmp()
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test_strncmp()
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test_atoi()
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test_strchr()
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test_strstr()
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stdio.printf("\n=== string_test 完成 ===\n")
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return 0
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