补充
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338
Test/JsonTest/App/main.py
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338
Test/JsonTest/App/main.py
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import t, c
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from stdint import *
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from stdio import printf
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import mpool
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import json
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import string
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import w32.win32memory as win32mem
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# ============================================================
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# 测试计数器
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# ============================================================
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_pass_count: t.CInt = 0
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_fail_count: t.CInt = 0
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def check(name: t.CChar | t.CPtr, condition: bool):
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global _pass_count, _fail_count
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if condition:
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_pass_count += 1
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printf(" [PASS] %s\n", name)
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else:
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_fail_count += 1
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printf(" [FAIL] %s\n", name)
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# ============================================================
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# 测试 1：构造 JSON 值（使用 mpool）
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# ============================================================
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def test_construct(pool: mpool.MPool | t.CPtr):
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printf("\n+-- Construct JsonValue (with mpool) --+\n")
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# null
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v1: json.JsonValue | t.CPtr = json.null(pool)
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check("null is_null", v1.is_null())
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# bool
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v2: json.JsonValue | t.CPtr = json.bool_val(pool, True)
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check("bool true is_bool", v2.is_bool())
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check("bool true as_bool", v2.as_bool())
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v3: json.JsonValue | t.CPtr = json.bool_val(pool, False)
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check("bool false !as_bool", not v3.as_bool())
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# int
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v4: json.JsonValue | t.CPtr = json.int_val(pool, 42)
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check("int is_int", v4.is_int())
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check("int 42 == 42", v4.as_int() == 42)
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v5: json.JsonValue | t.CPtr = json.int_val(pool, -100)
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check("int -100 == -100", v5.as_int() == -100)
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# float
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v6: json.JsonValue | t.CPtr = json.float_val(pool, 3.14)
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check("float is_float", v6.is_float())
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check("float 3.14 ~= 3.14", v6.as_float() > 3.13 and v6.as_float() < 3.15)
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# string
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v7: json.JsonValue | t.CPtr = json.string_val(pool, "hello")
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check("string is_string", v7.is_string())
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check("string == hello", string.strcmp(v7.as_string(), "hello") == 0)
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# array
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v8: json.JsonValue | t.CPtr = json.array(pool)
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check("array is_array", v8.is_array())
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check("array empty len()==0", len(v8) == 0)
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# object
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v9: json.JsonValue | t.CPtr = json.object(pool)
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check("object is_object", v9.is_object())
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check("object empty len()==0", len(v9) == 0)
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printf("+--------------------------------------------+\n")
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# ============================================================
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# 测试 2：构造数组和对象（Python风格API）
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# ============================================================
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def test_build_structures(pool: mpool.MPool | t.CPtr):
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printf("\n+-- Build Arrays and Objects (Pythonic API) --+\n")
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# 构建数组 [1, 2, 3]
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arr: json.JsonValue | t.CPtr = json.array(pool)
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json.array_append(pool, arr, json.int_val(pool, 1))
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json.array_append(pool, arr, json.int_val(pool, 2))
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json.array_append(pool, arr, json.int_val(pool, 3))
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check("array [1,2,3] len()==3", len(arr) == 3)
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check("array get_item(0)==1", arr.get_item(0).as_int() == 1)
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check("array get_item(1)==2", arr.get_item(1).as_int() == 2)
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check("array get_item(2)==3", arr.get_item(2).as_int() == 3)
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# 构建对象 {"name": "Viper", "version": 1}
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obj: json.JsonValue | t.CPtr = json.object(pool)
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json.object_set(pool, obj, "name", json.string_val(pool, "Viper"))
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json.object_set(pool, obj, "version", json.int_val(pool, 1))
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check("object len()==2", len(obj) == 2)
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# Python风格取值：obj["key"]
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name_val: json.JsonValue | t.CPtr = obj["name"]
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check("obj['name']==Viper", name_val != None and string.strcmp(name_val.as_string(), "Viper") == 0)
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ver_val: json.JsonValue | t.CPtr = obj["version"]
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check("obj['version']==1", ver_val != None and ver_val.as_int() == 1)
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missing: json.JsonValue | t.CPtr = obj["missing"]
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check("obj['missing']==None", missing == None)
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printf("+--------------------------------------------+\n")
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# ============================================================
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# 测试 3：JSON 解析
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# ============================================================
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def test_parse(pool: mpool.MPool | t.CPtr):
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printf("\n+-- Parse JSON --+\n")
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# 解析整数
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v1: json.JsonValue | t.CPtr = json.parse(pool, "42")
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check("parse int is_int", v1.is_int())
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check("parse int == 42", v1.as_int() == 42)
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# 解析负数
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v2: json.JsonValue | t.CPtr = json.parse(pool, "-7")
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check("parse neg int == -7", v2.as_int() == -7)
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# 解析浮点数
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v3: json.JsonValue | t.CPtr = json.parse(pool, "3.14")
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check("parse float is_float", v3.is_float())
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check("parse float ~= 3.14", v3.as_float() > 3.13 and v3.as_float() < 3.15)
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# 解析字符串
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v4: json.JsonValue | t.CPtr = json.parse(pool, '"hello world"')
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check("parse string is_string", v4.is_string())
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check("parse string == hello world", string.strcmp(v4.as_string(), "hello world") == 0)
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# 解析布尔
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v5: json.JsonValue | t.CPtr = json.parse(pool, "true")
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check("parse true is_bool", v5.is_bool())
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check("parse true as_bool", v5.as_bool())
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v6: json.JsonValue | t.CPtr = json.parse(pool, "false")
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check("parse false !as_bool", not v6.as_bool())
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# 解析 null
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v7: json.JsonValue | t.CPtr = json.parse(pool, "null")
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check("parse null is_null", v7.is_null())
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# 解析数组
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v8: json.JsonValue | t.CPtr = json.parse(pool, "[1, 2, 3]")
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check("parse array is_array", v8.is_array())
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check("parse array len()==3", len(v8) == 3)
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check("parse array get_item(0)==1", v8.get_item(0).as_int() == 1)
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check("parse array get_item(2)==3", v8.get_item(2).as_int() == 3)
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# 解析对象（Python风格取值）
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v9: json.JsonValue | t.CPtr = json.parse(pool, '{"x": 10, "y": 20}')
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check("parse object is_object", v9.is_object())
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check("parse object len()==2", len(v9) == 2)
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x_val: json.JsonValue | t.CPtr = v9["x"]
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check("parse obj['x']==10", x_val != None and x_val.as_int() == 10)
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y_val: json.JsonValue | t.CPtr = v9["y"]
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check("parse obj['y']==20", y_val != None and y_val.as_int() == 20)
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printf("+--------------------------------------------+\n")
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# ============================================================
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# 测试 4：JSON 序列化
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# ============================================================
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def test_write(pool: mpool.MPool | t.CPtr):
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printf("\n+-- Write JSON --+\n")
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# 写整数
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v1: json.JsonValue | t.CPtr = json.int_val(pool, 42)
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s1: t.CChar | t.CPtr = json.write(pool, v1, False)
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check("write int 42", string.strcmp(s1, "42") == 0)
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# 写字符串
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v2: json.JsonValue | t.CPtr = json.string_val(pool, "hello")
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s2: t.CChar | t.CPtr = json.write(pool, v2, False)
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check("write string hello", string.strcmp(s2, '"hello"') == 0)
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# 写布尔
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v3: json.JsonValue | t.CPtr = json.bool_val(pool, True)
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s3: t.CChar | t.CPtr = json.write(pool, v3, False)
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check("write bool true", string.strcmp(s3, "true") == 0)
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v4: json.JsonValue | t.CPtr = json.bool_val(pool, False)
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s4: t.CChar | t.CPtr = json.write(pool, v4, False)
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check("write bool false", string.strcmp(s4, "false") == 0)
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# 写 null
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v5: json.JsonValue | t.CPtr = json.null(pool)
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s5: t.CChar | t.CPtr = json.write(pool, v5, False)
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check("write null", string.strcmp(s5, "null") == 0)
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# 写数组
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arr: json.JsonValue | t.CPtr = json.array(pool)
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json.array_append(pool, arr, json.int_val(pool, 1))
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json.array_append(pool, arr, json.int_val(pool, 2))
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json.array_append(pool, arr, json.int_val(pool, 3))
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s6: t.CChar | t.CPtr = json.write(pool, arr, False)
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check("write array [1,2,3]", string.strcmp(s6, "[1,2,3]") == 0)
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# 写对象
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obj: json.JsonValue | t.CPtr = json.object(pool)
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json.object_set(pool, obj, "a", json.int_val(pool, 1))
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json.object_set(pool, obj, "b", json.string_val(pool, "x"))
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s7: t.CChar | t.CPtr = json.write(pool, obj, False)
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check("write object non-null", s7 != None)
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printf("+--------------------------------------------+\n")
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# ============================================================
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# 测试 5：解析复杂嵌套 JSON（Python风格API）
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# ============================================================
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def test_nested(pool: mpool.MPool | t.CPtr):
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printf("\n+-- Parse Nested JSON (Pythonic API) --+\n")
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src: t.CChar | t.CPtr = '{"name": "Viper", "version": 1, "features": ["fast", "safe", "portable"], "nested": {"key": "value", "num": 99}}'
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root: json.JsonValue | t.CPtr = json.parse(pool, src)
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check("nested is_object", root.is_object())
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check("nested len()==4", len(root) == 4)
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# Python风格取值：root["name"]
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name: json.JsonValue | t.CPtr = root["name"]
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check("root['name']==Viper", name != None and string.strcmp(name.as_string(), "Viper") == 0)
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# root["version"]
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ver: json.JsonValue | t.CPtr = root["version"]
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check("root['version']==1", ver != None and ver.as_int() == 1)
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# root["features"] 数组
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feat: json.JsonValue | t.CPtr = root["features"]
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check("root['features'] is_array", feat != None and feat.is_array())
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check("root['features'] len()==3", feat != None and len(feat) == 3)
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check("root['features'][0]==fast", feat != None and string.strcmp(feat.get_item(0).as_string(), "fast") == 0)
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check("root['features'][2]==portable", feat != None and string.strcmp(feat.get_item(2).as_string(), "portable") == 0)
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# root["nested"] 对象
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nested: json.JsonValue | t.CPtr = root["nested"]
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check("root['nested'] is_object", nested != None and nested.is_object())
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nk: json.JsonValue | t.CPtr = nested["key"] if nested != None else None
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check("root['nested']['key']==value", nk != None and string.strcmp(nk.as_string(), "value") == 0)
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nn: json.JsonValue | t.CPtr = nested["num"] if nested != None else None
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check("root['nested']['num']==99", nn != None and nn.as_int() == 99)
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printf("+--------------------------------------------+\n")
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# ============================================================
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# 测试 6：mpool 重置后重新使用
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# ============================================================
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def test_mpool_reuse():
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printf("\n+-- MPool Reuse --+\n")
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# 分配内存
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mem: t.CVoid | t.CPtr = win32mem.VirtualAlloc(t.CVoid(0, t.CPtr), 8192, 0x3000, 0x04)
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check("VirtualAlloc ok", mem != None)
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pool: mpool.MPool | t.CPtr = mpool.MPool(mem, 8192, 0)
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# 第一次使用
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v1: json.JsonValue | t.CPtr = json.int_val(pool, 100)
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check("reuse round1 int==100", v1.as_int() == 100)
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# 重置 mpool
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pool.reset()
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# 第二次使用（内存复用）
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v2: json.JsonValue | t.CPtr = json.string_val(pool, "reused")
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check("reuse round2 string==reused", string.strcmp(v2.as_string(), "reused") == 0)
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# 重置后再解析
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pool.reset()
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v3: json.JsonValue | t.CPtr = json.parse(pool, '{"test": true}')
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check("reuse round3 parse ok", v3.is_object())
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tv: json.JsonValue | t.CPtr = v3["test"]
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check("reuse round3 obj['test']==true", tv != None and tv.as_bool())
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win32mem.VirtualFree(mem, 0, 0x8000)
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printf("+--------------------------------------------+\n")
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# ============================================================
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# 测试 7：转义字符解析
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# ============================================================
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def test_escape(pool: mpool.MPool | t.CPtr):
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printf("\n+-- Escape Characters --+\n")
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# 解析含转义字符的字符串
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v1: json.JsonValue | t.CPtr = json.parse(pool, '"hello\\nworld"')
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check("escape \\n is_string", v1.is_string())
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sv1: t.CChar | t.CPtr = v1.as_string()
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check("escape \\n contains newline", sv1 != None and sv1[5] == '\n')
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v2: json.JsonValue | t.CPtr = json.parse(pool, '"tab\\there"')
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check("escape \\t is_string", v2.is_string())
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sv2: t.CChar | t.CPtr = v2.as_string()
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check("escape \\t contains tab", sv2 != None and sv2[3] == '\t')
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v3: json.JsonValue | t.CPtr = json.parse(pool, '"quote\\""')
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check("escape \\\" is_string", v3.is_string())
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printf("+--------------------------------------------+\n")
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# ============================================================
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# 主函数
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# ============================================================
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def main() -> t.CInt | t.CExport:
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printf("=== JSON Library Test (Pythonic API) ===\n")
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# 使用 mpool 的 bump 分配器
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mem: t.CVoid | t.CPtr = win32mem.VirtualAlloc(t.CVoid(0, t.CPtr), 65536, 0x3000, 0x04)
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pool: mpool.MPool | t.CPtr = mpool.MPool(mem, 65536, 0)
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test_construct(pool)
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pool.reset()
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test_build_structures(pool)
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pool.reset()
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test_parse(pool)
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pool.reset()
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test_write(pool)
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pool.reset()
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test_nested(pool)
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pool.reset()
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test_escape(pool)
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pool.reset()
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test_mpool_reuse()
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win32mem.VirtualFree(mem, 0, 0x8000)
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printf("\n=== Results: %d passed, %d failed ===\n", _pass_count, _fail_count)
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return 0
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