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stage1 修改部分测试 完成17-19测试

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zzy
2026-07-07 12:11:49 +08:00
parent 1df3e3bcb4
commit 463177d3be
7 changed files with 262 additions and 71 deletions
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stage1/test19_hardarray.spl Normal file
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/* ===== 进阶数组与切片 =====
* test19_hardarray — 多维数组、多维切片、切片构造、字符串测试
* 难度：4/5
* 验证点：多维数组索引与修改、多维切片、切片字段读写、扁平指针访问、字符串切片
*/
fn test_string() i32 {
/* ============================
* String test: str is []u8
* ============================ */
var data: *u8 = "hello";
var s: []u8 = { .ptr = data, .len = 5 };
if s.len != 5 { ret 100; }
if s[0] != 104 { ret 101; } /* 'h' */
if s[1] != 101 { ret 102; } /* 'e' */
if s[4] != 111 { ret 103; } /* 'o' */
/* Slice the string slice */
var sub: []u8 = s[1..4];
if sub.len != 3 { ret 104; }
if sub[0] != 101 { ret 105; } /* 'e' */
if sub[2] != 108 { ret 106; } /* 'l' */
/* Modify through slice → original changes */
s[0] = 72; /* 'H' */
if data[0] != 72 { ret 107; }
/* Full slice */
var full: []u8 = s[0..];
if full.len != 5 { ret 108; }
if full[0] != 72 { ret 109; }
/* Construct slice from pointer via field assignment */
var s2: []u8;
s2.ptr = data;
s2.len = 3;
if s2.len != 3 { ret 110; }
if s2[0] != 72 { ret 111; }
ret 0;
}
fn main() i32 {
/* ============================
* Part 1: 多维数组（逐元素初始化）
* ============================ */
var matrix: [2][3]i32;
matrix[0][0] = 1; matrix[0][1] = 2; matrix[0][2] = 3;
matrix[1][0] = 4; matrix[1][1] = 5; matrix[1][2] = 6;
if matrix[0][0] != 1 { ret 1; }
if matrix[0][1] != 2 { ret 2; }
if matrix[0][2] != 3 { ret 3; }
if matrix[1][0] != 4 { ret 4; }
if matrix[1][1] != 5 { ret 5; }
if matrix[1][2] != 6 { ret 6; }
/* 元素修改 */
matrix[0][0] = 10;
matrix[1][2] = 60;
if matrix[0][0] != 10 { ret 7; }
if matrix[1][2] != 60 { ret 8; }
/* ============================
* Part 2: 嵌套循环遍历多维数组
* ============================ */
var big: [3][4]i32;
big[0][0] = 1; big[0][1] = 2; big[0][2] = 3; big[0][3] = 4;
big[1][0] = 5; big[1][1] = 6; big[1][2] = 7; big[1][3] = 8;
big[2][0] = 9; big[2][1] = 10; big[2][2] = 11; big[2][3] = 12;
var total: i32 = 0;
var i: i32 = 0;
while i < 3 {
var j: i32 = 0;
while j < 4 {
total = total + big[i][j];
j = j + 1;
}
i = i + 1;
}
if total != 78 { ret 9; }
/* ============================
* Part 3: &取地址 + 扁平指针访问
* ============================ */
var flat: *i32 = &matrix[0][0];
if flat[0] != 10 { ret 10; }
if flat[1] != 2 { ret 11; }
if flat[2] != 3 { ret 12; }
if flat[3] != 4 { ret 13; }
if flat[4] != 5 { ret 14; }
if flat[5] != 60 { ret 15; }
/* ============================
* Part 4: 多维数组切片
* ============================ */
var row: []i32 = matrix[0][0..3];
if row.len != 3 { ret 16; }
if row[0] != 10 { ret 17; }
if row[1] != 2 { ret 18; }
if row[2] != 3 { ret 19; }
/* 切取第二行 */
var row2: []i32 = matrix[1][0..];
if row2.len != 3 { ret 20; }
if row2[0] != 4 { ret 21; }
if row2[2] != 60 { ret 22; }
/* ============================
* Part 5: 切片的切片
* ============================ */
var sub: []i32 = row[1..3];
if sub.len != 2 { ret 23; }
if sub[0] != 2 { ret 24; }
if sub[1] != 3 { ret 25; }
/* ============================
* Part 6: 切片字段读写
* ============================ */
var arr: [4]i32;
arr[0] = 100; arr[1] = 200; arr[2] = 300; arr[3] = 400;
var custom: []i32;
custom.ptr = &arr[1];
custom.len = 2;
if custom.len != 2 { ret 26; }
if custom[0] != 200 { ret 27; }
if custom[1] != 300 { ret 28; }
/* 修改切片长度 */
custom.len = 3;
if custom.len != 3 { ret 29; }
if custom[2] != 400 { ret 30; }
/* ============================
* Part 7: 空范围 / 全切片
* ============================ */
var full: []i32 = arr[0..];
if full.len != 4 { ret 31; }
if full[0] != 100 { ret 32; }
if full[3] != 400 { ret 33; }
/* ============================
* Part 8: 从指针构造切片
* ============================ */
var data: [5]i32;
data[0] = 10; data[1] = 20; data[2] = 30; data[3] = 40; data[4] = 50;
var p: *i32 = &data[2];
var from_ptr: []i32 = { .ptr = p, .len = 2 };
var from_ptr2: []i32;
from_ptr2.ptr = p;
from_ptr2.len = 2;
if from_ptr.len != 2 { ret 34; }
if from_ptr[0] != 30 { ret 35; }
if from_ptr[1] != 40 { ret 36; }
if from_ptr2.len != 2 { ret 37; }
if from_ptr2[0] != 30 { ret 38; }
if from_ptr2[1] != 40 { ret 39; }
/* ============================
* Part 9: 切片元素修改反映到原始数组
* ============================ */
row2[0] = 99;
if matrix[1][0] != 99 { ret 40; }
/* ============================
* Part 10: 1D 数组字面量仍然正常
* ============================ */
var literal: [3]i32 = [3]i32{10, 20, 30};
if literal[0] != 10 { ret 41; }
if literal[1] != 20 { ret 42; }
if literal[2] != 30 { ret 43; }
/* ============================
* Part 11: 字符串切片测试
* ============================ */
var r: i32 = test_string();
if r != 0 { ret r; }
ret 0;
}