diff options
Diffstat (limited to 'tests/drivers/storage_analysis_test.js')
| -rw-r--r-- | tests/drivers/storage_analysis_test.js | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/tests/drivers/storage_analysis_test.js b/tests/drivers/storage_analysis_test.js index da967f5..774fa89 100644 --- a/tests/drivers/storage_analysis_test.js +++ b/tests/drivers/storage_analysis_test.js @@ -26,7 +26,7 @@ function check(text, needle) { return { diagnostics, warnings: diagnostics.filter(d => d.severity === 2), hover: replies.find(m => m.id === 2)?.result?.contents?.value }; } const prefix = 'unchecked fn main() {\n'; -for (const [type, length] of [['int', 3], ['u8', 3], ['fixed []int', 3], ['[]u8', 3]]) { +for (const [type, length] of [['int', 3], ['u8', 3], ['fixed int[?]', 3], ['u8[?]', 3]]) { const r = check(prefix + ` let p = new(${type}, ${length});\n let alias = p;\n return alias[${length}];\n}\n`, 'alias['); assert.strictEqual(r.warnings.length, 1, JSON.stringify(r.diagnostics)); assert.match(r.warnings[0].message, /out-of-bounds.*index 3.*length 3/); @@ -56,16 +56,21 @@ const safe = [ prefix + ' let p = new(int, 50); return p[300 as u8]; }', prefix + ' let p = new(int, 3); let q = p; q[2] = 7; free(p); return 0; }', prefix + ' let p = new(3); free(p); p = new(3); return p[0]; }', - 'fn unknown(int* p) {}\n' + prefix + ' let p = new(int, 3); unknown(p); return p[9]; }', + 'unchecked fn unknown(int* p) {}\n' + prefix + ' let p = new(int, 3); unknown(p); return p[9]; }', 'fn maybe(int n) { return n; }\n' + prefix + ' let p = new(int, 3); return p[maybe(9)]; }', prefix + ' let p = new(int, 3); if (1) free(p); return p[0]; }', prefix + ' let p = new(int, 3); while (0) free(p); return p[0]; }', prefix + ' let p = new(int, 3); let f = fn() { free(p); return 0; }; return p[0]; }', - prefix + ' let p = new([]int, 0); push(p, 9); return p[0]; }', + prefix + ' let p = new(int[?], 0); push(p, 9); return p[0]; }', ]; for (const source of safe) assert.deepStrictEqual(check(source).warnings, [], source); +const preserved = check('int read(int* p) { return p[0]; }\n' + prefix + ' let p = new(int, 3); read(p); return p[9]; }'); +assert.match(preserved.warnings[0]?.message || '', /index 9.*length 3/); const unknown = check('int read(int* p) { return p[0]; }\nfn main() { int n = 1; return read(&n); }\n', 'p['); assert.match(unknown.hover, /size: unknown.*lifetime: unknown/); const stack = check('fn main() { let a[3]; return a[2]; }\n', 'a['); assert.match(stack.hover, /size: 3 elements.*lifetime: stack storage/); +const replacement = check('fn main() {\n let owner = new(1), replacement = new(2);\n free(owner); owner = replacement;\n return owner[0];\n}\n', 'replacement;'); +assert.ok(!replacement.diagnostics.some(d => d.severity === 1), JSON.stringify(replacement.diagnostics)); +assert.match(replacement.hover, /moved: replaces a released owner in `owner` on line 3/); console.log('ok definite bounds, free and scope lifetimes, alias hovers, and conservative unknown cases'); |
