1 files changed, 4 insertions, 2 deletions
diff --git a/tests/drivers/lsp_sandbox.js b/tests/drivers/lsp_sandbox.js
index 14bc1e3..41523cc 100644
--- a/tests/drivers/lsp_sandbox.js
+++ b/tests/drivers/lsp_sandbox.js
@@ -2,10 +2,12 @@
 // (immediate functions). the server must not let that code write files, so a file that
 // tries to leaves nothing behind and the server still answers.
 // usage: node tests/drivers/lsp_sandbox.js path/to/zclsp
+// interpreted hosts (no jit) are far slower; ZC_TEST_TIMEOUT_SCALE stretches every deadline
+const TIMEOUT_SCALE = Number(process.env.ZC_TEST_TIMEOUT_SCALE) || 1;
 const cp = require('child_process'), fs = require('fs'), os = require('os'), path = require('path');
 const target = path.join(os.tmpdir(), 'zc-sandbox-' + process.pid);
 try { fs.unlinkSync(target); } catch (e) {}
-const src = 'immediate fn evil() { let fd = syscall(1, "' + target + '", 1, 0); syscall(4, fd, 65, 1); syscall(2, fd, 0, 0); return 0; }\nevil\nfn main() { return 0; }\n';
+const src = 'include rt, run;\nimmediate fn evil() { run.next(); let fd = rt.syscall(1, "' + target + '", 1, 0); rt.syscall(4, fd, 65, 1); rt.syscall(2, fd, 0, 0); return 0; }\nevil\nfn main() { return 0; }\n';
 const frame = m => { const b = Buffer.from(JSON.stringify(m)); return Buffer.concat([Buffer.from('Content-Length: ' + b.length + '\r\n\r\n'), b]); };
 const input = Buffer.concat([
 	frame({ jsonrpc: '2.0', id: 1, method: 'initialize', params: { processId: 1, capabilities: {} } }),
@@ -13,7 +15,7 @@ const input = Buffer.concat([
 	frame({ jsonrpc: '2.0', id: 3, method: 'textDocument/semanticTokens/full', params: { textDocument: { uri: 'file:///evil.zc' } } }),
 	frame({ jsonrpc: '2.0', method: 'exit' }),
 ]);
-const r = cp.spawnSync(process.argv[2], [], { input, timeout: 20000 });
+const r = cp.spawnSync(process.argv[2], [], { input, timeout: 20000 * TIMEOUT_SCALE });
 const wrote = fs.existsSync(target);
 if (wrote) fs.unlinkSync(target);
 const answered = r.stdout && r.stdout.includes('"id":3');