diff --git a/sample_parser/src/json_schema_testsuite.rs b/sample_parser/src/json_schema_testsuite.rs
index 6ac00b5..4bc5921 100644
--- a/sample_parser/src/json_schema_testsuite.rs
+++ b/sample_parser/src/json_schema_testsuite.rs
@@ -6,7 +6,7 @@ use llguidance::{
     Constraint, JsonCompileOptions, TokenParser,
 };
 use serde::{Deserialize, Serialize};
-use serde_json::Value;
+use serde_json::{json, Value};
 use std::{env, fs::File, io::Read, time::Duration, vec};
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -23,6 +23,29 @@ struct JsonTestSequence {
     valid: bool,
 }
 
+fn round_float_to_int(v: &Value) -> Value {
+    match v {
+        Value::Number(q) => {
+            if let Some(n) = q.as_f64() {
+                if n.floor() == n {
+                    json!(n as i64)
+                } else {
+                    v.clone()
+                }
+            } else {
+                v.clone()
+            }
+        }
+        Value::Array(a) => Value::Array(a.iter().map(round_float_to_int).collect()),
+        Value::Object(o) => Value::Object(
+            o.iter()
+                .map(|(k, v)| (k.clone(), round_float_to_int(v)))
+                .collect(),
+        ),
+        _ => v.clone(),
+    }
+}
+
 impl JsonTestSequence {
     fn run_for(
         &self,
@@ -45,7 +68,7 @@ impl JsonTestSequence {
                 if self.valid {
                     bail!("premature stop in valid test");
                 } else {
-                    bail!("premature stop in invalid test"); // ??
+                    return Ok(());
                 }
             }
 
@@ -103,10 +126,12 @@ impl JsonTestSequence {
                 bail!("unexpected end of test");
             }
         } else {
-            bail!(
-                "unexpected end of test for invalid test (accept={})",
-                accept
-            );
+            if accept {
+                bail!("unexpected end of test for invalid test (accept)");
+            } else {
+                // this is in fact correct - we forced EOS
+                Ok(())
+            }
         }
     }
 
@@ -129,7 +154,7 @@ impl JsonTestSequence {
         )?;
         let constraint = Constraint::new(parser);
 
-        let obj_str = serde_json::to_string_pretty(&self.data).unwrap();
+        let obj_str = serde_json::to_string_pretty(&round_float_to_int(&self.data)).unwrap();
         match self.run_for(stats, &obj_str, tok_env, constraint) {
             Ok(_) => Ok(()),
             Err(e) => {