From daab699f1f74bc96678dd41853701c3b8fdf5ab1 Mon Sep 17 00:00:00 2001
From: Greg Shuflin <greg.shuflin@protonmail.com>
Date: Sun, 4 Dec 2022 00:22:33 -0800
Subject: [PATCH] Proptest: doesn't crash

---
 tests/json_parser.rs | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/tests/json_parser.rs b/tests/json_parser.rs
index 0b598f7..25b36e3 100644
--- a/tests/json_parser.rs
+++ b/tests/json_parser.rs
@@ -4,6 +4,15 @@ use parser_combinator::primitives::{any_char, literal, literal_char, one_of, pre
 use parser_combinator::sequence::seq;
 use parser_combinator::Parser;
 
+use proptest::prelude::*;
+
+proptest! {
+    #[test]
+    fn doesnt_crash(s in "\\PC*") {
+        let _output = json_object().parse(&s);
+    }
+}
+
 #[test]
 fn test_parsing() {
     let output = literal("a")("a yolo");
@@ -41,7 +50,7 @@ fn json_bool<'a>() -> impl JsonParser<'a, JsonValue> {
     ))
 }
 
-fn json_number() -> impl JsonParser<'static, JsonValue> {
+fn json_number<'a>() -> impl JsonParser<'a, JsonValue> {
     let digit = || one_of("1234567890");
     let digits = || repeated(digit()).at_least(1);
 
@@ -74,7 +83,7 @@ fn json_number() -> impl JsonParser<'static, JsonValue> {
         })
 }
 
-fn json_string_raw() -> impl JsonParser<'static, String> {
+fn json_string_raw<'a>() -> impl JsonParser<'a, String> {
     seq((
         literal_char('"'),
         repeated(pred(any_char, |ch| *ch != '"')),
@@ -83,11 +92,11 @@ fn json_string_raw() -> impl JsonParser<'static, String> {
     .map(|(_, s, _)| s.iter().cloned().collect::<String>())
 }
 
-fn json_string() -> impl JsonParser<'static, JsonValue> {
+fn json_string<'a>() -> impl JsonParser<'a, JsonValue> {
     json_string_raw().map(JsonValue::Str)
 }
 
-fn whitespace() -> impl JsonParser<'static, ()> {
+fn whitespace<'a>() -> impl JsonParser<'a, ()> {
     repeated(choice((
         literal_char('\t'),
         literal_char('\n'),
@@ -96,7 +105,7 @@ fn whitespace() -> impl JsonParser<'static, ()> {
     .to(())
 }
 
-fn json_array() -> impl JsonParser<'static, JsonValue> {
+fn json_array<'a>() -> impl JsonParser<'a, JsonValue> {
     move |input| {
         let val = json_value().surrounded_by(whitespace());
 
@@ -108,7 +117,7 @@ fn json_array() -> impl JsonParser<'static, JsonValue> {
     }
 }
 
-fn json_object() -> impl JsonParser<'static, JsonValue> {
+fn json_object<'a>() -> impl JsonParser<'a, JsonValue> {
     move |input| {
         let kv = json_string_raw()
             .surrounded_by(whitespace())
@@ -123,7 +132,7 @@ fn json_object() -> impl JsonParser<'static, JsonValue> {
     }
 }
 
-fn json_value() -> impl JsonParser<'static, JsonValue> {
+fn json_value<'a>() -> impl JsonParser<'a, JsonValue> {
     choice((
         json_null(),
         json_bool(),