Prevent segfault when eval throws an error (#1411)

1 files changed, 15 insertions, 0 deletions

diff --git a/libdeno/libdeno_test.cc b/libdeno/libdeno_test.cc
index 6ee8979ee..5a4a93077 100644
--- a/libdeno/libdeno_test.cc
+++ b/libdeno/libdeno_test.cc
@@ -236,6 +236,21 @@ TEST(LibDenoTest, LastException) {
   deno_delete(d);
 }
 
+TEST(LibDenoTest, EncodeErrorBug) {
+  Deno* d = deno_new(deno_config{0, empty, empty, nullptr, nullptr});
+  EXPECT_EQ(deno_last_exception(d), nullptr);
+  EXPECT_FALSE(deno_execute(d, nullptr, "a.js", "eval('a')"));
+  EXPECT_STREQ(deno_last_exception(d),
+               "{\"message\":\"ReferenceError: a is not defined\","
+               "\"frames\":[{\"line\":1,\"column\":1,"
+               "\"functionName\":\"\",\"scriptName\":\"<unknown>\","
+               "\"isEval\":true,"
+               "\"isConstructor\":false,\"isWasm\":false},{\"line\":1,"
+               "\"column\":1,\"functionName\":\"\",\"scriptName\":\"a.js\","
+               "\"isEval\":false,\"isConstructor\":false,\"isWasm\":false}]}");
+  deno_delete(d);
+}
+
 TEST(LibDenoTest, Shared) {
   uint8_t s[] = {0, 1, 2};
   deno_buf shared = {nullptr, 0, s, 3};