Error on unknown simple value am: bdc577b46b am: 07613905aa am: 09e3750c14

Original change: https://android-review.googlesource.com/c/platform/external/libcppbor/+/1658065

Change-Id: Ifad4b06d9fa793eb17df193ec39497a1f9ccad30

2 files changed, 21 insertions, 0 deletions

diff --git a/src/cppbor_parse.cpp b/src/cppbor_parse.cpp
index fcf0dac..ab01ee7 100644
--- a/src/cppbor_parse.cpp
+++ b/src/cppbor_parse.cpp
@@ -275,6 +275,9 @@ std::tuple<const uint8_t*, ParseClient*> parseRecursively(const uint8_t* begin,
                     return handleBool(addlData, begin, pos, parseClient);
                 case NULL_V:
                     return handleNull(begin, pos, parseClient);
+                default:
+                    parseClient->error(begin, "Unsupported floating-point or simple value.");
+                    return {begin, nullptr};
             }
     }
     CHECK(false);  // Impossible to get here.
diff --git a/tests/cppbor_test.cpp b/tests/cppbor_test.cpp
index ef98519..ebdcc02 100644
--- a/tests/cppbor_test.cpp
+++ b/tests/cppbor_test.cpp
@@ -1734,6 +1734,24 @@ TEST(FullParserTest, IndefiniteArray) {
               message);
 }
 
+TEST(FullParserTest, UnassignedSimpleValue) {
+    vector<uint8_t> unassignedSimpleValue = {0xE5};
+
+    auto [item, pos, message] = parse(unassignedSimpleValue);
+    EXPECT_THAT(item, IsNull());
+    EXPECT_EQ(pos, unassignedSimpleValue.data());
+    EXPECT_EQ("Unsupported floating-point or simple value.", message);
+}
+
+TEST(FullParserTest, FloatingPointValue) {
+    vector<uint8_t> floatingPointValue = {0xFA, 0x12, 0x75, 0x34, 0x37};
+
+    auto [item, pos, message] = parse(floatingPointValue);
+    EXPECT_THAT(item, IsNull());
+    EXPECT_EQ(pos, floatingPointValue.data());
+    EXPECT_EQ("Unsupported floating-point or simple value.", message);
+}
+
 TEST(MapGetValueByKeyTest, Map) {
     Array compoundItem(1, 2, 3, 4, 5, Map(4, 5, "a", "b"));
     auto clone = compoundItem.clone();