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26  */
27 
28 #include "upb/json/decode.h"
29 
30 #include "google/protobuf/struct.upb.h"
31 #include "gtest/gtest.h"
32 #include "upb/json/test.upb.h"
33 #include "upb/json/test.upbdefs.h"
34 #include "upb/reflection/def.hpp"
35 #include "upb/upb.hpp"
36 
JsonDecode(const char * json,upb_Arena * a)37 static upb_test_Box* JsonDecode(const char* json, upb_Arena* a) {
38   upb::Status status;
39   upb::DefPool defpool;
40   upb::MessageDefPtr m(upb_test_Box_getmsgdef(defpool.ptr()));
41   EXPECT_TRUE(m.ptr() != nullptr);
42 
43   upb_test_Box* box = upb_test_Box_new(a);
44   int options = 0;
45   bool ok = upb_JsonDecode(json, strlen(json), box, m.ptr(), defpool.ptr(),
46                            options, a, status.ptr());
47   return ok ? box : nullptr;
48 }
49 
50 struct FloatTest {
51   const std::string json;
52   float f;
53 };
54 
55 static const std::vector<FloatTest> FloatTestsPass = {
56     {R"({"f": 0})", 0},
57     {R"({"f": 1})", 1},
58     {R"({"f": 1.000000})", 1},
59     {R"({"f": 1.5e1})", 15},
60     {R"({"f": 15e-1})", 1.5},
61     {R"({"f": -3.5})", -3.5},
62     {R"({"f": 3.402823e38})", 3.402823e38},
63     {R"({"f": -3.402823e38})", -3.402823e38},
64     {R"({"f": 340282346638528859811704183484516925440.0})",
65      340282346638528859811704183484516925440.0},
66     {R"({"f": -340282346638528859811704183484516925440.0})",
67      -340282346638528859811704183484516925440.0},
68 };
69 
70 static const std::vector<FloatTest> FloatTestsFail = {
71     {R"({"f": 1z})", 0},
72     {R"({"f": 3.4028236e+38})", 0},
73     {R"({"f": -3.4028236e+38})", 0},
74 };
75 
76 // Decode some floats.
TEST(JsonTest,DecodeFloats)77 TEST(JsonTest, DecodeFloats) {
78   upb::Arena a;
79 
80   for (const auto& test : FloatTestsPass) {
81     upb_test_Box* box = JsonDecode(test.json.c_str(), a.ptr());
82     EXPECT_NE(box, nullptr);
83     float f = upb_test_Box_f(box);
84     EXPECT_EQ(f, test.f);
85   }
86 
87   for (const auto& test : FloatTestsFail) {
88     upb_test_Box* box = JsonDecode(test.json.c_str(), a.ptr());
89     EXPECT_EQ(box, nullptr);
90   }
91 }
92