From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:45:59 +0200
Subject: Adding upstream version 16.2.11+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/rapidjson/test/unittest/dtoatest.cpp | 98 ++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 src/rapidjson/test/unittest/dtoatest.cpp

(limited to 'src/rapidjson/test/unittest/dtoatest.cpp')

diff --git a/src/rapidjson/test/unittest/dtoatest.cpp b/src/rapidjson/test/unittest/dtoatest.cpp
new file mode 100644
index 000000000..afd76eb09
--- /dev/null
+++ b/src/rapidjson/test/unittest/dtoatest.cpp
@@ -0,0 +1,98 @@
+// Tencent is pleased to support the open source community by making RapidJSON available.
+// 
+// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
+//
+// Licensed under the MIT License (the "License"); you may not use this file except
+// in compliance with the License. You may obtain a copy of the License at
+//
+// http://opensource.org/licenses/MIT
+//
+// Unless required by applicable law or agreed to in writing, software distributed 
+// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 
+// CONDITIONS OF ANY KIND, either express or implied. See the License for the 
+// specific language governing permissions and limitations under the License.
+
+#include "unittest.h"
+#include "rapidjson/internal/dtoa.h"
+
+#ifdef __GNUC__
+RAPIDJSON_DIAG_PUSH
+RAPIDJSON_DIAG_OFF(type-limits)
+#endif
+
+using namespace rapidjson::internal;
+
+TEST(dtoa, normal) {
+    char buffer[30];
+
+#define TEST_DTOA(d, a)\
+    *dtoa(d, buffer) = '\0';\
+    EXPECT_STREQ(a, buffer)
+
+    TEST_DTOA(0.0, "0.0");
+    TEST_DTOA(-0.0, "-0.0");
+    TEST_DTOA(1.0, "1.0");
+    TEST_DTOA(-1.0, "-1.0");
+    TEST_DTOA(1.2345, "1.2345");
+    TEST_DTOA(1.2345678, "1.2345678");
+    TEST_DTOA(0.123456789012, "0.123456789012");
+    TEST_DTOA(1234567.8, "1234567.8");
+    TEST_DTOA(-79.39773355813419, "-79.39773355813419");
+    TEST_DTOA(0.000001, "0.000001");
+    TEST_DTOA(0.0000001, "1e-7");
+    TEST_DTOA(1e30, "1e30");
+    TEST_DTOA(1.234567890123456e30, "1.234567890123456e30");
+    TEST_DTOA(5e-324, "5e-324"); // Min subnormal positive double
+    TEST_DTOA(2.225073858507201e-308, "2.225073858507201e-308"); // Max subnormal positive double
+    TEST_DTOA(2.2250738585072014e-308, "2.2250738585072014e-308"); // Min normal positive double
+    TEST_DTOA(1.7976931348623157e308, "1.7976931348623157e308"); // Max double
+
+#undef TEST_DTOA
+}
+
+TEST(dtoa, maxDecimalPlaces) {
+    char buffer[30];
+
+#define TEST_DTOA(m, d, a)\
+    *dtoa(d, buffer, m) = '\0';\
+    EXPECT_STREQ(a, buffer)
+
+    TEST_DTOA(3, 0.0, "0.0");
+    TEST_DTOA(1, 0.0, "0.0");
+    TEST_DTOA(3, -0.0, "-0.0");
+    TEST_DTOA(3, 1.0, "1.0");
+    TEST_DTOA(3, -1.0, "-1.0");
+    TEST_DTOA(3, 1.2345, "1.234");
+    TEST_DTOA(2, 1.2345, "1.23");
+    TEST_DTOA(1, 1.2345, "1.2");
+    TEST_DTOA(3, 1.2345678, "1.234");
+    TEST_DTOA(3, 1.0001, "1.0");
+    TEST_DTOA(2, 1.0001, "1.0");
+    TEST_DTOA(1, 1.0001, "1.0");
+    TEST_DTOA(3, 0.123456789012, "0.123");
+    TEST_DTOA(2, 0.123456789012, "0.12");
+    TEST_DTOA(1, 0.123456789012, "0.1");
+    TEST_DTOA(4, 0.0001, "0.0001");
+    TEST_DTOA(3, 0.0001, "0.0");
+    TEST_DTOA(2, 0.0001, "0.0");
+    TEST_DTOA(1, 0.0001, "0.0");
+    TEST_DTOA(3, 1234567.8, "1234567.8");
+    TEST_DTOA(3, 1e30, "1e30");
+    TEST_DTOA(3, 5e-324, "0.0"); // Min subnormal positive double
+    TEST_DTOA(3, 2.225073858507201e-308, "0.0"); // Max subnormal positive double
+    TEST_DTOA(3, 2.2250738585072014e-308, "0.0"); // Min normal positive double
+    TEST_DTOA(3, 1.7976931348623157e308, "1.7976931348623157e308"); // Max double
+    TEST_DTOA(5, -0.14000000000000001, "-0.14");
+    TEST_DTOA(4, -0.14000000000000001, "-0.14");
+    TEST_DTOA(3, -0.14000000000000001, "-0.14");
+    TEST_DTOA(3, -0.10000000000000001, "-0.1");
+    TEST_DTOA(2, -0.10000000000000001, "-0.1");
+    TEST_DTOA(1, -0.10000000000000001, "-0.1");
+
+#undef TEST_DTOA
+}
+
+
+#ifdef __GNUC__
+RAPIDJSON_DIAG_POP
+#endif
-- 
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