Param_TEST: test parsing +Inf and -Inf

Signed-off-by: Steve Peters <[email protected]>
scpeters · May 18, 2020 · 404a32f · 404a32f
1 parent e33839f
commit 404a32f
Showing 1 changed file with 38 additions and 1 deletion.
diff --git a/src/Param_TEST.cc b/src/Param_TEST.cc
@@ -17,6 +17,7 @@
 
 #include <any>
 #include <cstdint>
+#include <limits>
 
 #include <gtest/gtest.h>
 
@@ -25,7 +26,7 @@
 #include "sdf/Exception.hh"
 #include "sdf/Param.hh"
 
-bool check_double(std::string num)
+bool check_double(const std::string &num)
 {
   const std::string name = "number";
   const std::string type = "double";
@@ -100,6 +101,42 @@ TEST(SetFromString, Decimals)
   ASSERT_TRUE(check_double("0.2345"));
 }
 
+////////////////////////////////////////////////////
+/// Test Inf
+TEST(SetFromString, DoublePositiveInf)
+{
+  ASSERT_TRUE(std::numeric_limits<double>::has_infinity);
+  std::vector<std::string> positiveInfStrings{
+    "inf", "Inf", "INF", "+inf", "+Inf", "+INF"};
+  for (const auto &infString : positiveInfStrings)
+  {
+    sdf::Param doubleParam("key", "double", "0", false, "description");
+    double value = 0.;
+
+    EXPECT_TRUE(doubleParam.SetFromString(infString));
+    doubleParam.Get<double>(value);
+    EXPECT_DOUBLE_EQ(std::numeric_limits<double>::infinity(), value);
+  }
+}
+
+////////////////////////////////////////////////////
+/// Test -Inf
+TEST(SetFromString, DoubleNegativeInf)
+{
+  ASSERT_TRUE(std::numeric_limits<double>::is_iec559);
+  std::vector<std::string> negativeInfStrings{
+    "-inf", "-Inf", "-INF"};
+  for (const auto &infString : negativeInfStrings)
+  {
+    sdf::Param doubleParam("key", "double", "0", false, "description");
+    double value = 0.;
+
+    EXPECT_TRUE(doubleParam.SetFromString(infString));
+    doubleParam.Get<double>(value);
+    EXPECT_DOUBLE_EQ(- std::numeric_limits<double>::infinity(), value);
+  }
+}
+
 ////////////////////////////////////////////////////
 /// Test setting and reading hex int values.
 TEST(Param, HexInt)