12 files changed, 143 insertions, 0 deletions
diff --git a/tests/test_cases/cflags/TARGETS b/tests/test_cases/cflags/TARGETS
new file mode 100644
index 0000000..44c99f1
--- /dev/null
+++ b/tests/test_cases/cflags/TARGETS
@@ -0,0 +1,19 @@
+{ "public":
+  { "type": ["test_rules", "test_case"]
+  , "name": ["cflags_public"]
+  , "targets":
+    [ "+main_use_half3"
+    , "+test_use_half3"
+    , "+main_use_half3f"
+    , "+test_use_half3f"
+    ]
+  , "asserts":
+    [ "./main_use_half3/main_use_half3 | grep 1.5"
+    , "[ \"$(cat ./test_use_half3/result)\" = \"PASS\" ]"
+    , "./main_use_half3f/main_use_half3f | grep 1.5"
+    , "[ \"$(cat ./test_use_half3f/result)\" = \"PASS\" ]"
+    ]
+  , "data": [["TREE", null, "public"]]
+  }
+, "ALL": {"type": "install", "deps": ["public"], "tainted": ["test"]}
+}
diff --git a/tests/test_cases/cflags/public/TARGETS b/tests/test_cases/cflags/public/TARGETS
new file mode 100644
index 0000000..79aadb3
--- /dev/null
+++ b/tests/test_cases/cflags/public/TARGETS
@@ -0,0 +1,49 @@
+{ "half":
+  { "type": ["@", "rules", "CC", "library"]
+  , "name": ["half"]
+  , "hdrs": ["half.hpp"]
+  , "srcs": ["half.cpp"]
+  , "cflags": ["-DHALF_PRECISION_DOUBLE"]
+  , "stage": ["half"]
+  }
+, "half3":
+  { "type": ["@", "rules", "CC", "library"]
+  , "name": ["half3"]
+  , "hdrs": ["half3.hpp"]
+  , "srcs": ["half3.cpp"]
+  , "deps": ["half"]
+  , "stage": ["half3"]
+  }
+, "half3f":
+  { "type": ["@", "rules", "CC", "library"]
+  , "name": ["half3f"]
+  , "hdrs": ["half3f.hpp"]
+  , "srcs": ["half3f.cpp"]
+  , "private-deps": ["half3"]
+  , "stage": ["half3f"]
+  }
+, "main_use_half3":
+  { "type": ["@", "rules", "CC", "binary"]
+  , "name": ["main_use_half3"]
+  , "srcs": ["main_use_half3.cpp"]
+  , "private-deps": ["half3"]
+  }
+, "test_use_half3":
+  { "type": ["@", "rules", "CC/test", "test"]
+  , "name": ["test_use_half3"]
+  , "srcs": ["test_use_half3.cpp"]
+  , "private-deps": ["half3"]
+  }
+, "main_use_half3f":
+  { "type": ["@", "rules", "CC", "binary"]
+  , "name": ["main_use_half3f"]
+  , "srcs": ["main_use_half3f.cpp"]
+  , "private-deps": ["half3f"]
+  }
+, "test_use_half3f":
+  { "type": ["@", "rules", "CC/test", "test"]
+  , "name": ["test_use_half3f"]
+  , "srcs": ["test_use_half3f.cpp"]
+  , "private-deps": ["half3f"]
+  }
+}
diff --git a/tests/test_cases/cflags/public/half.cpp b/tests/test_cases/cflags/public/half.cpp
new file mode 100644
index 0000000..e26ff6e
--- /dev/null
+++ b/tests/test_cases/cflags/public/half.cpp
@@ -0,0 +1,5 @@
+#include "half.hpp"
+
+HALF_RESULT_TYPE half(int val) {
+  return static_cast<HALF_RESULT_TYPE>(val / 2.0);
+}
diff --git a/tests/test_cases/cflags/public/half.hpp b/tests/test_cases/cflags/public/half.hpp
new file mode 100644
index 0000000..0baebcb
--- /dev/null
+++ b/tests/test_cases/cflags/public/half.hpp
@@ -0,0 +1,12 @@
+#ifndef HALF_HPP
+#define HALF_HPP
+
+#ifdef HALF_PRECISION_DOUBLE
+#define HALF_RESULT_TYPE double
+#else
+#define HALF_RESULT_TYPE int
+#endif
+
+HALF_RESULT_TYPE half(int val);
+
+#endif
diff --git a/tests/test_cases/cflags/public/half3.cpp b/tests/test_cases/cflags/public/half3.cpp
new file mode 100644
index 0000000..484f7f8
--- /dev/null
+++ b/tests/test_cases/cflags/public/half3.cpp
@@ -0,0 +1,3 @@
+#include "half3.hpp"
+
+HALF_RESULT_TYPE half3() { return half(3); }
diff --git a/tests/test_cases/cflags/public/half3.hpp b/tests/test_cases/cflags/public/half3.hpp
new file mode 100644
index 0000000..271ed68
--- /dev/null
+++ b/tests/test_cases/cflags/public/half3.hpp
@@ -0,0 +1,8 @@
+#ifndef HALF3_HPP
+#define HALF3_HPP
+
+#include "half/half.hpp"
+
+HALF_RESULT_TYPE half3();
+
+#endif
diff --git a/tests/test_cases/cflags/public/half3f.cpp b/tests/test_cases/cflags/public/half3f.cpp
new file mode 100644
index 0000000..88b6d55
--- /dev/null
+++ b/tests/test_cases/cflags/public/half3f.cpp
@@ -0,0 +1,7 @@
+#include "half3/half3.hpp"
+
+#ifndef HALF_PRECISION_DOUBLE
+#error should be defined
+#endif
+
+float half3f() { return static_cast<float>(half3()); }
diff --git a/tests/test_cases/cflags/public/half3f.hpp b/tests/test_cases/cflags/public/half3f.hpp
new file mode 100644
index 0000000..1207f63
--- /dev/null
+++ b/tests/test_cases/cflags/public/half3f.hpp
@@ -0,0 +1,6 @@
+#ifndef BAZ_HPP
+#define BAZ_HPP
+
+float half3f();
+
+#endif
diff --git a/tests/test_cases/cflags/public/main_use_half3.cpp b/tests/test_cases/cflags/public/main_use_half3.cpp
new file mode 100644
index 0000000..1c9d6ba
--- /dev/null
+++ b/tests/test_cases/cflags/public/main_use_half3.cpp
@@ -0,0 +1,7 @@
+#include "half3/half3.hpp"
+#include <iostream>
+
+int main() {
+  std::cout << half3() << std::endl;
+  return 0;
+}
diff --git a/tests/test_cases/cflags/public/main_use_half3f.cpp b/tests/test_cases/cflags/public/main_use_half3f.cpp
new file mode 100644
index 0000000..3e855cd
--- /dev/null
+++ b/tests/test_cases/cflags/public/main_use_half3f.cpp
@@ -0,0 +1,11 @@
+#include "half3f/half3f.hpp"
+#include <iostream>
+
+#ifdef HALF_PRECISION_DOUBLE
+#error should not be defined
+#endif
+
+int main() {
+  std::cout << half3f() << std::endl;
+  return 0;
+}
diff --git a/tests/test_cases/cflags/public/test_use_half3.cpp b/tests/test_cases/cflags/public/test_use_half3.cpp
new file mode 100644
index 0000000..1cf50ad
--- /dev/null
+++ b/tests/test_cases/cflags/public/test_use_half3.cpp
@@ -0,0 +1,6 @@
+#include "half3/half3.hpp"
+
+int main() {
+  auto result = half3();
+  return result > 1 and result < 2 ? 0 : 1;
+}
diff --git a/tests/test_cases/cflags/public/test_use_half3f.cpp b/tests/test_cases/cflags/public/test_use_half3f.cpp
new file mode 100644
index 0000000..078e69c
--- /dev/null
+++ b/tests/test_cases/cflags/public/test_use_half3f.cpp
@@ -0,0 +1,10 @@
+#include "half3f/half3f.hpp"
+
+#ifdef HALF_PRECISION_DOUBLE
+#error should not be defined
+#endif
+
+int main() {
+  auto result = half3f();
+  return result > 1 and result < 2 ? 0 : 1;
+}