Add tests and executables

Author: tkoskela

fpm.toml

@@ -1,12 +1,33 @@
-name = "poisson"
+name = "Fortran-tooling"
 version = "0.1.0"
 license = "MIT"
 author = "Connor Aird, Mashy Green, Duncan Leggat, Ilektra Christidi, Tuomas Koskela"
 maintainer = "[email protected]"
 copyright = "Copyright 2025, UCL ARC"
+
 [build]
 auto-executables = true
 auto-tests = true
 auto-examples = true
+
 [install]
 library = false
+
+[dev-dependencies]
+test-drive.git = "https://github.com/fortran-lang/test-drive"
+test-drive.tag = "v0.5.0"
+
+[[executable]]
+name = "poisson"
+source-dir = "src/poisson"
+main = "main.f90"
+
+[[executable]]
+name = "mesh_generator"
+source-dir = "src/mesh_generator"
+main = "main.f90"
+
+[[test]]
+name = "test-drive-mesh-generator"
+source-dir = "testing/test-drive"
+main = "main.f90"