2 files changed, 19 insertions, 0 deletions
diff --git a/build.zig b/build.zig
index 802f2f5..98e9c6e 100644
--- a/build.zig
+++ b/build.zig
@@ -34,6 +34,10 @@ pub const Exercise = struct {
     /// We need to keep track of this, so we compile with libc.
     link_libc: bool = false,
 
+    /// This exercise doesn't have a main function.
+    /// We only call the test.
+    run_test: bool = false,
+
     /// This exercise is not supported by the current Zig compiler.
     skip: bool = false,
 
@@ -1213,6 +1217,11 @@ const exercises = [_]Exercise{
         ,
     },
     .{
+        .main_file = "102_testing.zig",
+        .output = "All 1 tests passed.",
+        .run_test = true,
+    },
+    .{
         .main_file = "999_the_end.zig",
         .output =
         \\
diff --git a/exercises/102_testing.zig b/exercises/102_testing.zig
new file mode 100644
index 0000000..dc1da59
--- /dev/null
+++ b/exercises/102_testing.zig
@@ -0,0 +1,10 @@
+const std = @import("std");
+const testing = std.testing;
+
+fn add(a: u16, b: u16) u16 {
+    return a + b;
+}
+
+test "simple test" {
+    try testing.expect(add(41, 1) == 42);
+}