diff --git a/tests/if.rs b/tests/if.rs
new file mode 100644
index 0000000..014ce2a
--- /dev/null
+++ b/tests/if.rs
@@ -0,0 +1,49 @@
+#![cfg(test)]
+
+#[macro_use]
+mod macros;
+
+test!(
+    if_toplevel_true,
+    "@if true {\n  a {\n    color: foo;\n}\n}\n",
+    "a {\n  color: foo;\n}\n"
+);
+test!(
+    if_inner_true,
+    "a {\n  @if true {\n    color: foo;\n}\n}\n",
+    "a {\n  color: foo;\n}\n"
+);
+test!(
+    if_toplevel_false,
+    "@if false {\n  a {\n    color: foo;\n}\n}\n",
+    ""
+);
+test!(
+    if_inner_false,
+    "a {\n  @if false {\n    color: foo;\n}\n}\n",
+    ""
+);
+test!(
+    if_else_toplevel_true,
+    "@if true {\n  a {\n    color: foo;\n}\n} @else {\n  b {\n    color: bar\n}\n}\n",
+    "a {\n  color: foo;\n}\n"
+);
+test!(
+    if_else_inner_true,
+    "a {\n  @if true {\n    color: foo;\n} @else {\n    color: bar\n}\n}\n",
+    "a {\n  color: foo;\n}\n"
+);
+test!(
+    if_else_toplevel_false,
+    "@if false {\n  a {\n    color: foo;\n}\n} @else {\n  a {\n    color: bar\n}\n}\n",
+    "a {\n  color: bar;\n}\n"
+);
+test!(
+    if_else_inner_false,
+    "a {\n  @if false {\n    color: foo;\n} @else {\n    color: bar\n}\n}\n",
+    "a {\n  color: bar;\n}\n"
+);
+error!(
+    no_brace_after_else,
+    "@if false {} @else -}", "Error: expected \"{\"."
+);