From fc2912edd2bbd0e1b01f3b87d5e5560b84a1571d Mon Sep 17 00:00:00 2001
From: Jesse Brault <jbrault@mac.com>
Date: Tue, 16 Sep 2025 00:00:26 -0500
Subject: [PATCH] Start adding ast build tests.

---
 src/ast/build_tests/backtick_inner/greeting |  1 +
 src/ast/build_tests/backtick_string/mixed   |  1 +
 src/ast/build_tests/boolean_literal/false   |  1 +
 src/ast/build_tests/boolean_literal/true    |  1 +
 src/ast/mod.rs                              | 50 +++++++++++++++++++++
 src/parser/ast.yaml                         |  6 ++-
 6 files changed, 59 insertions(+), 1 deletion(-)
 create mode 100644 src/ast/build_tests/backtick_inner/greeting
 create mode 100644 src/ast/build_tests/backtick_string/mixed
 create mode 100644 src/ast/build_tests/boolean_literal/false
 create mode 100644 src/ast/build_tests/boolean_literal/true

diff --git a/src/ast/build_tests/backtick_inner/greeting b/src/ast/build_tests/backtick_inner/greeting
new file mode 100644
index 0000000..b45ef6f
--- /dev/null
+++ b/src/ast/build_tests/backtick_inner/greeting
@@ -0,0 +1 @@
+Hello, World!
\ No newline at end of file
diff --git a/src/ast/build_tests/backtick_string/mixed b/src/ast/build_tests/backtick_string/mixed
new file mode 100644
index 0000000..4b847b0
--- /dev/null
+++ b/src/ast/build_tests/backtick_string/mixed
@@ -0,0 +1 @@
+`Hello, ${world}!`
\ No newline at end of file
diff --git a/src/ast/build_tests/boolean_literal/false b/src/ast/build_tests/boolean_literal/false
new file mode 100644
index 0000000..02e4a84
--- /dev/null
+++ b/src/ast/build_tests/boolean_literal/false
@@ -0,0 +1 @@
+false
\ No newline at end of file
diff --git a/src/ast/build_tests/boolean_literal/true b/src/ast/build_tests/boolean_literal/true
new file mode 100644
index 0000000..f32a580
--- /dev/null
+++ b/src/ast/build_tests/boolean_literal/true
@@ -0,0 +1 @@
+true
\ No newline at end of file
diff --git a/src/ast/mod.rs b/src/ast/mod.rs
index 067b266..eb28e17 100644
--- a/src/ast/mod.rs
+++ b/src/ast/mod.rs
@@ -53,4 +53,54 @@ pub mod build {
     use crate::ast::node::*;
 
     include!(concat!(env!("OUT_DIR"), "/src/ast/build.rs"));
+
+    #[cfg(test)]
+    mod build_tests {
+        use super::*;
+        use crate::parser::DeimosParser;
+        use pest::Parser;
+
+        fn parse(rule: Rule, input: &str) -> Pair<Rule> {
+            let parse_result = DeimosParser::parse(rule, input);
+            parse_result.expect("parsing failed").next().unwrap()
+        }
+
+        #[test]
+        fn boolean_literal_true() {
+            let pair = parse(
+                Rule::BooleanLiteral,
+                include_str!("build_tests/boolean_literal/true"),
+            );
+            assert_eq!(true, build_boolean_literal(pair));
+        }
+
+        #[test]
+        fn boolean_literal_false() {
+            let pair = parse(
+                Rule::BooleanLiteral,
+                include_str!("build_tests/boolean_literal/false"),
+            );
+            assert_eq!(false, build_boolean_literal(pair));
+        }
+
+        #[test]
+        fn backtick_inner_greeting() {
+            let pair = parse(
+                Rule::BacktickInner,
+                include_str!("build_tests/backtick_inner/greeting"),
+            );
+            assert_eq!("Hello, World!", build_backtick_inner(pair));
+        }
+
+        #[test]
+        fn backtick_string_mixed() {
+            let pair = parse(
+                Rule::BacktickString,
+                include_str!("build_tests/backtick_string/mixed"),
+            );
+            let backtick_string = build_backtick_string(pair);
+            assert_eq!(backtick_string.inners().count(), 2);
+            assert_eq!(backtick_string.expressions().count(), 1);
+        }
+    }
 }
diff --git a/src/parser/ast.yaml b/src/parser/ast.yaml
index 48554f0..b8ef053 100644
--- a/src/parser/ast.yaml
+++ b/src/parser/ast.yaml
@@ -628,6 +628,7 @@ ShiftExpression:
         optional: true
     - right:
         rule: Expression
+        optional: true
 ShiftOperator:
   leaf_rules:
     - LeftShift
@@ -655,6 +656,7 @@ MultiplicativeExpression:
         optional: true
     - right:
         rule: Expression
+        optional: true
 MultiplicativeOperator:
   leaf_rules:
     - Multiply
@@ -665,6 +667,8 @@ PrefixExpression:
     - operators:
         rule: PrefixOperator
         vec: true
+    - right:
+        rule: SuffixExpression
 PrefixOperator:
   leaf_rules:
     - Spread
@@ -812,7 +816,7 @@ BacktickString:
 BacktickInner:
   produce:
     kind: string
-    from: string_inner
+    from: whole_pair
 BooleanLiteral:
   produce:
     kind: boolean