test(parser): add a more complex if expression.

fuse-lang · Mar 7, 2024 · a436b6b · a436b6b
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diff --git a/crates/fuse-parser/tests/cases/pass/if-expression-04/ast.snap b/crates/fuse-parser/tests/cases/pass/if-expression-04/ast.snap
@@ -0,0 +1,132 @@
+---
+source: crates/fuse-parser/tests/cases/mod.rs
+expression: parsed.chunk
+input_file: crates/fuse-parser/tests/cases/pass/if-expression-04/case.fuse
+---
+Some(Chunk(
+  span: Span(
+    start: 0,
+    end: 71,
+  ),
+  body: Block(
+    statements: [
+      Expression(If(If(
+        span: Span(
+          start: 0,
+          end: 70,
+        ),
+        cond: BinaryOperator(BinaryOperator(
+          kind: LogicalOr(Span(
+            start: 5,
+            end: 7,
+          )),
+          lhs: Identifier(Identifier(
+            span: Span(
+              start: 3,
+              end: 4,
+            ),
+            name: Atom("x"),
+          )),
+          rhs: BinaryOperator(BinaryOperator(
+            kind: LogicalAnd(Span(
+              start: 10,
+              end: 13,
+            )),
+            lhs: Identifier(Identifier(
+              span: Span(
+                start: 8,
+                end: 9,
+              ),
+              name: Atom("y"),
+            )),
+            rhs: Identifier(Identifier(
+              span: Span(
+                start: 14,
+                end: 15,
+              ),
+              name: Atom("z"),
+            )),
+          )),
+        )),
+        body: Block(
+          statements: [
+            Expression(NumberLiteral(NumberLiteral(
+              span: Span(
+                start: 23,
+                end: 26,
+              ),
+              raw: Atom("123"),
+              value: 123.0,
+              kind: Decimal,
+            ))),
+          ],
+        ),
+        else: Some(If(If(
+          span: Span(
+            start: 27,
+            end: 70,
+          ),
+          cond: BinaryOperator(BinaryOperator(
+            kind: LogicalOr(Span(
+              start: 42,
+              end: 44,
+            )),
+            lhs: BinaryOperator(BinaryOperator(
+              kind: LogicalAnd(Span(
+                start: 36,
+                end: 39,
+              )),
+              lhs: Identifier(Identifier(
+                span: Span(
+                  start: 34,
+                  end: 35,
+                ),
+                name: Atom("x"),
+              )),
+              rhs: Identifier(Identifier(
+                span: Span(
+                  start: 40,
+                  end: 41,
+                ),
+                name: Atom("y"),
+              )),
+            )),
+            rhs: Identifier(Identifier(
+              span: Span(
+                start: 45,
+                end: 46,
+              ),
+              name: Atom("z"),
+            )),
+          )),
+          body: Block(
+            statements: [
+              Expression(NumberLiteral(NumberLiteral(
+                span: Span(
+                  start: 54,
+                  end: 57,
+                ),
+                raw: Atom("321"),
+                value: 321.0,
+                kind: Decimal,
+              ))),
+            ],
+          ),
+          else: Some(Block(Block(
+            statements: [
+              Expression(NumberLiteral(NumberLiteral(
+                span: Span(
+                  start: 65,
+                  end: 66,
+                ),
+                raw: Atom("0"),
+                value: 0.0,
+                kind: Decimal,
+              ))),
+            ],
+          ))),
+        ))),
+      ))),
+    ],
+  ),
+))
diff --git a/crates/fuse-parser/tests/cases/pass/if-expression-04/case.fuse b/crates/fuse-parser/tests/cases/pass/if-expression-04/case.fuse
@@ -0,0 +1,7 @@
+if x or y and z then
+  123
+elseif x and y or z then
+  321
+else
+  0
+end