8 files changed, 224 insertions, 0 deletions

diff --git a/spec/inputs/test/anonymous_class_spec.yue b/spec/inputs/test/anonymous_class_spec.yue
new file mode 100644
index 0000000..72854ee
--- /dev/null
+++ b/spec/inputs/test/anonymous_class_spec.yue
@@ -0,0 +1,27 @@
+describe "anonymous class", ->
+        it "should create anonymous class", ->
+                AnonymousClass = class
+                        value: 100
+                        getValue: => @value
+                
+                instance = AnonymousClass!
+                assert.same instance\getValue!, 100
+        
+        it "should use assigned name", ->
+                MyClass = class
+                        value: 50
+                
+                instance = MyClass!
+                assert.is_true MyClass.__name == "MyClass"
+                assert.same instance.value, 50
+        
+        it "should support anonymous subclass", ->
+                Base = class
+                        baseMethod: => "base"
+                
+                Sub = class extends Base
+                        subMethod: => "sub"
+                
+                instance = Sub!
+                assert.same instance\baseMethod!, "base"
+                assert.same instance\subMethod!, "sub"
diff --git a/spec/inputs/test/class_expression_spec.yue b/spec/inputs/test/class_expression_spec.yue
new file mode 100644
index 0000000..13c1d23
--- /dev/null
+++ b/spec/inputs/test/class_expression_spec.yue
@@ -0,0 +1,27 @@
+describe "class expression", ->
+        it "should support class expression assignment", ->
+                MyClass = class
+                        value: 100
+
+                assert.same MyClass.value, 100
+
+        it "should support class expression in table", ->
+                classes = {
+                        Alpha: class
+                                new: => @value = 1
+                        Beta: class
+                                new: => @value = 2
+                }
+
+                a = classes.Alpha!
+                b = classes.Beta!
+                assert.same a.value, 1
+                assert.same b.value, 2
+
+        it "should work with return", ->
+                fn = ->
+                        return class
+                                value: 50
+
+                Instance = fn!
+                assert.same Instance!.value, 50
diff --git a/spec/inputs/test/constructor_promotion_spec.yue b/spec/inputs/test/constructor_promotion_spec.yue
new file mode 100644
index 0000000..83c9d15
--- /dev/null
+++ b/spec/inputs/test/constructor_promotion_spec.yue
@@ -0,0 +1,26 @@
+describe "constructor promotion", ->
+        it "should promote simple arguments to assignment", ->
+                class Thing
+                        new: (@name, @age) =>
+
+                instance = Thing "Alice", 30
+                assert.same instance.name, "Alice"
+                assert.same instance.age, 30
+
+        it "should promote multiple arguments", ->
+                class Point
+                        new: (@x, @y, @z) =>
+
+                p = Point 1, 2, 3
+                assert.same p.x, 1
+                assert.same p.y, 2
+                assert.same p.z, 3
+
+        it "should work with multiple parameters", ->
+                class Container
+                        new: (@a, @b, @c) =>
+                
+                c = Container!
+                assert.same c.a, nil
+                assert.same c.b, nil
+                assert.same c.c, nil
diff --git a/spec/inputs/test/continue_spec.yue b/spec/inputs/test/continue_spec.yue
new file mode 100644
index 0000000..bf4e839
--- /dev/null
+++ b/spec/inputs/test/continue_spec.yue
@@ -0,0 +1,37 @@
+describe "continue statement", ->
+        it "should skip odd numbers in for loop", ->
+                numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+                even = for n in *numbers
+                        continue if n % 2 == 1
+                        n
+
+                assert.same even, {2, 4, 6, 8, 10}
+
+        it "should filter values in while loop", ->
+                i = 0
+                result = []
+
+                while i < 10
+                        i += 1
+                        continue if i % 3 == 0
+                        table.insert result, i
+
+                assert.same result, {1, 2, 4, 5, 7, 8, 10}
+
+        it "should skip with condition in loop expression", ->
+                items = [1, 2, 3, 4, 5]
+                odds = for item in *items
+                        continue if item % 2 == 0
+                        item
+
+                assert.same odds, {1, 3, 5}
+
+        it "should work with nested loops", ->
+                result = []
+
+                for i = 1, 5
+                        for j = 1, 5
+                                continue if i == j
+                                table.insert result, {i, j}
+
+                assert.same #result, 20
diff --git a/spec/inputs/test/export_import_interactions_spec.yue b/spec/inputs/test/export_import_interactions_spec.yue
new file mode 100644
index 0000000..8281246
--- /dev/null
+++ b/spec/inputs/test/export_import_interactions_spec.yue
@@ -0,0 +1,19 @@
+describe "export import interactions", ->
+        it "should import with alias and destructuring", ->
+                source = {
+                        origin: {x: 10, y: 20}
+                        target: "result"
+                        point: {x: 5, y: 15}
+                }
+                import x, y from source.origin
+                import target from source
+                px, py = do
+                        local x, y
+                        import x, y from source.point
+                        x, y
+
+                assert.same x, 10
+                assert.same y, 20
+                assert.same target, "result"
+                assert.same px, 5
+                assert.same py, 15
diff --git a/spec/inputs/test/format_spec.yue b/spec/inputs/test/format_spec.yue
index 4da3f7e..2069795 100644
--- a/spec/inputs/test/format_spec.yue
+++ b/spec/inputs/test/format_spec.yue
@@ -55,11 +55,13 @@ files = [
         "spec/inputs/syntax.yue"
         "spec/inputs/global.yue"
         "spec/inputs/plus.yue"
+        "spec/inputs/test/string_interpolation_spec.yue"
         "spec/inputs/test/with_spec.yue"
         "spec/inputs/test/try_catch_spec.yue"
         "spec/inputs/test/operator_advanced_spec.yue"
         "spec/inputs/test/with_statement_spec.yue"
         "spec/inputs/test/literals_spec.yue"
+        "spec/inputs/test/continue_spec.yue"
         "spec/inputs/test/varargs_assignment_spec.yue"
         "spec/inputs/test/advanced_macro_spec.yue"
         "spec/inputs/test/pipe_spec.yue"
@@ -77,11 +79,13 @@ files = [
         "spec/inputs/test/operators_spec.yue"
         "spec/inputs/test/comprehension_spec.yue"
         "spec/inputs/test/attrib_spec.yue"
+        "spec/inputs/test/using_spec.yue"
         "spec/inputs/test/nil_coalescing_spec.yue"
         "spec/inputs/test/table_comprehension_spec.yue"
         "spec/inputs/test/slicing_spec.yue"
         "spec/inputs/test/close_attribute_spec.yue"
         "spec/inputs/test/named_varargs_spec.yue"
+        "spec/inputs/test/export_import_interactions_spec.yue"
         "spec/inputs/test/table_spreading_spec.yue"
         "spec/inputs/test/macro_spec.yue"
         "spec/inputs/test/chaining_comparison_spec.yue"
@@ -89,10 +93,13 @@ files = [
         "spec/inputs/test/destructure_spec.yue"
         "spec/inputs/test/vararg_spec.yue"
         "spec/inputs/test/string_spec.yue"
+        "spec/inputs/test/anonymous_class_spec.yue"
         "spec/inputs/test/implicit_object_spec.yue"
+        "spec/inputs/test/constructor_promotion_spec.yue"
         "spec/inputs/test/backcall_spec.yue"
         "spec/inputs/test/while_assignment_spec.yue"
         "spec/inputs/test/switch_spec.yue"
+        "spec/inputs/test/class_expression_spec.yue"
         "spec/inputs/test/functions_advanced_spec.yue"
         "spec/inputs/test/config_spec.yue"
         "spec/inputs/test/yaml_string_spec.yue"
diff --git a/spec/inputs/test/string_interpolation_spec.yue b/spec/inputs/test/string_interpolation_spec.yue
new file mode 100644
index 0000000..02b1606
--- /dev/null
+++ b/spec/inputs/test/string_interpolation_spec.yue
@@ -0,0 +1,34 @@
+describe "string interpolation", ->
+        it "should interpolate in double quotes", ->
+                name = "World"
+                result = "Hello #{name}!"
+                assert.same result, "Hello World!"
+
+        it "should interpolate numbers", ->
+                a, b = 10, 20
+                result = "#{a} + #{b} = #{a + b}"
+                assert.same result, "10 + 20 = 30"
+
+        it "should interpolate expressions", ->
+                x = 5
+                result = "x * 2 = #{x * 2}"
+                assert.same result, "x * 2 = 10"
+
+        it "should interpolate function calls", ->
+                result = "result: #{math.floor 5.5}"
+                assert.same result, "result: 5"
+
+        it "should interpolate in string literals", ->
+                x = 100
+                result = "Value: #{x}"
+                assert.same result, "Value: 100"
+
+        it "should work with nested interpolation", ->
+                inner = "inner"
+                result = "Outer: #{inner}"
+                assert.same result, "Outer: inner"
+
+        it "should not interpolate in single quotes", ->
+                name = "World"
+                result = 'Hello #{name}!'
+                assert.same result, 'Hello #{name}!'
diff --git a/spec/inputs/test/using_spec.yue b/spec/inputs/test/using_spec.yue
new file mode 100644
index 0000000..e9ad749
--- /dev/null
+++ b/spec/inputs/test/using_spec.yue
@@ -0,0 +1,47 @@
+describe "using", ->
+        it "should prevent variable shadowing in assignment", ->
+                tmp = 100
+                i, k = 100, 50
+
+                process = (add using k, i) ->
+                        tmp = tmp + add
+                        i += tmp
+                        k += tmp
+
+                process 22
+                assert.same i, 222
+                assert.same k, 172
+                assert.same tmp, 100
+
+        it "should handle multiple variable names", ->
+                a, b, c = 1, 2, 3
+
+                process = (sum using a, b) ->
+                        a += 1
+                        b += 2
+                        c = sum + 100
+
+                process 10
+                assert.same a, 2
+                assert.same b, 4
+                assert.same c, 3
+
+        it "should work with nil value", ->
+                local x = 1
+
+                fn = (val using x) ->
+                        if val ~= nil
+                                x = val
+
+                fn 100
+                assert.same x, 100
+                assert.is_true x ~= 1
+
+        it "should work with function calls", ->
+                local count = 0
+
+                fn = (n using count) ->
+                        count += n
+
+                fn 5
+                assert.same count, 5