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-rw-r--r--js/scripting-lang/tests/01_lexer_basic.txt25
-rw-r--r--js/scripting-lang/tests/02_arithmetic_operations.txt31
-rw-r--r--js/scripting-lang/tests/03_comparison_operators.txt33
-rw-r--r--js/scripting-lang/tests/04_logical_operators.txt35
-rw-r--r--js/scripting-lang/tests/05_io_operations.txt28
-rw-r--r--js/scripting-lang/tests/06_function_definitions.txt32
-rw-r--r--js/scripting-lang/tests/07_case_expressions.txt47
-rw-r--r--js/scripting-lang/tests/08_first_class_functions.txt51
-rw-r--r--js/scripting-lang/tests/09_tables.txt50
-rw-r--r--js/scripting-lang/tests/10_standard_library.txt40
-rw-r--r--js/scripting-lang/tests/11_edge_cases.txt50
-rw-r--r--js/scripting-lang/tests/12_advanced_tables.txt85
-rw-r--r--js/scripting-lang/tests/13_standard_library_complete.txt97
-rw-r--r--js/scripting-lang/tests/14_error_handling.txt65
-rw-r--r--js/scripting-lang/tests/15_performance_stress.txt131
-rw-r--r--js/scripting-lang/tests/16_function_composition.txt59
-rw-r--r--js/scripting-lang/tests/dev_01_simple_test.txt9
-rw-r--r--js/scripting-lang/tests/dev_02_test_parser_changes.txt35
-rw-r--r--js/scripting-lang/tests/integration_01_basic_features.txt37
-rw-r--r--js/scripting-lang/tests/integration_02_pattern_matching.txt64
-rw-r--r--js/scripting-lang/tests/integration_03_functional_programming.txt68
-rw-r--r--js/scripting-lang/tests/integration_04_mini_case_multi_param.txt21
22 files changed, 1093 insertions, 0 deletions
diff --git a/js/scripting-lang/tests/01_lexer_basic.txt b/js/scripting-lang/tests/01_lexer_basic.txt
new file mode 100644
index 0000000..90693f1
--- /dev/null
+++ b/js/scripting-lang/tests/01_lexer_basic.txt
@@ -0,0 +1,25 @@
+/* Unit Test: Basic Lexer Functionality */
+/* Tests: Numbers, identifiers, operators, keywords */
+
+/* Test numbers */
+x : 42;
+y : 3.14;
+z : 0;
+
+/* Test identifiers */
+name : "test";
+flag : true;
+value : false;
+
+/* Test basic operators */
+sum : x + y;
+diff : x - y;
+prod : x * y;
+quot : x / y;
+
+/* Test keywords */
+result : when x is
+    42 then "correct"
+    _  then "wrong";
+
+..out "Lexer basic test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/02_arithmetic_operations.txt b/js/scripting-lang/tests/02_arithmetic_operations.txt
new file mode 100644
index 0000000..d4c0648
--- /dev/null
+++ b/js/scripting-lang/tests/02_arithmetic_operations.txt
@@ -0,0 +1,31 @@
+/* Unit Test: Arithmetic Operations */
+/* Tests: All arithmetic operators and precedence */
+
+/* Basic arithmetic */
+a : 10;
+b : 3;
+sum : a + b;
+diff : a - b;
+product : a * b;
+quotient : a / b;
+moduloResult : a % b;
+powerResult : a ^ b;
+
+/* Test results */
+..assert sum = 13;
+..assert diff = 7;
+..assert product = 30;
+..assert quotient = 3.3333333333333335;
+..assert moduloResult = 1;
+..assert powerResult = 1000;
+
+/* Complex expressions with parentheses */
+complex1 : (5 + 3) * 2;
+complex2 : ((10 - 2) * 3) + 1;
+complex3 : (2 ^ 3) % 5;
+
+..assert complex1 = 16;
+..assert complex2 = 25;
+..assert complex3 = 3;
+
+..out "Arithmetic operations test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/03_comparison_operators.txt b/js/scripting-lang/tests/03_comparison_operators.txt
new file mode 100644
index 0000000..f122a84
--- /dev/null
+++ b/js/scripting-lang/tests/03_comparison_operators.txt
@@ -0,0 +1,33 @@
+/* Unit Test: Comparison Operators */
+/* Tests: All comparison operators */
+
+/* Basic comparisons */
+less : 3 < 5;
+greater : 10 > 5;
+equal : 5 = 5;
+not_equal : 3 != 5;
+less_equal : 5 <= 5;
+greater_equal : 5 >= 3;
+
+/* Test results */
+..assert less = true;
+..assert greater = true;
+..assert equal = true;
+..assert not_equal = true;
+..assert less_equal = true;
+..assert greater_equal = true;
+
+/* Edge cases */
+zero_less : 0 < 1;
+zero_equal : 0 = 0;
+zero_greater : 0 > -1;
+same_less : 5 < 5;
+same_greater : 5 > 5;
+
+..assert zero_less = true;
+..assert zero_equal = true;
+..assert zero_greater = true;
+..assert same_less = false;
+..assert same_greater = false;
+
+..out "Comparison operators test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/04_logical_operators.txt b/js/scripting-lang/tests/04_logical_operators.txt
new file mode 100644
index 0000000..591e04b
--- /dev/null
+++ b/js/scripting-lang/tests/04_logical_operators.txt
@@ -0,0 +1,35 @@
+/* Unit Test: Logical Operators */
+/* Tests: All logical operators */
+
+/* Basic logical operations */
+and_true : 1 and 1;
+and_false : 1 and 0;
+or_true : 0 or 1;
+or_false : 0 or 0;
+xor_true : 1 xor 0;
+xor_false : 1 xor 1;
+not_true : not 0;
+not_false : not 1;
+
+/* Test results */
+..assert and_true = true;
+..assert and_false = false;
+..assert or_true = true;
+..assert or_false = false;
+..assert xor_true = true;
+..assert xor_false = false;
+..assert not_true = true;
+..assert not_false = false;
+
+/* Complex logical expressions */
+complex1 : 1 and 1 and 1;
+complex2 : 1 or 0 or 0;
+complex3 : not (1 and 0);
+complex4 : (1 and 1) or (0 and 1);
+
+..assert complex1 = true;
+..assert complex2 = true;
+..assert complex3 = true;
+..assert complex4 = true;
+
+..out "Logical operators test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/05_io_operations.txt b/js/scripting-lang/tests/05_io_operations.txt
new file mode 100644
index 0000000..a16bf94
--- /dev/null
+++ b/js/scripting-lang/tests/05_io_operations.txt
@@ -0,0 +1,28 @@
+/* Unit Test: IO Operations */
+/* Tests: ..out, ..assert operations */
+
+/* Test basic output */
+..out "Testing IO operations";
+
+/* Test assertions */
+x : 5;
+y : 3;
+sum : x + y;
+
+..assert x = 5;
+..assert y = 3;
+..assert sum = 8;
+..assert x > 3;
+..assert y < 10;
+..assert sum != 0;
+
+/* Test string comparisons */
+..assert "hello" = "hello";
+..assert "world" != "hello";
+
+/* Test complex assertions */
+..assert (x + y) = 8;
+..assert (x * y) = 15;
+..assert (x > y) = true;
+
+..out "IO operations test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/06_function_definitions.txt b/js/scripting-lang/tests/06_function_definitions.txt
new file mode 100644
index 0000000..b0e591f
--- /dev/null
+++ b/js/scripting-lang/tests/06_function_definitions.txt
@@ -0,0 +1,32 @@
+/* Unit Test: Function Definitions */
+/* Tests: Function syntax, parameters, calls */
+
+/* Basic function definitions */
+add_func : x y -> x + y;
+multiply_func : x y -> x * y;
+double_func : x -> x * 2;
+square_func : x -> x * x;
+identity_func : x -> x;
+
+/* Test function calls */
+result1 : add_func 3 4;
+result2 : multiply_func 5 6;
+result3 : double_func 8;
+result4 : square_func 4;
+result5 : identity_func 42;
+
+/* Test results */
+..assert result1 = 7;
+..assert result2 = 30;
+..assert result3 = 16;
+..assert result4 = 16;
+..assert result5 = 42;
+
+/* Test function calls with parentheses */
+result6 : add_func @(3 + 2) @(4 + 1);
+result7 : multiply_func @(double_func 3) @(square_func 2);
+
+..assert result6 = 10;
+..assert result7 = 24;
+
+..out "Function definitions test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/07_case_expressions.txt b/js/scripting-lang/tests/07_case_expressions.txt
new file mode 100644
index 0000000..35f0aa2
--- /dev/null
+++ b/js/scripting-lang/tests/07_case_expressions.txt
@@ -0,0 +1,47 @@
+/* Unit Test: Case Expressions */
+/* Tests: Pattern matching, wildcards, nested cases */
+
+/* Basic case expressions */
+factorial : n -> 
+  when n is
+    0 then 1
+    _ then n * (factorial (n - 1));
+
+grade : score -> 
+  when score is
+    90 then "A"
+    80 then "B"
+    70 then "C"
+    _  then "F";
+
+/* Test case expressions */
+fact5 : factorial 5;
+grade1 : grade 95;
+grade2 : grade 85;
+grade3 : grade 65;
+
+/* Test results */
+..assert fact5 = 120;
+..assert grade1 = "A";  /* 95 >= 90, so matches first case */
+..assert grade2 = "B";  /* 85 >= 80, so matches second case */
+..assert grade3 = "F";  /* 65 < 70, so falls through to wildcard */
+
+/* Multi-parameter case expressions */
+compare : x y -> 
+  when x y is
+    0 0 then "both zero"
+    0 _ then "x is zero"
+    _ 0 then "y is zero"
+    _ _ then "neither zero";
+
+test1 : compare 0 0;
+test2 : compare 0 5;
+test3 : compare 5 0;
+test4 : compare 5 5;
+
+..assert test1 = "both zero";
+..assert test2 = "x is zero";
+..assert test3 = "y is zero";
+..assert test4 = "neither zero";
+
+..out "Case expressions test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/08_first_class_functions.txt b/js/scripting-lang/tests/08_first_class_functions.txt
new file mode 100644
index 0000000..75fda40
--- /dev/null
+++ b/js/scripting-lang/tests/08_first_class_functions.txt
@@ -0,0 +1,51 @@
+/* Unit Test: First-Class Functions */
+/* Tests: Function references, higher-order functions */
+
+/* Basic functions */
+double : x -> x * 2;
+square : x -> x * x;
+add1 : x -> x + 1;
+
+/* Function references */
+double_ref : @double;
+square_ref : @square;
+add1_ref : @add1;
+
+/* Test function references */
+result1 : double_ref 5;
+result2 : square_ref 3;
+result3 : add1_ref 10;
+
+..assert result1 = 10;
+..assert result2 = 9;
+..assert result3 = 11;
+
+/* Higher-order functions using standard library */
+composed : compose @double @square 3;
+piped : pipe @double @square 2;
+applied : apply @double 7;
+
+..assert composed = 18;
+..assert piped = 16;
+..assert applied = 14;
+
+/* Function references in case expressions */
+getFunction : type -> 
+  when type is
+    "double" then @double
+    "square" then @square
+    _        then @add1;
+
+func1 : getFunction "double";
+func2 : getFunction "square";
+func3 : getFunction "unknown";
+
+result4 : func1 4;
+result5 : func2 4;
+result6 : func3 4;
+
+..assert result4 = 8;
+..assert result5 = 16;
+..assert result6 = 5;
+
+..out "First-class functions test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/09_tables.txt b/js/scripting-lang/tests/09_tables.txt
new file mode 100644
index 0000000..3845903
--- /dev/null
+++ b/js/scripting-lang/tests/09_tables.txt
@@ -0,0 +1,50 @@
+/* Unit Test: Tables */
+/* Tests: Table literals, access, mixed types */
+
+/* Empty table */
+empty : {};
+
+/* Array-like table */
+numbers : {1, 2, 3, 4, 5};
+
+/* Key-value table */
+person : {name: "Alice", age: 30, active: true};
+
+/* Mixed table */
+mixed : {1, name: "Bob", 2, active: false};
+
+/* Test array access */
+first : numbers[1];
+second : numbers[2];
+last : numbers[5];
+
+..assert first = 1;
+..assert second = 2;
+..assert last = 5;
+
+/* Test object access */
+name : person.name;
+age : person.age;
+active : person.active;
+
+..assert name = "Alice";
+..assert age = 30;
+..assert active = true;
+
+/* Test mixed table access */
+first_mixed : mixed[1];
+name_mixed : mixed.name;
+second_mixed : mixed[2];
+
+..assert first_mixed = 1;
+..assert name_mixed = "Bob";
+..assert second_mixed = 2;
+
+/* Test bracket notation */
+name_bracket : person["name"];
+age_bracket : person["age"];
+
+..assert name_bracket = "Alice";
+..assert age_bracket = 30;
+
+..out "Tables test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/10_standard_library.txt b/js/scripting-lang/tests/10_standard_library.txt
new file mode 100644
index 0000000..221d5ca
--- /dev/null
+++ b/js/scripting-lang/tests/10_standard_library.txt
@@ -0,0 +1,40 @@
+/* Unit Test: Standard Library */
+/* Tests: All built-in higher-order functions */
+
+/* Basic functions for testing */
+double_func : x -> x * 2;
+square_func : x -> x * x;
+add_func : x y -> x + y;
+isPositive : x -> x > 0;
+
+/* Map function */
+mapped1 : map @double_func 5;
+mapped2 : map @square_func 3;
+
+..assert mapped1 = 10;
+..assert mapped2 = 9;
+
+/* Compose function */
+composed : compose @double_func @square_func 3;
+..assert composed = 18;
+
+/* Pipe function */
+piped : pipe @double_func @square_func 2;
+..assert piped = 16;
+
+/* Apply function */
+applied : apply @double_func 7;
+..assert applied = 14;
+
+/* Reduce and Fold functions */
+reduced : reduce @add_func 0 5;
+folded : fold @add_func 0 5;
+
+..assert reduced = 5;
+..assert folded = 5;
+
+/* Curry function */
+curried : curry @add_func 3 4;
+..assert curried = 7;
+
+..out "Standard library test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/11_edge_cases.txt b/js/scripting-lang/tests/11_edge_cases.txt
new file mode 100644
index 0000000..dce90e3
--- /dev/null
+++ b/js/scripting-lang/tests/11_edge_cases.txt
@@ -0,0 +1,50 @@
+/* Unit Test: Edge Cases and Error Conditions */
+/* Tests: Unary minus, complex expressions */
+
+/* Test unary minus operations */
+negative1 : -5;
+negative2 : -3.14;
+negative3 : -0;
+
+..assert negative1 = -5;
+..assert negative2 = -3.14;
+..assert negative3 = 0;
+
+/* Test complex unary minus expressions */
+complex_negative1 : -(-5);
+complex_negative2 : -(-(-3));
+complex_negative3 : -5 + 3;
+
+..assert complex_negative1 = 5;
+..assert complex_negative2 = -3;
+..assert complex_negative3 = -2;
+
+/* Test unary minus in function calls */
+abs : x -> when x is
+    x < 0 then -x
+    _ then x;
+
+abs1 : abs -5;
+abs2 : abs 5;
+
+..assert abs1 = 5;
+..assert abs2 = 5;
+
+/* Test complex nested expressions */
+nested1 : (1 + 2) * (3 - 4);
+nested2 : ((5 + 3) * 2) - 1;
+nested3 : -((2 + 3) * 4);
+
+..assert nested1 = -3;
+..assert nested2 = 15;
+..assert nested3 = -20;
+
+/* Test unary minus with function references */
+negate : x -> -x;
+negated1 : negate 5;
+negated2 : negate -3;
+
+..assert negated1 = -5;
+..assert negated2 = 3;
+
+..out "Edge cases test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/12_advanced_tables.txt b/js/scripting-lang/tests/12_advanced_tables.txt
new file mode 100644
index 0000000..3b2a326
--- /dev/null
+++ b/js/scripting-lang/tests/12_advanced_tables.txt
@@ -0,0 +1,85 @@
+/* Unit Test: Advanced Table Features */
+/* Tests: Nested tables, mixed types, array-like entries */
+
+/* Nested tables */
+nested_table : {
+    outer: {
+        inner: {
+            value: 42
+        }
+    }
+};
+
+/* Test nested access */
+nested_value1 : nested_table.outer.inner.value;
+..assert nested_value1 = 42;
+
+/* Tables with mixed types */
+mixed_advanced : {
+    1: "first",
+    name: "test",
+    nested: {
+        value: 100
+    }
+};
+
+/* Test mixed access */
+first : mixed_advanced[1];
+name : mixed_advanced.name;
+nested_value2 : mixed_advanced.nested.value;
+
+..assert first = "first";
+..assert name = "test";
+..assert nested_value2 = 100;
+
+/* Tables with boolean keys */
+bool_table : {
+    true: "yes",
+    false: "no"
+};
+
+/* Test boolean key access */
+yes : bool_table[true];
+no : bool_table[false];
+
+..assert yes = "yes";
+..assert no = "no";
+
+/* Tables with array-like entries and key-value pairs */
+comma_table : {
+    1, 2, 3,
+    key: "value",
+    4, 5
+};
+
+/* Test comma table access */
+first_comma : comma_table[1];
+second_comma : comma_table[2];
+key_comma : comma_table.key;
+fourth_comma : comma_table[4];
+
+..assert first_comma = 1;
+..assert second_comma = 2;
+..assert key_comma = "value";
+..assert fourth_comma = 4;
+
+/* Tables with numeric and string keys */
+mixed_keys : {
+    1: "one",
+    two: 2,
+    3: "three",
+    four: 4
+};
+
+/* Test mixed key access */
+one : mixed_keys[1];
+two : mixed_keys.two;
+three : mixed_keys[3];
+four : mixed_keys.four;
+
+..assert one = "one";
+..assert two = 2;
+..assert three = "three";
+..assert four = 4;
+
+..out "Advanced tables test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/13_standard_library_complete.txt b/js/scripting-lang/tests/13_standard_library_complete.txt
new file mode 100644
index 0000000..c73396a
--- /dev/null
+++ b/js/scripting-lang/tests/13_standard_library_complete.txt
@@ -0,0 +1,97 @@
+/* Unit Test: Complete Standard Library */
+/* Tests: All built-in higher-order functions including reduce, fold, curry */
+
+/* Basic functions for testing */
+double_func : x -> x * 2;
+square_func : x -> x * x;
+add_func : x y -> x + y;
+isPositive : x -> x > 0;
+isEven : x -> x % 2 = 0;
+
+/* Map function */
+mapped1 : map @double_func 5;
+mapped2 : map @square_func 3;
+
+..assert mapped1 = 10;
+..assert mapped2 = 9;
+
+/* Compose function */
+composed : compose @double_func @square_func 3;
+..assert composed = 18;
+
+/* Pipe function */
+piped : pipe @double_func @square_func 2;
+..assert piped = 16;
+
+/* Apply function */
+applied : apply @double_func 7;
+..assert applied = 14;
+
+/* Filter function */
+filtered1 : filter @isPositive 5;
+filtered2 : filter @isPositive -3;
+
+..assert filtered1 = 5;
+..assert filtered2 = 0;
+
+/* Reduce function */
+reduced : reduce @add_func 0 5;
+..assert reduced = 5;
+
+/* Fold function */
+folded : fold @add_func 0 5;
+..assert folded = 5;
+
+/* Curry function */
+curried : curry @add_func 3 4;
+..assert curried = 7;
+
+/* Test partial application */
+compose_partial : compose @double_func @square_func;
+compose_result : compose_partial 3;
+..assert compose_result = 18;
+
+pipe_partial : pipe @double_func @square_func;
+pipe_result : pipe_partial 2;
+..assert pipe_result = 16;
+
+/* Test with negative numbers */
+negate_func : x -> -x;
+negative_compose : compose @double_func @negate_func 5;
+negative_pipe : pipe @negate_func @double_func 5;
+
+..assert negative_compose = -10;
+..assert negative_pipe = -10;
+
+/* Test with complex functions */
+complex_func : x -> x * x + 1;
+complex_compose : compose @double_func @complex_func 3;
+complex_pipe : pipe @complex_func @double_func 3;
+
+..assert complex_compose = 20;
+..assert complex_pipe = 20;
+
+/* Test filter with complex predicates */
+isLarge : x -> x > 10;
+filtered_large : filter @isLarge 15;
+filtered_small : filter @isLarge 5;
+
+..assert filtered_large = 15;
+..assert filtered_small = 0;
+
+/* Test reduce with different initial values */
+multiply_func : x y -> x * y;
+reduced_sum : reduce @add_func 10 5;
+reduced_mult : reduce @multiply_func 1 5;
+
+..assert reduced_sum = 15;
+..assert reduced_mult = 5;
+
+/* Test fold with different initial values */
+folded_sum : fold @add_func 10 5;
+folded_mult : fold @multiply_func 1 5;
+
+..assert folded_sum = 15;
+..assert folded_mult = 5;
+
+..out "Complete standard library test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/14_error_handling.txt b/js/scripting-lang/tests/14_error_handling.txt
new file mode 100644
index 0000000..36fa9de
--- /dev/null
+++ b/js/scripting-lang/tests/14_error_handling.txt
@@ -0,0 +1,65 @@
+/* Unit Test: Error Handling and Edge Cases */
+/* Tests: Error detection and handling */
+
+/* Test valid operations first to ensure basic functionality */
+valid_test : 5 + 3;
+..assert valid_test = 8;
+
+/* Test division by zero handling */
+/* This should be handled gracefully */
+safe_div : x y -> when y is
+    0 then "division by zero"
+    _ then x / y;
+
+div_result1 : safe_div 10 2;
+div_result2 : safe_div 10 0;
+
+..assert div_result1 = 5;
+..assert div_result2 = "division by zero";
+
+/* Test edge cases with proper handling */
+edge_case1 : when 0 is
+    0 then "zero"
+    _ then "other";
+
+edge_case2 : when "" is
+    "" then "empty string"
+    _  then "other";
+
+edge_case3 : when false is
+    false then "false"
+    _     then "other";
+
+..assert edge_case1 = "zero";
+..assert edge_case2 = "empty string";
+..assert edge_case3 = "false";
+
+/* Test complex error scenarios */
+complex_error_handling : input -> when input is
+    input < 0 then "negative"
+    input = 0 then "zero"
+    input > 100 then "too large"
+    _ then "valid";
+
+complex_result1 : complex_error_handling -5;
+complex_result2 : complex_error_handling 0;
+complex_result3 : complex_error_handling 150;
+complex_result4 : complex_error_handling 50;
+
+..assert complex_result1 = "negative";
+..assert complex_result2 = "zero";
+..assert complex_result3 = "too large";
+..assert complex_result4 = "valid";
+
+/* Test safe arithmetic operations */
+safe_add : x y -> when y is
+    0 then x
+    _ then x + y;
+
+safe_result1 : safe_add 5 3;
+safe_result2 : safe_add 5 0;
+
+..assert safe_result1 = 8;
+..assert safe_result2 = 5;
+
+..out "Error handling test completed successfully"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/15_performance_stress.txt b/js/scripting-lang/tests/15_performance_stress.txt
new file mode 100644
index 0000000..0682d3d
--- /dev/null
+++ b/js/scripting-lang/tests/15_performance_stress.txt
@@ -0,0 +1,131 @@
+/* Unit Test: Performance and Stress Testing */
+/* Tests: Large computations, nested functions, complex expressions */
+
+/* Test large arithmetic computations */
+large_sum : 0;
+large_sum : large_sum + 1;
+large_sum : large_sum + 2;
+large_sum : large_sum + 3;
+large_sum : large_sum + 4;
+large_sum : large_sum + 5;
+
+..assert large_sum = 15;
+
+/* Test nested function calls */
+nested_func1 : x -> x + 1;
+nested_func2 : x -> nested_func1 x;
+nested_func3 : x -> nested_func2 x;
+nested_func4 : x -> nested_func3 x;
+nested_func5 : x -> nested_func4 x;
+
+deep_nested : nested_func5 10;
+..assert deep_nested = 15;
+
+/* Test complex mathematical expressions */
+complex_math1 : (1 + 2) * (3 + 4) - (5 + 6);
+complex_math2 : ((2 ^ 3) + (4 * 5)) / (6 - 2);
+complex_math3 : -((1 + 2 + 3) * (4 + 5 + 6));
+
+..assert complex_math1 = 10;
+..assert complex_math2 = 7;
+..assert complex_math3 = -126;
+
+/* Test large table operations */
+large_table : {};
+large_table : {1: "one", 2: "two", 3: "three", 4: "four", 5: "five"};
+large_table : {large_table, 6: "six", 7: "seven", 8: "eight"};
+
+table_size : 8;
+..assert table_size = 8;
+
+/* Test recursive-like patterns with functions */
+accumulate : n -> when n is
+    0 then 0
+    _ then n + accumulate (n - 1);
+
+sum_10 : accumulate 10;
+..assert sum_10 = 55;
+
+/* Test complex case expressions */
+complex_case : x -> when x is
+    x < 0 then "negative"
+    x = 0 then "zero"
+    x < 10 then "small"
+    x < 100 then "medium"
+    x < 1000 then "large"
+    _ then "huge";
+
+case_test1 : complex_case -5;
+case_test2 : complex_case 0;
+case_test3 : complex_case 5;
+case_test4 : complex_case 50;
+case_test5 : complex_case 500;
+case_test6 : complex_case 5000;
+
+..assert case_test1 = "negative";
+..assert case_test2 = "zero";
+..assert case_test3 = "small";
+..assert case_test4 = "medium";
+..assert case_test5 = "large";
+..assert case_test6 = "huge";
+
+/* Test standard library with complex operations */
+double : x -> x * 2;
+square : x -> x * x;
+add : x y -> x + y;
+
+complex_std1 : compose @double @square 3;
+complex_std2 : pipe @square @double 4;
+complex_std3 : apply @add 5 3;
+
+..assert complex_std1 = 18;
+..assert complex_std2 = 32;
+..assert complex_std3 = 8;
+
+/* Test table with computed keys and nested structures */
+computed_table : {
+    (1 + 1): "two",
+    (2 * 3): "six",
+    (10 - 5): "five",
+    nested: {
+        (2 + 2): "four",
+        deep: {
+            (3 * 3): "nine"
+        }
+    }
+};
+
+computed_test1 : computed_table[2];
+computed_test2 : computed_table[6];
+computed_test3 : computed_table[5];
+computed_test4 : computed_table.nested[4];
+computed_test5 : computed_table.nested.deep[9];
+
+..assert computed_test1 = "two";
+..assert computed_test2 = "six";
+..assert computed_test3 = "five";
+..assert computed_test4 = "four";
+..assert computed_test5 = "nine";
+
+/* Test logical operations with complex expressions */
+complex_logic1 : (5 > 3) and (10 < 20) and (2 + 2 = 4);
+complex_logic2 : (1 > 5) or (10 = 10) or (3 < 2);
+complex_logic3 : not ((5 > 3) and (10 < 5));
+
+..assert complex_logic1 = true;
+..assert complex_logic2 = true;
+..assert complex_logic3 = true;
+
+/* Test function composition with multiple functions */
+f1 : x -> x + 1;
+f2 : x -> x * 2;
+f3 : x -> x - 1;
+f4 : x -> x / 2;
+
+composed1 : compose @f1 @f2 @f3 @f4 10;
+composed2 : pipe @f4 @f3 @f2 @f1 10;
+
+..assert composed1 = 10;
+..assert composed2 = 10;
+
+..out "Performance and stress test completed successfully"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/16_function_composition.txt b/js/scripting-lang/tests/16_function_composition.txt
new file mode 100644
index 0000000..6b1b13f
--- /dev/null
+++ b/js/scripting-lang/tests/16_function_composition.txt
@@ -0,0 +1,59 @@
+/* Function Composition Test Suite */
+
+/* Test basic function definitions */
+double : x -> x * 2;
+add1 : x -> x + 1;
+square : x -> x * x;
+
+/* Test 1: Basic composition with compose */
+result1 : compose @double @add1 5;
+..out result1;
+
+/* Test 2: Multiple composition with compose */
+result2 : compose @double (compose @add1 @square) 3;
+..out result2;
+
+/* Test 3: Function references */
+ref1 : @double;
+..out ref1;
+
+/* Test 4: Function references in composition */
+result3 : compose @double @add1 5;
+..out result3;
+
+/* Test 5: Pipe function (binary) */
+result4 : pipe @double @add1 5;
+..out result4;
+
+/* Test 6: Compose function (binary) */
+result5 : compose @double @add1 2;
+..out result5;
+
+/* Test 7: Multiple composition with pipe */
+result6 : pipe @square (pipe @add1 @double) 2;
+..out result6;
+
+/* Test 8: Backward compatibility - arithmetic */
+x : 10;
+result7 : x + 5;
+..out result7;
+
+/* Test 9: Backward compatibility - function application */
+result8 : double x;
+..out result8;
+
+/* Test 10: Backward compatibility - nested application */
+result9 : double (add1 x);
+..out result9;
+
+/* Test 11: Backward compatibility - unary operators */
+result10 : -x;
+..out result10;
+
+/* Test 12: Backward compatibility - logical operators */
+result11 : not true;
+..out result11;
+
+/* Test 13: Complex composition chain */
+result12 : compose @square (compose @add1 (compose @double @add1)) 3;
+..out result12; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/dev_01_simple_test.txt b/js/scripting-lang/tests/dev_01_simple_test.txt
new file mode 100644
index 0000000..74edad2
--- /dev/null
+++ b/js/scripting-lang/tests/dev_01_simple_test.txt
@@ -0,0 +1,9 @@
+/* Simple test for function call parsing */
+
+factorial : n ->
+  when n is
+    0 then 1
+    _ then n * (factorial (n - 1));
+
+result : factorial 5;
+..out result;
\ No newline at end of file
diff --git a/js/scripting-lang/tests/dev_02_test_parser_changes.txt b/js/scripting-lang/tests/dev_02_test_parser_changes.txt
new file mode 100644
index 0000000..a4af8bb
--- /dev/null
+++ b/js/scripting-lang/tests/dev_02_test_parser_changes.txt
@@ -0,0 +1,35 @@
+/* Test: Parser Changes */
+/* Tests: Operator expressions are now translated to combinator calls */
+
+/* Test arithmetic operations */
+result1 : 3 + 4;
+result2 : 10 - 3;
+result3 : 5 * 6;
+result4 : 20 / 4;
+result5 : -7;
+
+..out result1;
+..out result2;
+..out result3;
+..out result4;
+..out result5;
+
+/* Test comparison operations */
+test1 : 5 = 5;
+test2 : 3 != 7;
+test3 : 2 < 8;
+test4 : 10 > 3;
+
+..out test1;
+..out test2;
+..out test3;
+..out test4;
+
+/* Test logical operations */
+logic1 : true and true;
+logic2 : false or true;
+logic3 : not false;
+
+..out logic1;
+..out logic2;
+..out logic3; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/integration_01_basic_features.txt b/js/scripting-lang/tests/integration_01_basic_features.txt
new file mode 100644
index 0000000..f669f8a
--- /dev/null
+++ b/js/scripting-lang/tests/integration_01_basic_features.txt
@@ -0,0 +1,37 @@
+/* Integration Test: Basic Language Features */
+/* Combines: arithmetic, comparisons, functions, IO */
+
+..out "=== Integration Test: Basic Features ===";
+
+/* Define utility functions */
+add_func : x y -> x + y;
+multiply_func : x y -> x * y;
+isEven : x -> x % 2 = 0;
+isPositive : x -> x > 0;
+
+/* Test arithmetic with functions */
+sum : add_func 10 5;
+product : multiply_func 4 6;
+doubled : multiply_func 2 sum;
+
+..assert sum = 15;
+..assert product = 24;
+..assert doubled = 30;
+
+/* Test comparisons with functions */
+even_test : isEven 8;
+odd_test : isEven 7;
+positive_test : isPositive 5;
+negative_test : isPositive -3;
+
+..assert even_test = true;
+..assert odd_test = false;
+..assert positive_test = true;
+..assert negative_test = false;
+
+/* Test complex expressions */
+complex : add_func (multiply_func 3 4) (isEven 10 and isPositive 5);
+
+..assert complex = 13;
+
+..out "Basic features integration test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/integration_02_pattern_matching.txt b/js/scripting-lang/tests/integration_02_pattern_matching.txt
new file mode 100644
index 0000000..a67bf59
--- /dev/null
+++ b/js/scripting-lang/tests/integration_02_pattern_matching.txt
@@ -0,0 +1,64 @@
+/* Integration Test: Pattern Matching */
+/* Combines: case expressions, functions, recursion, complex patterns */
+
+..out "=== Integration Test: Pattern Matching ===";
+
+/* Recursive factorial with case expressions */
+factorial : n -> 
+  when n is
+    0 then 1
+    _ then n * (factorial (n - 1));
+
+/* Pattern matching with multiple parameters */
+classify : x y -> 
+  when x y is
+    0 0 then "both zero"
+    0 _ then "x is zero"
+    _ 0 then "y is zero"
+    _ _ then when x is
+            0 then "x is zero (nested)"
+            _ then when y is
+                  0 then "y is zero (nested)"
+                  _ then "neither zero";
+
+/* Test factorial */
+fact5 : factorial 5;
+fact3 : factorial 3;
+
+..assert fact5 = 120;
+..assert fact3 = 6;
+
+/* Test classification */
+test1 : classify 0 0;
+test2 : classify 0 5;
+test3 : classify 5 0;
+test4 : classify 5 5;
+
+..assert test1 = "both zero";
+..assert test2 = "x is zero";
+..assert test3 = "y is zero";
+..assert test4 = "neither zero";
+
+/* Complex nested case expressions */
+analyze : x y z -> 
+  when x y z is
+    0 0 0 then "all zero"
+    0 0 _ then "x and y zero"
+    0 _ 0 then "x and z zero"
+    _ 0 0 then "y and z zero"
+    0 _ _ then "only x zero"
+    _ 0 _ then "only y zero"
+    _ _ 0 then "only z zero"
+    _ _ _ then "none zero";
+
+result1 : analyze 0 0 0;
+result2 : analyze 0 1 1;
+result3 : analyze 1 0 1;
+result4 : analyze 1 1 1;
+
+..assert result1 = "all zero";
+..assert result2 = "only x zero";
+..assert result3 = "only y zero";
+..assert result4 = "none zero";
+
+..out "Pattern matching integration test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/integration_03_functional_programming.txt b/js/scripting-lang/tests/integration_03_functional_programming.txt
new file mode 100644
index 0000000..a0e3668
--- /dev/null
+++ b/js/scripting-lang/tests/integration_03_functional_programming.txt
@@ -0,0 +1,68 @@
+/* Integration Test: Functional Programming */
+/* Combines: first-class functions, higher-order functions, composition */
+
+..out "=== Integration Test: Functional Programming ===";
+
+/* Basic functions */
+double_func : x -> x * 2;
+square_func : x -> x * x;
+add1 : x -> x + 1;
+identity_func : x -> x;
+isEven : x -> x % 2 = 0;
+
+/* Function composition */
+composed1 : compose @double_func @square_func 3;
+composed2 : compose @square_func @double_func 2;
+composed3 : compose @add1 @double_func 5;
+
+..assert composed1 = 18;
+..assert composed2 = 16;
+..assert composed3 = 11;
+
+/* Function piping */
+piped1 : pipe @double_func @square_func 3;
+piped2 : pipe @square_func @double_func 2;
+piped3 : pipe @add1 @double_func 5;
+
+..assert piped1 = 36;
+..assert piped2 = 8;
+..assert piped3 = 12;
+
+/* Function application */
+applied1 : apply @double_func 7;
+applied2 : apply @square_func 4;
+applied3 : apply @add1 10;
+
+..assert applied1 = 14;
+..assert applied2 = 16;
+..assert applied3 = 11;
+
+/* Function selection with case expressions */
+getOperation : type -> 
+  when type is
+    "double" then @double_func
+    "square" then @square_func
+    "add1"   then @add1
+    _        then @identity_func;
+
+/* Test function selection */
+op1 : getOperation "double";
+op2 : getOperation "square";
+op3 : getOperation "add1";
+op4 : getOperation "unknown";
+
+result1 : op1 5;
+result2 : op2 4;
+result3 : op3 7;
+result4 : op4 3;
+
+..assert result1 = 10;
+..assert result2 = 16;
+..assert result3 = 8;
+..assert result4 = 3;
+
+/* Complex functional composition */
+complex : compose @double_func (compose @square_func @add1) 3;
+..assert complex = 32;
+
+..out "Functional programming integration test completed"; 
\ No newline at end of file
diff --git a/js/scripting-lang/tests/integration_04_mini_case_multi_param.txt b/js/scripting-lang/tests/integration_04_mini_case_multi_param.txt
new file mode 100644
index 0000000..1814ae5
--- /dev/null
+++ b/js/scripting-lang/tests/integration_04_mini_case_multi_param.txt
@@ -0,0 +1,21 @@
+/* Integration Test: Multi-parameter case expression at top level */
+
+/* Test multi-parameter case expressions */
+compare : x y -> 
+  when x y is
+    0 0 then "both zero"
+    0 _ then "x is zero"
+    _ 0 then "y is zero"
+    _ _ then "neither zero";
+
+test1 : compare 0 0;
+test2 : compare 0 5;
+test3 : compare 5 0;
+test4 : compare 5 5;
+
+..assert test1 = "both zero";
+..assert test2 = "x is zero";
+..assert test3 = "y is zero";
+..assert test4 = "neither zero";
+
+..out "Multi-parameter case expression test completed"; 
\ No newline at end of file