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basic_functionality.re
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basic_functionality.re
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open Grain_tests.TestFramework;
open Grain_tests.Runner;
describe("basic functionality", ({test, testSkip}) => {
let test_or_skip =
Sys.backend_type == Other("js_of_ocaml") ? testSkip : test;
let assertSnapshot = makeSnapshotRunner(test);
let assertSnapshotFile = makeSnapshotFileRunner(test);
let assertCompileError = makeCompileErrorRunner(test);
let assertFilesize = makeFilesizeRunner(test);
let assertParse = makeParseRunner(test);
let assertRun = makeRunner(test_or_skip);
let assertRunError = makeErrorRunner(test_or_skip);
let smallestFileConfig = () => {
Grain_utils.Config.elide_type_info := true;
Grain_utils.Config.profile := Some(Grain_utils.Config.Release);
};
assertSnapshot("nil", "");
assertSnapshot("forty", "let x = 40; x");
assertSnapshot("neg", "-40");
assertSnapshot("simple_min", "-1073741824");
assertSnapshot("simple_max", "1073741823");
assertSnapshot("bigint_start_neg", "-0xffff_ffff_ffff_ffff");
assertSnapshot("bigint_start_pos", "0xffff_ffff_ffff_ffff");
assertSnapshot("heap_number_i32_wrapper", "1073741824");
assertSnapshot("heap_number_i32_wrapper_max", "2147483647");
assertSnapshot("heap_number_i64_wrapper", "2147483648");
assertSnapshot("hex_dec_exp1", "0x1p5");
assertSnapshot("hex_dec_exp2", "0x1.4p5");
assertSnapshot("hex_dec_exp3", "0x1p-5");
assertSnapshot("hex_dec_exp4", "0x1Ap5");
assertSnapshot("hex_dec_exp5", "0x1A.4p5");
assertSnapshot("hex_dec_exp5", "0x1A.4Ap5");
assertSnapshot("hex", "0xff");
assertSnapshot("hex_neg", "-0xff");
assertSnapshot("bin", "0b1010");
assertSnapshot("bin_neg", "-0b1010");
assertSnapshot("oct", "0o77");
assertSnapshot("oct_neg", "-0o77");
assertSnapshot("fals", "let x = false; x");
assertSnapshot("tru", "let x = true; x");
assertSnapshot("infinity", "let x = Infinity; x");
assertRun("infinity_2", "assert Infinity == 1.0 / 0.0", "");
assertRun("infinity_3", "assert Infinity == Infinity", "");
assertSnapshot("infinity_neg", "let x = -Infinity; x");
assertRun("infinity_neg_2", "assert -Infinity == -1.0 / 0.0", "");
assertRun("infinity_neg_3", "assert -Infinity == -Infinity", "");
assertSnapshot("nan", "let x = NaN; x");
assertRun("nan_2", "assert NaN != NaN", "");
assertSnapshot(
"complex1",
"\n let x = 2 and y = 3 and z = if (true) { 4 } else { 5 };\n if (true) {\n print(y)\n y - (z + x)\n } else {\n print(8)\n 8\n }\n ",
);
assertSnapshot("complex2", "print(2 + 3)");
assertSnapshot("binop1", "2 + 2");
assertSnapshot("binop2", "2 - 2");
assertSnapshot("binop2.1", "2-2");
assertSnapshot("binop2.2", "2 -
2");
assertSnapshot("binop2.3", "2
- 2");
assertSnapshot("binop2.4", "- 2");
assertSnapshot("binop3", "2 - 4");
assertSnapshot("binop4", "2 * 3");
assertSnapshot("binop5", "10 / 5");
assertSnapshot("binop6", "9 % 5");
assertRunError(
"division_by_zero",
"let nine = 9; nine / 0",
"Division by zero",
);
assertRunError("modulo_by_zero", "9 % 0", "Modulo by zero");
assertSnapshot("division1", "5 / 2");
assertSnapshot("modulo1", "-17 % 4");
assertSnapshot("modulo2", "17 % -4");
assertSnapshot("modulo3", "-17 % -4");
assertSnapshot("modulo4", "-17 % 17");
assertSnapshot("modulo5", "17 % -17");
assertSnapshot("modulo6", "17 % 17");
assertSnapshot("and1", "true && true");
assertSnapshot("and2", "true && false");
assertSnapshot("and3", "false && true");
assertSnapshot("and4", "false && false");
assertSnapshot("andshort1", "true && {print(1); false}");
assertSnapshot("andshort2", "false && {print(1); false}");
assertSnapshot("andshadow", "let (&&) = (+); 1 && 2");
assertSnapshot("or1", "true || true");
assertSnapshot("or2", "true || false");
assertSnapshot("or3", "false || true");
assertSnapshot("or4", "false || false");
assertSnapshot("orshort1", "true || {print(1); false}");
assertSnapshot("orshort2", "false || {print(1); false}");
assertSnapshot("orshadow", "let (||) = (+); 1 || 2");
assertSnapshot("land1", "1 & 1");
assertSnapshot("land2", "1 & 0");
assertSnapshot("land3", "0 & 1");
assertSnapshot("land4", "0 & 0");
assertSnapshot("lor1", "1 | 1");
assertSnapshot("lor2", "1 | 0");
assertSnapshot("lor3", "0 | 1");
assertSnapshot("lor4", "0 | 0");
assertSnapshot("lxor1", "1 ^ 1");
assertSnapshot("lxor2", "1 ^ 0");
assertSnapshot("lxor3", "0 ^ 1");
assertSnapshot("lxor4", "0 ^ 0");
assertSnapshot("lsl1", "7 << 1");
assertSnapshot("lsl2", "0 << 1");
assertSnapshot("lsr1", "7 >>> 1");
assertSnapshot("lsr2", "0 >>> 1");
assertSnapshot("asr1", "179 >> 1");
assertSnapshot("asr2", "0 >> 1");
assertSnapshot("comp1", "if (2 < 3) {true} else {false}");
assertCompileError("comp1e", "if (2 < 3) {true} else {3}", "type");
assertSnapshot("comp2", "if (2 <= 3) {true} else {false}");
assertCompileError("comp2e", "if (2 <= 3) {true} else {3}", "type");
assertSnapshot("comp3", "if (2 >= 3) {4} else {5}");
assertSnapshot("comp4", "if (2 > 3) {4} else {5}");
assertSnapshot("comp5", "if (2 < 3) {4} else {5}");
assertSnapshot("comp6", "if (2 == 3) {8} else {9}");
assertSnapshot("comp7", "if (2 == 2) {8} else {9}");
assertSnapshot("comp8", "if (2 <= 2) {10} else {11}");
assertSnapshot("comp9", "if (2 >= 2) {10} else {11}");
assertSnapshot("comp10", "let x = 2 and y = 4; (y - 2) == x");
assertCompileError("comp11", "true == 2", "has type Number but");
assertCompileError("comp12", "2 == false", "has type Bool but");
assertSnapshot("comp13", "true == true");
assertSnapshot("comp14", "true == false");
assertSnapshot("comp15", "false == true");
assertSnapshot("comp16", "false == false");
assertSnapshot("comp17", "false isnt true");
assertSnapshot("comp18", "4 isnt 1");
assertSnapshot("comp19", "[1, 2] is [1, 2]");
assertSnapshot("comp20", "[1, 2] isnt [1, 2]");
// These are not optimized into the same instance (boxes are mutable)
assertSnapshot("comp21", "[box(1)] is [box(1)]");
assertSnapshot("comp22", "[box(1)] isnt [box(1)]");
assertSnapshot("precedence1", "3 + 4 * 6");
assertSnapshot("precedence2", "4 * 6 + 3");
assertSnapshot("precedence3", "3 + 4 % 6");
assertSnapshot("precedence4", "4 % 6 + 3");
assertSnapshot("precedence5", "4 > 3 && 9 < 13");
assertSnapshot("not1", "!true");
assertSnapshot("not2", "!false");
assertSnapshot("incr_1", "incr(2)");
assertSnapshot("incr_2", "incr(5)");
assertSnapshot("incr_3", "incr(-1)");
assertSnapshot("decr_1", "decr(2)");
assertSnapshot("decr_2", "decr(5)");
assertSnapshot("decr_3", "decr(0)");
assertCompileError("comp_bool1", "if (2 < true) {3} else {4}", "type");
assertCompileError("comp_bool2", "if (2 > true) {3} else {4}", "type");
assertCompileError("comp_bool3", "if (true >= 4) {3} else {4}", "type");
assertCompileError(
"comp_bool4",
"let x = true; if (x < 4) {3} else {5}",
"type",
);
assertSnapshot("void", "{\"foo\";}");
assertCompileError("arith1", "2 + true", "type");
assertCompileError("arith2", "true + 4", "type");
assertCompileError("arith3", "false - 5", "type");
assertCompileError("arith4", "4 - true", "type");
assertCompileError("arith5", "let x = true; x * 4", "type");
assertCompileError("arith6", "let x = false; 4 * x", "type");
assertCompileError("if1", "if (2) {5} else {6}", "type");
assertCompileError("if2", "let y = 0; if (y) {5} else {6}", "type");
assertCompileError("if3", "if (decr(1)) {2} else {5}", "type");
assertSnapshot("if4", "if (false) 1 else if (false) 2 else {3}");
assertSnapshot("if_one_sided", "if (3 < 4) print(5)");
assertSnapshot("if_one_sided2", "if (3 > 4) print(5)");
assertSnapshot("if_one_sided3", "let mut x = 1; if (3 < 4) x = 2");
assertSnapshot("if_one_sided4", "let mut x = 1; if (3 < 4) x = 2; x");
assertSnapshot("if_one_sided5", "let mut x = 1; if (3 < 4) x = 2 + 3");
assertSnapshot("if_one_sided6", "let mut x = 1; if (3 < 4) x = 2 + 3; x");
assertCompileError(
"if_empty_block",
"if (false) 1 else {}",
"Syntax error",
);
assertCompileError(
"if_one_sided_type_err",
"let foo = (if (false) { ignore(5) }); let bar = foo + 5; bar",
"has type Void but",
);
assertCompileError(
"value_restriction",
{|let f = () => x => x; let id = f(); let a = id(1); let b = id("a")|},
"has type String but",
);
assertCompileError(
"exports_weak_types",
{|provide let f = box(x => 0)|},
"type variables that cannot be generalized",
);
assertSnapshot("int32_1", "42l");
assertSnapshot("int64_1", "99999999999999999L");
assertSnapshot("uint32_1", "42ul");
assertSnapshot("uint64_1", "99999999999999999uL");
assertSnapshot("int64_pun_1", "9999999 * 99999999");
assertSnapshot("int64_pun_2", "-99999999 - 999999999");
assertSnapshot("bigint_1", "9223372036854775807 + 1");
assertSnapshot("bigint_2", "0x42355430892589308190890313423");
assertSnapshot("block_no_expression", "let f = () => { let x = 5 }; f()");
assertSnapshotFile("func_shadow", "funcShadow");
assertSnapshotFile(
"func_shadow_and_indirect_call",
"funcShadowAndIndirect",
);
/* Assertions */
assertSnapshot("assert1", "assert true");
assertSnapshot("assert2", "assert 3 + 3 == 6");
assertRunError(
"assert3",
"assert false",
"AssertionError: Assertion failed in assert3, line 1",
);
assertRunError(
"assert4",
"assert 4 - 1 == 14",
"AssertionError: Assertion failed in assert4, line 1",
);
/* Failures */
assertRunError("fail1", "ignore(fail \"boo\")", "Failure: boo");
assertRunError(
"fail2",
"if (false) { 3 } else { fail \"boo\" }",
"Failure: boo",
);
assertSnapshotFile("toplevel_statements", "toplevelStatements");
assertSnapshotFile(
~config_fn=() => {Grain_utils.Config.no_gc := true},
"unsafe_wasm_globals",
"unsafeWasmGlobals",
);
assertSnapshotFile("pattern_match_unsafe_wasm", "patternMatchUnsafeWasm");
/* Unicode support */
Grain_parsing.(
Ast_helper.(
assertParse(
"unicode_identifiers",
{|
module Test
enum Caipirinha {
Cacha莽a,
Sugar,
Lime,
}
let pok茅mon = "pikachu"
type 脺ber = Number
|},
{
compile_flags: Grain_tests.Test_utils.default_compile_flags,
module_name: Location.mknoloc("Test"),
statements: [
Toplevel.data([
(
Asttypes.NotProvided,
DataDeclaration.variant(
Location.mknoloc("Caipirinha"),
[],
[
ConstructorDeclaration.singleton(
Location.mknoloc("Cacha莽a"),
),
ConstructorDeclaration.singleton(
Location.mknoloc("Sugar"),
),
ConstructorDeclaration.singleton(
Location.mknoloc("Lime"),
),
],
),
),
]),
Toplevel.let_(
Asttypes.NotProvided,
Asttypes.Nonrecursive,
Asttypes.Immutable,
[
ValueBinding.mk(
Pattern.var(Location.mknoloc("pok茅mon")),
Expression.constant(Constant.string("pikachu")),
),
],
),
Toplevel.data([
(
Asttypes.NotProvided,
DataDeclaration.abstract(
Location.mknoloc("脺ber"),
[],
Some(
Type.constr(
Location.mknoloc(
Identifier.IdentName(Location.mknoloc("Number")),
),
[],
),
),
),
),
]),
],
comments: [],
prog_loc: Location.dummy_loc,
},
)
)
);
assertRun(
"magic",
{|
primitive magic = "@magic"
let helloBytes = b"hello"
print(magic(helloBytes) ++ " world")
|},
"hello world\n",
);
assertFilesize(
~config_fn=smallestFileConfig,
"smallest_grain_program",
"",
5099,
);
});