std.json: move tests to json/test.zig file

This accomplishes two things:
 * Works around #8442 by putting stage1-specific logic in to disable all
   the std.json tests.
 * Slightly reduces installation size of zig since std lib files ending
   in "test.zig" are excluded from being installed.
This commit is contained in:
Andrew Kelley 2022-07-06 23:22:19 -07:00
parent 0101a5f75e
commit c9006d9479
2 changed files with 982 additions and 961 deletions

File diff suppressed because it is too large Load Diff

View File

@ -6,6 +6,23 @@
const std = @import("../std.zig");
const json = std.json;
const testing = std.testing;
const TokenStream = std.json.TokenStream;
const parse = std.json.parse;
const ParseOptions = std.json.ParseOptions;
const parseFree = std.json.parseFree;
const Parser = std.json.Parser;
const mem = std.mem;
const writeStream = std.json.writeStream;
const Value = std.json.Value;
const StringifyOptions = std.json.StringifyOptions;
const stringify = std.json.stringify;
const stringifyAlloc = std.json.stringifyAlloc;
const StreamingParser = std.json.StreamingParser;
const Token = std.json.Token;
const validate = std.json.validate;
const Array = std.json.Array;
const ObjectMap = std.json.ObjectMap;
const assert = std.debug.assert;
fn testNonStreaming(s: []const u8) !void {
var p = json.Parser.init(testing.allocator, false);
@ -2004,3 +2021,809 @@ test "out of UTF-16 range" {
try utf8Error("\"\xfe\x80\x80\x80\"");
try utf8Error("\"\xff\x80\x80\x80\"");
}
test "parse" {
var ts = TokenStream.init("false");
try testing.expectEqual(false, try parse(bool, &ts, ParseOptions{}));
ts = TokenStream.init("true");
try testing.expectEqual(true, try parse(bool, &ts, ParseOptions{}));
ts = TokenStream.init("1");
try testing.expectEqual(@as(u1, 1), try parse(u1, &ts, ParseOptions{}));
ts = TokenStream.init("50");
try testing.expectError(error.Overflow, parse(u1, &ts, ParseOptions{}));
ts = TokenStream.init("42");
try testing.expectEqual(@as(u64, 42), try parse(u64, &ts, ParseOptions{}));
ts = TokenStream.init("42.0");
try testing.expectEqual(@as(f64, 42), try parse(f64, &ts, ParseOptions{}));
ts = TokenStream.init("null");
try testing.expectEqual(@as(?bool, null), try parse(?bool, &ts, ParseOptions{}));
ts = TokenStream.init("true");
try testing.expectEqual(@as(?bool, true), try parse(?bool, &ts, ParseOptions{}));
ts = TokenStream.init("\"foo\"");
try testing.expectEqual(@as([3]u8, "foo".*), try parse([3]u8, &ts, ParseOptions{}));
ts = TokenStream.init("[102, 111, 111]");
try testing.expectEqual(@as([3]u8, "foo".*), try parse([3]u8, &ts, ParseOptions{}));
ts = TokenStream.init("[]");
try testing.expectEqual(@as([0]u8, undefined), try parse([0]u8, &ts, ParseOptions{}));
}
test "parse into enum" {
const T = enum(u32) {
Foo = 42,
Bar,
@"with\\escape",
};
var ts = TokenStream.init("\"Foo\"");
try testing.expectEqual(@as(T, .Foo), try parse(T, &ts, ParseOptions{}));
ts = TokenStream.init("42");
try testing.expectEqual(@as(T, .Foo), try parse(T, &ts, ParseOptions{}));
ts = TokenStream.init("\"with\\\\escape\"");
try testing.expectEqual(@as(T, .@"with\\escape"), try parse(T, &ts, ParseOptions{}));
ts = TokenStream.init("5");
try testing.expectError(error.InvalidEnumTag, parse(T, &ts, ParseOptions{}));
ts = TokenStream.init("\"Qux\"");
try testing.expectError(error.InvalidEnumTag, parse(T, &ts, ParseOptions{}));
}
test "parse with trailing data" {
var ts = TokenStream.init("falsed");
try testing.expectEqual(false, try parse(bool, &ts, ParseOptions{ .allow_trailing_data = true }));
ts = TokenStream.init("falsed");
try testing.expectError(error.InvalidTopLevelTrailing, parse(bool, &ts, ParseOptions{ .allow_trailing_data = false }));
// trailing whitespace is okay
ts = TokenStream.init("false \n");
try testing.expectEqual(false, try parse(bool, &ts, ParseOptions{ .allow_trailing_data = false }));
}
test "parse into that allocates a slice" {
var ts = TokenStream.init("\"foo\"");
try testing.expectError(error.AllocatorRequired, parse([]u8, &ts, ParseOptions{}));
const options = ParseOptions{ .allocator = testing.allocator };
{
ts = TokenStream.init("\"foo\"");
const r = try parse([]u8, &ts, options);
defer parseFree([]u8, r, options);
try testing.expectEqualSlices(u8, "foo", r);
}
{
ts = TokenStream.init("[102, 111, 111]");
const r = try parse([]u8, &ts, options);
defer parseFree([]u8, r, options);
try testing.expectEqualSlices(u8, "foo", r);
}
{
ts = TokenStream.init("\"with\\\\escape\"");
const r = try parse([]u8, &ts, options);
defer parseFree([]u8, r, options);
try testing.expectEqualSlices(u8, "with\\escape", r);
}
}
test "parse into tagged union" {
{
const T = union(enum) {
int: i32,
float: f64,
string: []const u8,
};
var ts = TokenStream.init("1.5");
try testing.expectEqual(T{ .float = 1.5 }, try parse(T, &ts, ParseOptions{}));
}
{ // failing allocations should be bubbled up instantly without trying next member
var fail_alloc = testing.FailingAllocator.init(testing.allocator, 0);
const options = ParseOptions{ .allocator = fail_alloc.allocator() };
const T = union(enum) {
// both fields here match the input
string: []const u8,
array: [3]u8,
};
var ts = TokenStream.init("[1,2,3]");
try testing.expectError(error.OutOfMemory, parse(T, &ts, options));
}
{
// if multiple matches possible, takes first option
const T = union(enum) {
x: u8,
y: u8,
};
var ts = TokenStream.init("42");
try testing.expectEqual(T{ .x = 42 }, try parse(T, &ts, ParseOptions{}));
}
{ // needs to back out when first union member doesn't match
const T = union(enum) {
A: struct { x: u32 },
B: struct { y: u32 },
};
var ts = TokenStream.init("{\"y\":42}");
try testing.expectEqual(T{ .B = .{ .y = 42 } }, try parse(T, &ts, ParseOptions{}));
}
}
test "parse union bubbles up AllocatorRequired" {
{ // string member first in union (and not matching)
const T = union(enum) {
string: []const u8,
int: i32,
};
var ts = TokenStream.init("42");
try testing.expectError(error.AllocatorRequired, parse(T, &ts, ParseOptions{}));
}
{ // string member not first in union (and matching)
const T = union(enum) {
int: i32,
float: f64,
string: []const u8,
};
var ts = TokenStream.init("\"foo\"");
try testing.expectError(error.AllocatorRequired, parse(T, &ts, ParseOptions{}));
}
}
test "parseFree descends into tagged union" {
var fail_alloc = testing.FailingAllocator.init(testing.allocator, 1);
const options = ParseOptions{ .allocator = fail_alloc.allocator() };
const T = union(enum) {
int: i32,
float: f64,
string: []const u8,
};
// use a string with unicode escape so we know result can't be a reference to global constant
var ts = TokenStream.init("\"with\\u0105unicode\"");
const r = try parse(T, &ts, options);
try testing.expectEqual(std.meta.Tag(T).string, @as(std.meta.Tag(T), r));
try testing.expectEqualSlices(u8, "withąunicode", r.string);
try testing.expectEqual(@as(usize, 0), fail_alloc.deallocations);
parseFree(T, r, options);
try testing.expectEqual(@as(usize, 1), fail_alloc.deallocations);
}
test "parse with comptime field" {
{
const T = struct {
comptime a: i32 = 0,
b: bool,
};
var ts = TokenStream.init(
\\{
\\ "a": 0,
\\ "b": true
\\}
);
try testing.expectEqual(T{ .a = 0, .b = true }, try parse(T, &ts, ParseOptions{}));
}
{ // string comptime values currently require an allocator
const T = union(enum) {
foo: struct {
comptime kind: []const u8 = "boolean",
b: bool,
},
bar: struct {
comptime kind: []const u8 = "float",
b: f64,
},
};
const options = ParseOptions{
.allocator = std.testing.allocator,
};
var ts = TokenStream.init(
\\{
\\ "kind": "float",
\\ "b": 1.0
\\}
);
const r = try parse(T, &ts, options);
// check that parseFree doesn't try to free comptime fields
parseFree(T, r, options);
}
}
test "parse into struct with no fields" {
const T = struct {};
var ts = TokenStream.init("{}");
try testing.expectEqual(T{}, try parse(T, &ts, ParseOptions{}));
}
test "parse into struct with misc fields" {
@setEvalBranchQuota(10000);
const options = ParseOptions{ .allocator = testing.allocator };
const T = struct {
int: i64,
float: f64,
@"with\\escape": bool,
@"withąunicode😂": bool,
language: []const u8,
optional: ?bool,
default_field: i32 = 42,
static_array: [3]f64,
dynamic_array: []f64,
complex: struct {
nested: []const u8,
},
veryComplex: []struct {
foo: []const u8,
},
a_union: Union,
const Union = union(enum) {
x: u8,
float: f64,
string: []const u8,
};
};
var ts = TokenStream.init(
\\{
\\ "int": 420,
\\ "float": 3.14,
\\ "with\\escape": true,
\\ "with\u0105unicode\ud83d\ude02": false,
\\ "language": "zig",
\\ "optional": null,
\\ "static_array": [66.6, 420.420, 69.69],
\\ "dynamic_array": [66.6, 420.420, 69.69],
\\ "complex": {
\\ "nested": "zig"
\\ },
\\ "veryComplex": [
\\ {
\\ "foo": "zig"
\\ }, {
\\ "foo": "rocks"
\\ }
\\ ],
\\ "a_union": 100000
\\}
);
const r = try parse(T, &ts, options);
defer parseFree(T, r, options);
try testing.expectEqual(@as(i64, 420), r.int);
try testing.expectEqual(@as(f64, 3.14), r.float);
try testing.expectEqual(true, r.@"with\\escape");
try testing.expectEqual(false, r.@"withąunicode😂");
try testing.expectEqualSlices(u8, "zig", r.language);
try testing.expectEqual(@as(?bool, null), r.optional);
try testing.expectEqual(@as(i32, 42), r.default_field);
try testing.expectEqual(@as(f64, 66.6), r.static_array[0]);
try testing.expectEqual(@as(f64, 420.420), r.static_array[1]);
try testing.expectEqual(@as(f64, 69.69), r.static_array[2]);
try testing.expectEqual(@as(usize, 3), r.dynamic_array.len);
try testing.expectEqual(@as(f64, 66.6), r.dynamic_array[0]);
try testing.expectEqual(@as(f64, 420.420), r.dynamic_array[1]);
try testing.expectEqual(@as(f64, 69.69), r.dynamic_array[2]);
try testing.expectEqualSlices(u8, r.complex.nested, "zig");
try testing.expectEqualSlices(u8, "zig", r.veryComplex[0].foo);
try testing.expectEqualSlices(u8, "rocks", r.veryComplex[1].foo);
try testing.expectEqual(T.Union{ .float = 100000 }, r.a_union);
}
test "parse into struct with strings and arrays with sentinels" {
@setEvalBranchQuota(10000);
const options = ParseOptions{ .allocator = testing.allocator };
const T = struct {
language: [:0]const u8,
language_without_sentinel: []const u8,
data: [:99]const i32,
simple_data: []const i32,
};
var ts = TokenStream.init(
\\{
\\ "language": "zig",
\\ "language_without_sentinel": "zig again!",
\\ "data": [1, 2, 3],
\\ "simple_data": [4, 5, 6]
\\}
);
const r = try parse(T, &ts, options);
defer parseFree(T, r, options);
try testing.expectEqualSentinel(u8, 0, "zig", r.language);
const data = [_:99]i32{ 1, 2, 3 };
try testing.expectEqualSentinel(i32, 99, data[0..data.len], r.data);
// Make sure that arrays who aren't supposed to have a sentinel still parse without one.
try testing.expectEqual(@as(?i32, null), std.meta.sentinel(@TypeOf(r.simple_data)));
try testing.expectEqual(@as(?u8, null), std.meta.sentinel(@TypeOf(r.language_without_sentinel)));
}
test "parse into struct with duplicate field" {
// allow allocator to detect double frees by keeping bucket in use
const ballast = try testing.allocator.alloc(u64, 1);
defer testing.allocator.free(ballast);
const options_first = ParseOptions{ .allocator = testing.allocator, .duplicate_field_behavior = .UseFirst };
const options_last = ParseOptions{
.allocator = testing.allocator,
.duplicate_field_behavior = .UseLast,
};
const str = "{ \"a\": 1, \"a\": 0.25 }";
const T1 = struct { a: *u64 };
// both .UseFirst and .UseLast should fail because second "a" value isn't a u64
var ts = TokenStream.init(str);
try testing.expectError(error.InvalidNumber, parse(T1, &ts, options_first));
ts = TokenStream.init(str);
try testing.expectError(error.InvalidNumber, parse(T1, &ts, options_last));
const T2 = struct { a: f64 };
ts = TokenStream.init(str);
try testing.expectEqual(T2{ .a = 1.0 }, try parse(T2, &ts, options_first));
ts = TokenStream.init(str);
try testing.expectEqual(T2{ .a = 0.25 }, try parse(T2, &ts, options_last));
const T3 = struct { comptime a: f64 = 1.0 };
// .UseFirst should succeed because second "a" value is unconditionally ignored (even though != 1.0)
const t3 = T3{ .a = 1.0 };
ts = TokenStream.init(str);
try testing.expectEqual(t3, try parse(T3, &ts, options_first));
// .UseLast should fail because second "a" value is 0.25 which is not equal to default value of 1.0
ts = TokenStream.init(str);
try testing.expectError(error.UnexpectedValue, parse(T3, &ts, options_last));
}
test "parse into struct ignoring unknown fields" {
const T = struct {
int: i64,
language: []const u8,
};
const ops = ParseOptions{
.allocator = testing.allocator,
.ignore_unknown_fields = true,
};
var ts = TokenStream.init(
\\{
\\ "int": 420,
\\ "float": 3.14,
\\ "with\\escape": true,
\\ "with\u0105unicode\ud83d\ude02": false,
\\ "optional": null,
\\ "static_array": [66.6, 420.420, 69.69],
\\ "dynamic_array": [66.6, 420.420, 69.69],
\\ "complex": {
\\ "nested": "zig"
\\ },
\\ "veryComplex": [
\\ {
\\ "foo": "zig"
\\ }, {
\\ "foo": "rocks"
\\ }
\\ ],
\\ "a_union": 100000,
\\ "language": "zig"
\\}
);
const r = try parse(T, &ts, ops);
defer parseFree(T, r, ops);
try testing.expectEqual(@as(i64, 420), r.int);
try testing.expectEqualSlices(u8, "zig", r.language);
}
const ParseIntoRecursiveUnionDefinitionValue = union(enum) {
integer: i64,
array: []const ParseIntoRecursiveUnionDefinitionValue,
};
test "parse into recursive union definition" {
const T = struct {
values: ParseIntoRecursiveUnionDefinitionValue,
};
const ops = ParseOptions{ .allocator = testing.allocator };
var ts = TokenStream.init("{\"values\":[58]}");
const r = try parse(T, &ts, ops);
defer parseFree(T, r, ops);
try testing.expectEqual(@as(i64, 58), r.values.array[0].integer);
}
const ParseIntoDoubleRecursiveUnionValueFirst = union(enum) {
integer: i64,
array: []const ParseIntoDoubleRecursiveUnionValueSecond,
};
const ParseIntoDoubleRecursiveUnionValueSecond = union(enum) {
boolean: bool,
array: []const ParseIntoDoubleRecursiveUnionValueFirst,
};
test "parse into double recursive union definition" {
const T = struct {
values: ParseIntoDoubleRecursiveUnionValueFirst,
};
const ops = ParseOptions{ .allocator = testing.allocator };
var ts = TokenStream.init("{\"values\":[[58]]}");
const r = try parse(T, &ts, ops);
defer parseFree(T, r, ops);
try testing.expectEqual(@as(i64, 58), r.values.array[0].array[0].integer);
}
test "json.parser.dynamic" {
var p = Parser.init(testing.allocator, false);
defer p.deinit();
const s =
\\{
\\ "Image": {
\\ "Width": 800,
\\ "Height": 600,
\\ "Title": "View from 15th Floor",
\\ "Thumbnail": {
\\ "Url": "http://www.example.com/image/481989943",
\\ "Height": 125,
\\ "Width": 100
\\ },
\\ "Animated" : false,
\\ "IDs": [116, 943, 234, 38793],
\\ "ArrayOfObject": [{"n": "m"}],
\\ "double": 1.3412,
\\ "LargeInt": 18446744073709551615
\\ }
\\}
;
var tree = try p.parse(s);
defer tree.deinit();
var root = tree.root;
var image = root.Object.get("Image").?;
const width = image.Object.get("Width").?;
try testing.expect(width.Integer == 800);
const height = image.Object.get("Height").?;
try testing.expect(height.Integer == 600);
const title = image.Object.get("Title").?;
try testing.expect(mem.eql(u8, title.String, "View from 15th Floor"));
const animated = image.Object.get("Animated").?;
try testing.expect(animated.Bool == false);
const array_of_object = image.Object.get("ArrayOfObject").?;
try testing.expect(array_of_object.Array.items.len == 1);
const obj0 = array_of_object.Array.items[0].Object.get("n").?;
try testing.expect(mem.eql(u8, obj0.String, "m"));
const double = image.Object.get("double").?;
try testing.expect(double.Float == 1.3412);
const large_int = image.Object.get("LargeInt").?;
try testing.expect(mem.eql(u8, large_int.NumberString, "18446744073709551615"));
}
test "write json then parse it" {
var out_buffer: [1000]u8 = undefined;
var fixed_buffer_stream = std.io.fixedBufferStream(&out_buffer);
const out_stream = fixed_buffer_stream.writer();
var jw = writeStream(out_stream, 4);
try jw.beginObject();
try jw.objectField("f");
try jw.emitBool(false);
try jw.objectField("t");
try jw.emitBool(true);
try jw.objectField("int");
try jw.emitNumber(1234);
try jw.objectField("array");
try jw.beginArray();
try jw.arrayElem();
try jw.emitNull();
try jw.arrayElem();
try jw.emitNumber(12.34);
try jw.endArray();
try jw.objectField("str");
try jw.emitString("hello");
try jw.endObject();
var parser = Parser.init(testing.allocator, false);
defer parser.deinit();
var tree = try parser.parse(fixed_buffer_stream.getWritten());
defer tree.deinit();
try testing.expect(tree.root.Object.get("f").?.Bool == false);
try testing.expect(tree.root.Object.get("t").?.Bool == true);
try testing.expect(tree.root.Object.get("int").?.Integer == 1234);
try testing.expect(tree.root.Object.get("array").?.Array.items[0].Null == {});
try testing.expect(tree.root.Object.get("array").?.Array.items[1].Float == 12.34);
try testing.expect(mem.eql(u8, tree.root.Object.get("str").?.String, "hello"));
}
fn testParse(arena_allocator: std.mem.Allocator, json_str: []const u8) !Value {
var p = Parser.init(arena_allocator, false);
return (try p.parse(json_str)).root;
}
test "parsing empty string gives appropriate error" {
var arena_allocator = std.heap.ArenaAllocator.init(std.testing.allocator);
defer arena_allocator.deinit();
try testing.expectError(error.UnexpectedEndOfJson, testParse(arena_allocator.allocator(), ""));
}
test "integer after float has proper type" {
var arena_allocator = std.heap.ArenaAllocator.init(std.testing.allocator);
defer arena_allocator.deinit();
const parsed = try testParse(arena_allocator.allocator(),
\\{
\\ "float": 3.14,
\\ "ints": [1, 2, 3]
\\}
);
try std.testing.expect(parsed.Object.get("ints").?.Array.items[0] == .Integer);
}
test "parse exponential into int" {
const T = struct { int: i64 };
var ts = TokenStream.init("{ \"int\": 4.2e2 }");
const r = try parse(T, &ts, ParseOptions{});
try testing.expectEqual(@as(i64, 420), r.int);
ts = TokenStream.init("{ \"int\": 0.042e2 }");
try testing.expectError(error.InvalidNumber, parse(T, &ts, ParseOptions{}));
ts = TokenStream.init("{ \"int\": 18446744073709551616.0 }");
try testing.expectError(error.Overflow, parse(T, &ts, ParseOptions{}));
}
test "escaped characters" {
var arena_allocator = std.heap.ArenaAllocator.init(std.testing.allocator);
defer arena_allocator.deinit();
const input =
\\{
\\ "backslash": "\\",
\\ "forwardslash": "\/",
\\ "newline": "\n",
\\ "carriagereturn": "\r",
\\ "tab": "\t",
\\ "formfeed": "\f",
\\ "backspace": "\b",
\\ "doublequote": "\"",
\\ "unicode": "\u0105",
\\ "surrogatepair": "\ud83d\ude02"
\\}
;
const obj = (try testParse(arena_allocator.allocator(), input)).Object;
try testing.expectEqualSlices(u8, obj.get("backslash").?.String, "\\");
try testing.expectEqualSlices(u8, obj.get("forwardslash").?.String, "/");
try testing.expectEqualSlices(u8, obj.get("newline").?.String, "\n");
try testing.expectEqualSlices(u8, obj.get("carriagereturn").?.String, "\r");
try testing.expectEqualSlices(u8, obj.get("tab").?.String, "\t");
try testing.expectEqualSlices(u8, obj.get("formfeed").?.String, "\x0C");
try testing.expectEqualSlices(u8, obj.get("backspace").?.String, "\x08");
try testing.expectEqualSlices(u8, obj.get("doublequote").?.String, "\"");
try testing.expectEqualSlices(u8, obj.get("unicode").?.String, "ą");
try testing.expectEqualSlices(u8, obj.get("surrogatepair").?.String, "😂");
}
test "string copy option" {
const input =
\\{
\\ "noescape": "aą😂",
\\ "simple": "\\\/\n\r\t\f\b\"",
\\ "unicode": "\u0105",
\\ "surrogatepair": "\ud83d\ude02"
\\}
;
var arena_allocator = std.heap.ArenaAllocator.init(std.testing.allocator);
defer arena_allocator.deinit();
const allocator = arena_allocator.allocator();
var parser = Parser.init(allocator, false);
const tree_nocopy = try parser.parse(input);
const obj_nocopy = tree_nocopy.root.Object;
parser = Parser.init(allocator, true);
const tree_copy = try parser.parse(input);
const obj_copy = tree_copy.root.Object;
for ([_][]const u8{ "noescape", "simple", "unicode", "surrogatepair" }) |field_name| {
try testing.expectEqualSlices(u8, obj_nocopy.get(field_name).?.String, obj_copy.get(field_name).?.String);
}
const nocopy_addr = &obj_nocopy.get("noescape").?.String[0];
const copy_addr = &obj_copy.get("noescape").?.String[0];
var found_nocopy = false;
for (input) |_, index| {
try testing.expect(copy_addr != &input[index]);
if (nocopy_addr == &input[index]) {
found_nocopy = true;
}
}
try testing.expect(found_nocopy);
}
test "stringify alloc" {
const allocator = std.testing.allocator;
const expected =
\\{"foo":"bar","answer":42,"my_friend":"sammy"}
;
const actual = try stringifyAlloc(allocator, .{ .foo = "bar", .answer = 42, .my_friend = "sammy" }, .{});
defer allocator.free(actual);
try std.testing.expectEqualStrings(expected, actual);
}
test "json.serialize issue #5959" {
var parser: StreamingParser = undefined;
// StreamingParser has multiple internal fields set to undefined. This causes issues when using
// expectEqual so these are zeroed. We are testing for equality here only because this is a
// known small test reproduction which hits the relevant LLVM issue.
std.mem.set(u8, @ptrCast([*]u8, &parser)[0..@sizeOf(StreamingParser)], 0);
try std.testing.expectEqual(parser, parser);
}
fn checkNext(p: *TokenStream, id: std.meta.Tag(Token)) !void {
const token = (p.next() catch unreachable).?;
try testing.expect(std.meta.activeTag(token) == id);
}
test "json.token" {
const s =
\\{
\\ "Image": {
\\ "Width": 800,
\\ "Height": 600,
\\ "Title": "View from 15th Floor",
\\ "Thumbnail": {
\\ "Url": "http://www.example.com/image/481989943",
\\ "Height": 125,
\\ "Width": 100
\\ },
\\ "Animated" : false,
\\ "IDs": [116, 943, 234, 38793]
\\ }
\\}
;
var p = TokenStream.init(s);
try checkNext(&p, .ObjectBegin);
try checkNext(&p, .String); // Image
try checkNext(&p, .ObjectBegin);
try checkNext(&p, .String); // Width
try checkNext(&p, .Number);
try checkNext(&p, .String); // Height
try checkNext(&p, .Number);
try checkNext(&p, .String); // Title
try checkNext(&p, .String);
try checkNext(&p, .String); // Thumbnail
try checkNext(&p, .ObjectBegin);
try checkNext(&p, .String); // Url
try checkNext(&p, .String);
try checkNext(&p, .String); // Height
try checkNext(&p, .Number);
try checkNext(&p, .String); // Width
try checkNext(&p, .Number);
try checkNext(&p, .ObjectEnd);
try checkNext(&p, .String); // Animated
try checkNext(&p, .False);
try checkNext(&p, .String); // IDs
try checkNext(&p, .ArrayBegin);
try checkNext(&p, .Number);
try checkNext(&p, .Number);
try checkNext(&p, .Number);
try checkNext(&p, .Number);
try checkNext(&p, .ArrayEnd);
try checkNext(&p, .ObjectEnd);
try checkNext(&p, .ObjectEnd);
try testing.expect((try p.next()) == null);
}
test "json.token mismatched close" {
var p = TokenStream.init("[102, 111, 111 }");
try checkNext(&p, .ArrayBegin);
try checkNext(&p, .Number);
try checkNext(&p, .Number);
try checkNext(&p, .Number);
try testing.expectError(error.UnexpectedClosingBrace, p.next());
}
test "json.token premature object close" {
var p = TokenStream.init("{ \"key\": }");
try checkNext(&p, .ObjectBegin);
try checkNext(&p, .String);
try testing.expectError(error.InvalidValueBegin, p.next());
}
test "json.validate" {
try testing.expectEqual(true, validate("{}"));
try testing.expectEqual(true, validate("[]"));
try testing.expectEqual(true, validate("[{[[[[{}]]]]}]"));
try testing.expectEqual(false, validate("{]"));
try testing.expectEqual(false, validate("[}"));
try testing.expectEqual(false, validate("{{{{[]}}}]"));
}
test "Value.jsonStringify" {
{
var buffer: [10]u8 = undefined;
var fbs = std.io.fixedBufferStream(&buffer);
try @as(Value, .Null).jsonStringify(.{}, fbs.writer());
try testing.expectEqualSlices(u8, fbs.getWritten(), "null");
}
{
var buffer: [10]u8 = undefined;
var fbs = std.io.fixedBufferStream(&buffer);
try (Value{ .Bool = true }).jsonStringify(.{}, fbs.writer());
try testing.expectEqualSlices(u8, fbs.getWritten(), "true");
}
{
var buffer: [10]u8 = undefined;
var fbs = std.io.fixedBufferStream(&buffer);
try (Value{ .Integer = 42 }).jsonStringify(.{}, fbs.writer());
try testing.expectEqualSlices(u8, fbs.getWritten(), "42");
}
{
var buffer: [10]u8 = undefined;
var fbs = std.io.fixedBufferStream(&buffer);
try (Value{ .NumberString = "43" }).jsonStringify(.{}, fbs.writer());
try testing.expectEqualSlices(u8, fbs.getWritten(), "43");
}
{
var buffer: [10]u8 = undefined;
var fbs = std.io.fixedBufferStream(&buffer);
try (Value{ .Float = 42 }).jsonStringify(.{}, fbs.writer());
try testing.expectEqualSlices(u8, fbs.getWritten(), "4.2e+01");
}
{
var buffer: [10]u8 = undefined;
var fbs = std.io.fixedBufferStream(&buffer);
try (Value{ .String = "weeee" }).jsonStringify(.{}, fbs.writer());
try testing.expectEqualSlices(u8, fbs.getWritten(), "\"weeee\"");
}
{
var buffer: [10]u8 = undefined;
var fbs = std.io.fixedBufferStream(&buffer);
var vals = [_]Value{
.{ .Integer = 1 },
.{ .Integer = 2 },
.{ .NumberString = "3" },
};
try (Value{
.Array = Array.fromOwnedSlice(undefined, &vals),
}).jsonStringify(.{}, fbs.writer());
try testing.expectEqualSlices(u8, fbs.getWritten(), "[1,2,3]");
}
{
var buffer: [10]u8 = undefined;
var fbs = std.io.fixedBufferStream(&buffer);
var obj = ObjectMap.init(testing.allocator);
defer obj.deinit();
try obj.putNoClobber("a", .{ .String = "b" });
try (Value{ .Object = obj }).jsonStringify(.{}, fbs.writer());
try testing.expectEqualSlices(u8, fbs.getWritten(), "{\"a\":\"b\"}");
}
}