38 lines
1.3 KiB
Zig
38 lines
1.3 KiB
Zig
const std = @import("std");
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const zls = @import("zls");
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fn gen(alloc: std.mem.Allocator, rand: std.rand.Random) ![]const u8 {
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var buffer = try alloc.alloc(u8, rand.intRangeAtMost(usize, 0, 256));
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for (buffer) |*b| b.* = rand.intRangeAtMost(u8, ' ', '~');
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return buffer;
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}
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test "diff - random" {
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const allocator = std.testing.allocator;
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try std.testing.checkAllAllocationFailures(allocator, testDiff, .{ 0, .@"utf-8" });
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for (0..30) |i| {
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try testDiff(allocator, i, .@"utf-8");
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try testDiff(allocator, i, .@"utf-16");
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try testDiff(allocator, i, .@"utf-32");
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}
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}
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fn testDiff(allocator: std.mem.Allocator, seed: u64, encoding: zls.offsets.Encoding) !void {
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var rand = std.rand.DefaultPrng.init(seed);
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const before = try gen(allocator, rand.random());
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defer allocator.free(before);
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const after = try gen(allocator, rand.random());
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defer allocator.free(after);
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var edits = try zls.diff.edits(allocator, before, after, encoding);
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defer {
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for (edits.items) |edit| allocator.free(edit.newText);
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edits.deinit(allocator);
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}
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const applied = try zls.diff.applyTextEdits(allocator, before, edits.items, encoding);
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defer allocator.free(applied);
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try std.testing.expectEqualStrings(after, applied);
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}
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