Accelerate symbolReferencesInternal by another factor of 2 and activate unit tests

tests/unit_tests.zig

@@ -1,102 +0,0 @@
-const analysis = @import("analysis");
-const types = @import("types");
-
-const std = @import("std");
-
-const allocator = std.testing.allocator;
-
-fn makeDocument(uri: []const u8, text: []const u8) !types.TextDocument {
-    const mem = try allocator.alloc(u8, text.len);
-    std.mem.copy(u8, mem, text);
-
-    return types.TextDocument{
-        .uri = uri,
-        .mem = mem,
-        .text = mem[0..],
-    };
-}
-
-fn freeDocument(doc: types.TextDocument) void {
-    allocator.free(doc.text);
-}
-
-fn makeUnnamedDocument(text: []const u8) !types.TextDocument {
-    return try makeDocument("test", text);
-}
-
-fn testContext(comptime line: []const u8, comptime tag: anytype, comptime range: ?[]const u8) !void {
-    const cursor_idx = comptime std.mem.indexOf(u8, line, "<cursor>").?;
-    const final_line = line[0..cursor_idx] ++ line[cursor_idx + "<cursor>".len ..];
-
-    const doc = try makeUnnamedDocument(final_line);
-    defer freeDocument(doc);
-
-    const ctx = try analysis.documentPositionContext(allocator, doc, types.Position{
-        .line = 0,
-        .character = @intCast(i64, cursor_idx),
-    });
-
-    if (std.meta.activeTag(ctx) != tag) {
-        std.debug.warn("Expected tag {}, got {}\n", .{ tag, std.meta.activeTag(ctx) });
-        return error.DifferentTag;
-    }
-
-    if (ctx.range()) |ctx_range| {
-        if (range == null) {
-            std.debug.warn("Expected null range, got `{s}`\n", .{
-                doc.text[ctx_range.start..ctx_range.end],
-            });
-        } else {
-            const range_start = comptime std.mem.indexOf(u8, final_line, range.?).?;
-            const range_end = range_start + range.?.len;
-
-            if (range_start != ctx_range.start or range_end != ctx_range.end) {
-                std.debug.warn("Expected range `{s}` ({}..{}), got `{s}` ({}..{})\n", .{
-                    doc.text[range_start..range_end],         range_start,     range_end,
-                    doc.text[ctx_range.start..ctx_range.end], ctx_range.start, ctx_range.end,
-                });
-                return error.DifferentRange;
-            }
-        }
-    } else if (range != null) {
-        std.debug.warn("Unexpected null range\n", .{});
-        return error.DifferentRange;
-    }
-}
-
-test "documentPositionContext" {
-    try testContext(
-        \\const this_var = id<cursor>entifier;
-    ,
-        .var_access,
-        "id",
-    );
-
-    try testContext(
-        \\if (displ.*.?.c.*[0].<cursor>@"a" == foo) {
-    ,
-        .field_access,
-        "displ.*.?.c.*[0].",
-    );
-
-    try testContext(
-        \\const arr = std.ArrayList(SomeStruct(a, b, c, d)).in<cursor>it(allocator);
-    ,
-        .field_access,
-        "std.ArrayList(SomeStruct(a, b, c, d)).in",
-    );
-
-    try testContext(
-        \\try erroringFn(the_first[arg], second[a..<cursor>]);
-    ,
-        .empty,
-        null,
-    );
-
-    try testContext(
-        \\    fn add(lhf: lself, rhs: rself) !Se<cursor> {
-    ,
-        .var_access,
-        "Se",
-    );
-}