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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2024 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import SwiftDiagnostics
import SwiftIfConfig
import SwiftParser
import SwiftSyntax
import SwiftSyntaxMacrosGenericTestSupport
import XCTest
import _SwiftSyntaxGenericTestSupport
import _SwiftSyntaxTestSupport
public class ActiveRegionTests: XCTestCase {
let linuxBuildConfig = TestingBuildConfiguration(
customConditions: ["DEBUG", "ASSERTS"],
features: ["ParameterPacks"],
attributes: ["available"]
)
func testActiveRegions() throws {
try assertActiveCode(
"""
1️⃣
#if DEBUG
2️⃣func f()
#elseif ASSERTS
3️⃣func g()
#if compiler(>=8.0)
4️⃣func h()
#else
5️⃣var i
#endif
#endif
6️⃣token
""",
configuration: linuxBuildConfig,
states: [
"1️⃣": .active,
"2️⃣": .active,
"3️⃣": .inactive,
"4️⃣": .unparsed,
"5️⃣": .unparsed,
"6️⃣": .active,
]
)
}
func testActiveRegionsInPostfix() throws {
try assertActiveCode(
"""
1️⃣a.b()
#if DEBUG
2️⃣.c()
#elseif ASSERTS
3️⃣.d()
#if compiler(>=8.0)
4️⃣.e()
#else
5️⃣.f()
#endif
#endif
6️⃣.g()
""",
configuration: linuxBuildConfig,
states: [
"1️⃣": .active,
"2️⃣": .active,
"3️⃣": .inactive,
"4️⃣": .unparsed,
"5️⃣": .unparsed,
"6️⃣": .active,
],
configuredRegionDescription:
"[[1:6 - 3:5] = active, [3:5 - 10:7] = inactive, [5:5 - 7:5] = unparsed, [7:5 - 9:5] = unparsed)]"
)
}
func testActiveRegionsWithErrors() throws {
try assertActiveCode(
"""
#if FOO > 10
0️⃣class Foo {
}
#else
1️⃣class Fallback {
}
#endif
""",
states: [
"0️⃣": .unparsed,
"1️⃣": .active,
]
)
}
func testActiveRegionUnparsed() throws {
try assertActiveCode(
"""
#if false
#if compiler(>=4.1)
1️⃣let _: Int = 1
#else
// There should be no error here.
2️⃣foo bar
#endif
#endif
""",
states: [
"1️⃣": .unparsed,
"2️⃣": .unparsed,
]
)
}
}
/// Assert that the various marked positions in the source code have the
/// expected active states.
fileprivate func assertActiveCode(
_ markedSource: String,
configuration: some BuildConfiguration = TestingBuildConfiguration(),
states: [String: IfConfigRegionState],
configuredRegionDescription: String? = nil,
file: StaticString = #filePath,
line: UInt = #line
) throws {
// Pull out the markers that we'll use to dig out nodes to query.
let (markerLocations, source) = extractMarkers(markedSource)
var parser = Parser(source)
let tree = SourceFileSyntax.parse(from: &parser)
let configuredRegions = tree.configuredRegions(in: configuration)
for (marker, location) in markerLocations {
guard let expectedState = states[marker] else {
XCTFail("Missing marker \(marker) in expected states", file: file, line: line)
continue
}
guard let token = tree.token(at: AbsolutePosition(utf8Offset: location)) else {
XCTFail("Unable to find token at location \(location)", file: file, line: line)
continue
}
let (actualState, _) = token.isActive(in: configuration)
XCTAssertEqual(actualState, expectedState, "isActive(in:) at marker \(marker)", file: file, line: line)
let actualViaRegions = configuredRegions.isActive(token)
XCTAssertEqual(
actualViaRegions,
expectedState,
"isActive(inConfiguredRegions:) at marker \(marker)",
file: file,
line: line
)
if let configuredRegionDescription {
XCTAssertEqual(
configuredRegions.debugDescription,
configuredRegionDescription,
"configured region descsription",
file: file,
line: line
)
}
}
}
|
