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313 lines
10 KiB
C++
313 lines
10 KiB
C++
//===- unittest/Format/SortImportsTestJS.cpp - JS import sort unit tests --===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "FormatTestUtils.h"
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#include "clang/Format/Format.h"
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#include "llvm/Support/Debug.h"
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#include "gtest/gtest.h"
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#define DEBUG_TYPE "format-test"
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namespace clang {
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namespace format {
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namespace {
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class SortImportsTestJS : public ::testing::Test {
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protected:
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std::string sort(StringRef Code, unsigned Offset = 0, unsigned Length = 0) {
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StringRef FileName = "input.js";
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if (Length == 0U)
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Length = Code.size() - Offset;
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std::vector<tooling::Range> Ranges(1, tooling::Range(Offset, Length));
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auto Sorted =
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applyAllReplacements(Code, sortIncludes(Style, Code, Ranges, FileName));
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EXPECT_TRUE(static_cast<bool>(Sorted));
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auto Formatted = applyAllReplacements(
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*Sorted, reformat(Style, *Sorted, Ranges, FileName));
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EXPECT_TRUE(static_cast<bool>(Formatted));
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return *Formatted;
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}
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void verifySort(llvm::StringRef Expected, llvm::StringRef Code,
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unsigned Offset = 0, unsigned Length = 0) {
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std::string Result = sort(Code, Offset, Length);
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EXPECT_EQ(Expected.str(), Result) << "Expected:\n"
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<< Expected << "\nActual:\n"
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<< Result;
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}
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FormatStyle Style = getGoogleStyle(FormatStyle::LK_JavaScript);
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};
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TEST_F(SortImportsTestJS, AlreadySorted) {
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verifySort("import {sym} from 'a';\n"
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"import {sym} from 'b';\n"
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"import {sym} from 'c';\n"
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"\n"
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"let x = 1;",
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"import {sym} from 'a';\n"
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"import {sym} from 'b';\n"
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"import {sym} from 'c';\n"
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"\n"
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"let x = 1;");
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}
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TEST_F(SortImportsTestJS, BasicSorting) {
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verifySort("import {sym} from 'a';\n"
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"import {sym} from 'b';\n"
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"import {sym} from 'c';\n"
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"\n"
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"let x = 1;",
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"import {sym} from 'a';\n"
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"import {sym} from 'c';\n"
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"import {sym} from 'b';\n"
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"let x = 1;");
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}
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TEST_F(SortImportsTestJS, DefaultBinding) {
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verifySort("import A from 'a';\n"
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"import B from 'b';\n"
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"\n"
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"let x = 1;",
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"import B from 'b';\n"
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"import A from 'a';\n"
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"let x = 1;");
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}
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TEST_F(SortImportsTestJS, DefaultAndNamedBinding) {
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verifySort("import A, {a} from 'a';\n"
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"import B, {b} from 'b';\n"
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"\n"
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"let x = 1;",
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"import B, {b} from 'b';\n"
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"import A, {a} from 'a';\n"
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"let x = 1;");
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}
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TEST_F(SortImportsTestJS, WrappedImportStatements) {
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verifySort("import {sym1, sym2} from 'a';\n"
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"import {sym} from 'b';\n"
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"\n"
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"1;",
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"import\n"
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" {sym}\n"
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" from 'b';\n"
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"import {\n"
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" sym1,\n"
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" sym2\n"
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"} from 'a';\n"
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"1;");
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}
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TEST_F(SortImportsTestJS, SeparateMainCodeBody) {
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verifySort("import {sym} from 'a';"
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"\n"
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"let x = 1;\n",
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"import {sym} from 'a'; let x = 1;\n");
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}
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TEST_F(SortImportsTestJS, Comments) {
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verifySort("/** @fileoverview This is a great file. */\n"
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"// A very important import follows.\n"
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"import {sym} from 'a'; /* more comments */\n"
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"import {sym} from 'b'; // from //foo:bar\n",
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"/** @fileoverview This is a great file. */\n"
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"import {sym} from 'b'; // from //foo:bar\n"
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"// A very important import follows.\n"
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"import {sym} from 'a'; /* more comments */\n");
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verifySort("import {sym} from 'a';\n"
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"import {sym} from 'b';\n"
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"\n"
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"/** Comment on variable. */\n"
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"const x = 1;\n",
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"import {sym} from 'b';\n"
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"import {sym} from 'a';\n"
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"\n"
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"/** Comment on variable. */\n"
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"const x = 1;\n");
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}
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TEST_F(SortImportsTestJS, SortStar) {
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verifySort("import * as foo from 'a';\n"
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"import {sym} from 'a';\n"
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"import * as bar from 'b';\n",
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"import {sym} from 'a';\n"
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"import * as foo from 'a';\n"
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"import * as bar from 'b';\n");
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}
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TEST_F(SortImportsTestJS, AliasesSymbols) {
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verifySort("import {sym1 as alias1} from 'b';\n"
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"import {sym2 as alias2, sym3 as alias3} from 'c';\n",
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"import {sym2 as alias2, sym3 as alias3} from 'c';\n"
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"import {sym1 as alias1} from 'b';\n");
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}
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TEST_F(SortImportsTestJS, SortSymbols) {
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verifySort("import {sym1, sym2 as a, sym3} from 'b';\n",
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"import {sym2 as a, sym1, sym3} from 'b';\n");
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verifySort("import {sym1 /* important! */, /*!*/ sym2 as a} from 'b';\n",
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"import {/*!*/ sym2 as a, sym1 /* important! */} from 'b';\n");
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verifySort("import {sym1, sym2} from 'b';\n", "import {\n"
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" sym2 \n"
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",\n"
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" sym1 \n"
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"} from 'b';\n");
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}
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TEST_F(SortImportsTestJS, GroupImports) {
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verifySort("import {a} from 'absolute';\n"
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"\n"
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"import {b} from '../parent';\n"
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"import {b} from '../parent/nested';\n"
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"\n"
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"import {b} from './relative/path';\n"
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"import {b} from './relative/path/nested';\n"
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"\n"
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"let x = 1;\n",
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"import {b} from './relative/path/nested';\n"
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"import {b} from './relative/path';\n"
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"import {b} from '../parent/nested';\n"
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"import {b} from '../parent';\n"
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"import {a} from 'absolute';\n"
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"let x = 1;\n");
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}
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TEST_F(SortImportsTestJS, Exports) {
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verifySort("import {S} from 'bpath';\n"
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"\n"
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"import {T} from './cpath';\n"
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"\n"
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"export {A, B} from 'apath';\n"
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"export {P} from '../parent';\n"
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"export {R} from './relative';\n"
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"export {S};\n"
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"\n"
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"let x = 1;\n"
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"export y = 1;\n",
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"export {R} from './relative';\n"
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"import {T} from './cpath';\n"
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"export {S};\n"
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"export {A, B} from 'apath';\n"
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"import {S} from 'bpath';\n"
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"export {P} from '../parent';\n"
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"let x = 1;\n"
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"export y = 1;\n");
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verifySort("import {S} from 'bpath';\n"
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"\n"
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"export {T} from 'epath';\n",
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"export {T} from 'epath';\n"
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"import {S} from 'bpath';\n");
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}
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TEST_F(SortImportsTestJS, SideEffectImports) {
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verifySort("import 'ZZside-effect';\n"
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"import 'AAside-effect';\n"
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"\n"
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"import {A} from 'absolute';\n"
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"\n"
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"import {R} from './relative';\n",
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"import {R} from './relative';\n"
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"import 'ZZside-effect';\n"
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"import {A} from 'absolute';\n"
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"import 'AAside-effect';\n");
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}
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TEST_F(SortImportsTestJS, AffectedRange) {
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// Affected range inside of import statements.
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verifySort("import {sym} from 'a';\n"
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"import {sym} from 'b';\n"
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"import {sym} from 'c';\n"
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"\n"
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"let x = 1;",
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"import {sym} from 'c';\n"
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"import {sym} from 'b';\n"
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"import {sym} from 'a';\n"
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"let x = 1;",
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0, 30);
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// Affected range outside of import statements.
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verifySort("import {sym} from 'c';\n"
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"import {sym} from 'b';\n"
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"import {sym} from 'a';\n"
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"\n"
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"let x = 1;",
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"import {sym} from 'c';\n"
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"import {sym} from 'b';\n"
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"import {sym} from 'a';\n"
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"\n"
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"let x = 1;",
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70, 1);
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}
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TEST_F(SortImportsTestJS, SortingCanShrink) {
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// Sort excluding a suffix.
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verifySort("import {B} from 'a';\n"
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"import {A} from 'b';\n"
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"\n"
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"1;",
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"import {A} from 'b';\n"
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"\n"
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"import {B} from 'a';\n"
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"\n"
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"1;");
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}
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TEST_F(SortImportsTestJS, TrailingComma) {
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verifySort("import {A, B,} from 'aa';\n", "import {B, A,} from 'aa';\n");
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}
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TEST_F(SortImportsTestJS, SortCaseInsensitive) {
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verifySort("import {A} from 'aa';\n"
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"import {A} from 'Ab';\n"
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"import {A} from 'b';\n"
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"import {A} from 'Bc';\n"
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"\n"
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"1;",
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"import {A} from 'b';\n"
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"import {A} from 'Bc';\n"
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"import {A} from 'Ab';\n"
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"import {A} from 'aa';\n"
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"\n"
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"1;");
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verifySort("import {aa, Ab, b, Bc} from 'x';\n"
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"\n"
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"1;",
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"import {b, Bc, Ab, aa} from 'x';\n"
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"\n"
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"1;");
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}
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TEST_F(SortImportsTestJS, SortMultiLine) {
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// Reproduces issue where multi-line import was not parsed correctly.
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verifySort("import {A} from 'a';\n"
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"import {A} from 'b';\n"
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"\n"
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"1;",
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"import\n"
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"{\n"
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"A\n"
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"}\n"
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"from\n"
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"'b';\n"
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"import {A} from 'a';\n"
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"\n"
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"1;");
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}
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TEST_F(SortImportsTestJS, SortDefaultImports) {
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// Reproduces issue where multi-line import was not parsed correctly.
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verifySort("import {A} from 'a';\n"
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"import {default as B} from 'b';\n",
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"import {default as B} from 'b';\n"
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"import {A} from 'a';\n");
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}
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} // end namespace
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} // end namespace format
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} // end namespace clang
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