diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 000000000000..04f32be0f134
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,4 @@
+# Make sure baseline files have consistent line endings
+*.txt text eol=lf
+*.snap text eol=lf
+*.debug-check text eol=lf
\ No newline at end of file
diff --git a/azure-pipelines-tests.yml b/azure-pipelines-tests.yml
new file mode 100644
index 000000000000..7197b9880ec2
--- /dev/null
+++ b/azure-pipelines-tests.yml
@@ -0,0 +1,19 @@
+steps:
+- task: NodeTool@0
+  inputs:
+    versionSpec: '$(node_version)'
+  displayName: 'Install Node.js'
+
+- script: npm install -g yarn
+  displayName: 'Get yarn'
+
+- script: yarn install
+  displayName: 'yarn install'
+
+- script: yarn test
+  displayName: 'Test'
+
+- task: PublishTestResults@2
+  inputs:
+    testResultsFiles: '**/junit.xml'
+  condition: succeededOrFailed()
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
new file mode 100644
index 000000000000..7a323b1d11a6
--- /dev/null
+++ b/azure-pipelines.yml
@@ -0,0 +1,109 @@
+trigger:
+- master
+- releases/*
+
+jobs:
+
+# Build and test on Windows
+- job: Test_Windows
+  displayName: Tests on Windows Node8
+  pool:
+    vmImage: vs2017-win2016
+  variables:
+    node_version: 8.x
+    report_summaries: true
+  steps:
+  - template: azure-pipelines-tests.yml
+
+# Build and test on macOS
+- job: Test_macOS
+  displayName: Tests on macOS Node8
+  pool:
+    vmImage: macos-10.13
+  variables:
+    node_version: 8.x
+    report_summaries: true
+  steps:
+  - template: azure-pipelines-tests.yml
+
+# Test on Linux
+- job: Test_Linux
+  displayName: Run tests
+  pool:
+    vmImage: 'Ubuntu 16.04'
+  strategy:
+    matrix:
+      Node8:
+        node_version: '8.x'
+      Node11:
+        node_version: '11.x'
+  variables:
+    report_summaries: true
+  steps:
+  - template: azure-pipelines-tests.yml
+
+# Test production bundle on Linux using Node 4
+- job: Prod_Linux
+  displayName: Test production bundle on Linux
+  pool:
+    vmImage: 'Ubuntu 16.04'
+  strategy:
+    matrix:
+      Node4:
+        node_version: '4.x'
+      Node9:
+        node_version: '9.x'
+  steps:
+  - task: NodeTool@0
+    inputs:
+      versionSpec: '11.x'
+    displayName: 'Install Node.js'
+
+  - script: npm install -g yarn
+    displayName: 'Get yarn'
+
+  - script: yarn install
+    displayName: 'yarn install'
+
+  - script: yarn check-deps
+    displayName: 'Check dependencies'
+
+  - script: yarn build
+    displayName: 'Build'
+
+  - task: NodeTool@0
+    inputs:
+      versionSpec: '$(node_version)'
+    displayName: 'Use Node.js $(node_version)'
+
+  - script: npm install -g yarn@1.5
+    displayName: 'Get yarn compatible with node 4'
+    condition: eq(variables['node_version'], '4.x')
+
+  - script: node ./scripts/test-dist.js
+    displayName: 'Test'
+
+  - task: PublishTestResults@2
+    inputs:
+      testResultsFiles: '**/junit.xml'
+    condition: and(variables['report_summaries'], succeededOrFailed())
+
+# Lint checks on Linux
+- job: Lint_linux
+  displayName: Lint (Linux)
+  pool:
+    vmImage: 'Ubuntu 16.04'
+  steps:
+  - task: NodeTool@0
+    inputs:
+      versionSpec: '8.x'
+    displayName: 'Install Node.js'
+
+  - script: yarn install
+    displayName: 'yarn install'
+
+  - script: yarn lint
+    displayName: 'Lint code'
+
+  - script: yarn lint-docs
+    displayName: 'Lint docs'
\ No newline at end of file
diff --git a/jest.config.js b/jest.config.js
index c837041ac2d4..1b6f86a6ed4a 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -17,9 +17,13 @@ module.exports = {
     "jest-snapshot-serializer-ansi"
   ],
   testRegex: "jsfmt\\.spec\\.js$|__tests__/.*\\.js$",
-  testPathIgnorePatterns: ["tests/new_react", "tests/more_react"].concat(
-    isOldNode ? requiresPrettierInternals : []
-  ),
+  testPathIgnorePatterns: ["tests/new_react", "tests/more_react"]
+    .concat(isOldNode ? requiresPrettierInternals : [])
+    .concat(
+      require("os").EOL == "\n"
+        ? ["tests_integration/__tests__/eol-crlf.js"]
+        : ["tests_integration/__tests__/eol-lf.js"]
+    ),
   collectCoverage: ENABLE_COVERAGE,
   collectCoverageFrom: ["src/**/*.js", "index.js", "!<rootDir>/node_modules/"],
   coveragePathIgnorePatterns: [
diff --git a/tests/windows/__snapshots__/jsfmt.spec.js.snap b/tests/windows/__snapshots__/jsfmt.spec.js.snap
deleted file mode 100644
index 6980c269cd22..000000000000
--- a/tests/windows/__snapshots__/jsfmt.spec.js.snap
+++ /dev/null
@@ -1,35 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`line-ending.js - flow-verify 1`] = `
-this;
-has;
-windows;
-line;
-endings;
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-this;
-has;
-windows;
-line;
-endings;
-
-`;
-
-exports[`template.js - flow-verify 1`] = `
-const aLongString = \`
-Line 1
-Line 2
-Line 3
-Line 4
-Line 5
-\`;
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-const aLongString = \`
-Line 1
-Line 2
-Line 3
-Line 4
-Line 5
-\`;
-
-`;
diff --git a/tests/windows/jsfmt.spec.js b/tests/windows/jsfmt.spec.js
deleted file mode 100644
index a842e1348721..000000000000
--- a/tests/windows/jsfmt.spec.js
+++ /dev/null
@@ -1 +0,0 @@
-run_spec(__dirname, ["flow", "typescript"]);
diff --git a/tests/windows/line-ending.js b/tests/windows/line-ending.js
deleted file mode 100644
index 65eb8ff78071..000000000000
--- a/tests/windows/line-ending.js
+++ /dev/null
@@ -1,5 +0,0 @@
-this;
-has;
-windows;
-line;
-endings;
diff --git a/tests/windows/template.js b/tests/windows/template.js
deleted file mode 100644
index 5b9e637adc51..000000000000
--- a/tests/windows/template.js
+++ /dev/null
@@ -1,7 +0,0 @@
-const aLongString = `
-Line 1
-Line 2
-Line 3
-Line 4
-Line 5
-`;
diff --git a/tests_integration/__tests__/__snapshots__/config-resolution.js.snap b/tests_integration/__tests__/__snapshots__/config-resolution.js.snap
index 0e3519797f91..c23a07772445 100644
--- a/tests_integration/__tests__/__snapshots__/config-resolution.js.snap
+++ b/tests_integration/__tests__/__snapshots__/config-resolution.js.snap
@@ -3,17 +3,7 @@
 exports[`CLI overrides take precedence (stderr) 1`] = `""`;
 
 exports[`CLI overrides take precedence (stdout) 1`] = `
-"function f() {/*CR*/	console.log(/*CR*/		\\"line endings should be CR\\"/*CR*/	)/*CR*/}/*CR*/function f() {/*CR*/
-	console.log(/*CR*/
-		\\"line endings should be CRLF\\"/*CR*/
-	)/*CR*/
-}/*CR*/
-function f() {
-	console.log(
-		\\"line endings should be LF\\"
-	)
-}
-function f() {
+"function f() {
 	console.log(
 		\\"should have tab width 8\\"
 	)
@@ -50,6 +40,8 @@ function js() {
 \\"use strict\\";
 
 module.exports = {
+        endOfLine:
+                \\"lf\\",
         tabWidth: 8
 };
 function noConfigJs() {
@@ -124,13 +116,7 @@ exports[`resolves configuration file with --find-config-path file (write) 1`] =
 exports[`resolves configuration from external files (stderr) 1`] = `""`;
 
 exports[`resolves configuration from external files (stdout) 1`] = `
-"function f() {/*CR*/	console.log(\\"line endings should be CR\\")/*CR*/}/*CR*/function f() {/*CR*/
-	console.log(\\"line endings should be CRLF\\")/*CR*/
-}/*CR*/
-function f() {
-	console.log(\\"line endings should be LF\\")
-}
-function f() {
+"function f() {
 	console.log(\\"should have tab width 8\\")
 }
 function f() {
@@ -153,6 +139,7 @@ function js() {
 \\"use strict\\";
 
 module.exports = {
+        endOfLine: \\"lf\\",
         tabWidth: 8
 };
 function noConfigJs() {
diff --git a/tests_integration/__tests__/__snapshots__/eol-crlf.js.snap b/tests_integration/__tests__/__snapshots__/eol-crlf.js.snap
new file mode 100644
index 000000000000..07511e6156a9
--- /dev/null
+++ b/tests_integration/__tests__/__snapshots__/eol-crlf.js.snap
@@ -0,0 +1,62 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Has correct default Windows line endings (stderr) 1`] = `""`;
+
+exports[`Has correct default Windows line endings (stdout) 1`] = `
+"function f() {
+	console.log(\\"should have tab width 8\\")
+}
+function f() {
+  console.log(\\"should have space width 2\\")
+}
+function f() {
+        console.log(\\"should have space width 8\\")
+}
+function f() {
+  console.log(
+    \\"should have space width 2 despite ../.editorconfig specifying 8, because ./.hg is present\\"
+  )
+}
+console.log(\\"jest/__best-tests__/file.js should have semi\\");/*CR*/
+console.log(\\"jest/Component.js should not have semi\\")/*CR*/
+console.log(\\"jest/Component.test.js should have semi\\");/*CR*/
+function js() {
+        console.log(\\"js/file.js should have tab width 8 (1 if CLI)\\");
+}
+\\"use strict\\";
+
+module.exports = {
+        endOfLine: \\"lf\\",
+        tabWidth: 8
+};
+function noConfigJs() {
+  console.log(\\"no-config/file.js should have no semicolons\\")
+}
+function packageJs() {/*CR*/
+   console.log(\\"package/file.js should have tab width 3\\");/*CR*/
+}/*CR*/
+function rcJson() {/*CR*/
+  console.log.apply(null, [/*CR*/
+    'rc-json/file.js',/*CR*/
+    'should have trailing comma',/*CR*/
+    'and single quotes',/*CR*/
+  ]);/*CR*/
+}/*CR*/
+function rcToml() {/*CR*/
+  console.log.apply(null, [/*CR*/
+    'rc-toml/file.js',/*CR*/
+    'should have trailing comma',/*CR*/
+    'and single quotes',/*CR*/
+  ]);/*CR*/
+}/*CR*/
+function rcYaml() {/*CR*/
+  console.log.apply(null, [/*CR*/
+    'rc-yaml/file.js',/*CR*/
+    'should have trailing comma',/*CR*/
+    'and single quotes',/*CR*/
+  ]);/*CR*/
+}/*CR*/
+"
+`;
+
+exports[`Has correct default Windows line endings (write) 1`] = `Array []`;
diff --git a/tests_integration/__tests__/__snapshots__/eol-lf.js.snap b/tests_integration/__tests__/__snapshots__/eol-lf.js.snap
new file mode 100644
index 000000000000..02ef9a4faddc
--- /dev/null
+++ b/tests_integration/__tests__/__snapshots__/eol-lf.js.snap
@@ -0,0 +1,62 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Has correct default Unix line endings (stderr) 1`] = `""`;
+
+exports[`Has correct default Unix line endings (stdout) 1`] = `
+"function f() {
+	console.log(\\"should have tab width 8\\")
+}
+function f() {
+  console.log(\\"should have space width 2\\")
+}
+function f() {
+        console.log(\\"should have space width 8\\")
+}
+function f() {
+  console.log(
+    \\"should have space width 2 despite ../.editorconfig specifying 8, because ./.hg is present\\"
+  )
+}
+console.log(\\"jest/__best-tests__/file.js should have semi\\");
+console.log(\\"jest/Component.js should not have semi\\")
+console.log(\\"jest/Component.test.js should have semi\\");
+function js() {
+        console.log(\\"js/file.js should have tab width 8 (1 if CLI)\\");
+}
+\\"use strict\\";
+
+module.exports = {
+        endOfLine: \\"lf\\",
+        tabWidth: 8
+};
+function noConfigJs() {
+  console.log(\\"no-config/file.js should have no semicolons\\")
+}
+function packageJs() {
+   console.log(\\"package/file.js should have tab width 3\\");
+}
+function rcJson() {
+  console.log.apply(null, [
+    'rc-json/file.js',
+    'should have trailing comma',
+    'and single quotes',
+  ]);
+}
+function rcToml() {
+  console.log.apply(null, [
+    'rc-toml/file.js',
+    'should have trailing comma',
+    'and single quotes',
+  ]);
+}
+function rcYaml() {
+  console.log.apply(null, [
+    'rc-yaml/file.js',
+    'should have trailing comma',
+    'and single quotes',
+  ]);
+}
+"
+`;
+
+exports[`Has correct default Unix line endings (write) 1`] = `Array []`;
diff --git a/tests_integration/__tests__/__snapshots__/with-config-precedence.js.snap b/tests_integration/__tests__/__snapshots__/with-config-precedence.js.snap
index 3ff3063e9652..9ac3ca80403a 100644
--- a/tests_integration/__tests__/__snapshots__/with-config-precedence.js.snap
+++ b/tests_integration/__tests__/__snapshots__/with-config-precedence.js.snap
@@ -54,6 +54,7 @@ exports[`CLI overrides gets ignored when config exists with --config-precedence
 \\"use strict\\";
 
 module.exports = {
+        endOfLine: \\"lf\\",
         tabWidth: 8
 };
 "
@@ -70,6 +71,7 @@ exports[`CLI overrides take lower precedence with --config-precedence file-overr
 \\"use strict\\";
 
 module.exports = {
+        endOfLine: \\"lf\\",
         tabWidth: 8
 };
 "
@@ -80,17 +82,7 @@ exports[`CLI overrides take lower precedence with --config-precedence file-overr
 exports[`CLI overrides take precedence with --config-precedence cli-override (stderr) 1`] = `""`;
 
 exports[`CLI overrides take precedence with --config-precedence cli-override (stdout) 1`] = `
-"function f() {/*CR*/	console.log(/*CR*/		\\"line endings should be CR\\"/*CR*/	)/*CR*/}/*CR*/function f() {/*CR*/
-	console.log(/*CR*/
-		\\"line endings should be CRLF\\"/*CR*/
-	)/*CR*/
-}/*CR*/
-function f() {
-	console.log(
-		\\"line endings should be LF\\"
-	)
-}
-function f() {
+"function f() {
 	console.log(
 		\\"should have tab width 8\\"
 	)
@@ -127,6 +119,8 @@ function js() {
 \\"use strict\\";
 
 module.exports = {
+        endOfLine:
+                \\"lf\\",
         tabWidth: 8
 };
 function noConfigJs() {
@@ -177,17 +171,7 @@ exports[`CLI overrides take precedence with --config-precedence cli-override (wr
 exports[`CLI overrides take precedence without --config-precedence (stderr) 1`] = `""`;
 
 exports[`CLI overrides take precedence without --config-precedence (stdout) 1`] = `
-"function f() {/*CR*/	console.log(/*CR*/		\\"line endings should be CR\\"/*CR*/	)/*CR*/}/*CR*/function f() {/*CR*/
-	console.log(/*CR*/
-		\\"line endings should be CRLF\\"/*CR*/
-	)/*CR*/
-}/*CR*/
-function f() {
-	console.log(
-		\\"line endings should be LF\\"
-	)
-}
-function f() {
+"function f() {
 	console.log(
 		\\"should have tab width 8\\"
 	)
@@ -224,6 +208,8 @@ function js() {
 \\"use strict\\";
 
 module.exports = {
+        endOfLine:
+                \\"lf\\",
         tabWidth: 8
 };
 function noConfigJs() {
diff --git a/tests_integration/__tests__/arg-parsing.js b/tests_integration/__tests__/arg-parsing.js
index 36420e2d1779..0b76417b562f 100644
--- a/tests_integration/__tests__/arg-parsing.js
+++ b/tests_integration/__tests__/arg-parsing.js
@@ -3,37 +3,67 @@
 const runPrettier = require("../runPrettier");
 
 describe("boolean flags do not swallow the next argument", () => {
-  runPrettier("cli/arg-parsing", ["--single-quote", "file.js"]).test({
+  runPrettier("cli/arg-parsing", [
+    "--end-of-line",
+    "lf",
+    "--single-quote",
+    "file.js"
+  ]).test({
     status: 0
   });
 });
 
 describe("negated options work", () => {
-  runPrettier("cli/arg-parsing", ["--no-semi", "file.js"]).test({
+  runPrettier("cli/arg-parsing", [
+    "--end-of-line",
+    "lf",
+    "--no-semi",
+    "file.js"
+  ]).test({
     status: 0
   });
 });
 
 describe("unknown options are warned", () => {
-  runPrettier("cli/arg-parsing", ["file.js", "--unknown"]).test({
+  runPrettier("cli/arg-parsing", [
+    "--end-of-line",
+    "lf",
+    "file.js",
+    "--unknown"
+  ]).test({
     status: 0
   });
 });
 
 describe("unknown negated options are warned", () => {
-  runPrettier("cli/arg-parsing", ["file.js", "--no-unknown"]).test({
+  runPrettier("cli/arg-parsing", [
+    "--end-of-line",
+    "lf",
+    "file.js",
+    "--no-unknown"
+  ]).test({
     status: 0
   });
 });
 
 describe("deprecated options are warned", () => {
-  runPrettier("cli/arg-parsing", ["file.js", "--flow-parser"]).test({
+  runPrettier("cli/arg-parsing", [
+    "--end-of-line",
+    "lf",
+    "file.js",
+    "--flow-parser"
+  ]).test({
     status: 0
   });
 });
 
 describe("deprecated option values are warned", () => {
-  runPrettier("cli/arg-parsing", ["file.js", "--trailing-comma"]).test({
+  runPrettier("cli/arg-parsing", [
+    "--end-of-line",
+    "lf",
+    "file.js",
+    "--trailing-comma"
+  ]).test({
     status: 0
   });
 });
diff --git a/tests_integration/__tests__/config-resolution.js b/tests_integration/__tests__/config-resolution.js
index 6072fde9796d..96ff204c6506 100644
--- a/tests_integration/__tests__/config-resolution.js
+++ b/tests_integration/__tests__/config-resolution.js
@@ -8,13 +8,13 @@ const prettier = require("prettier/local");
 expect.addSnapshotSerializer(require("../path-serializer"));
 
 describe("resolves configuration from external files", () => {
-  runPrettier("cli/config/", ["**/*.js"]).test({
+  runPrettier("cli/config/", ["--end-of-line", "lf", "**/*.js"]).test({
     status: 0
   });
 });
 
 describe("resolves configuration from external files and overrides by extname", () => {
-  runPrettier("cli/config/", ["**/*.ts"]).test({
+  runPrettier("cli/config/", ["--end-of-line", "lf", "**/*.ts"]).test({
     status: 0
   });
 });
@@ -50,14 +50,25 @@ describe("resolves toml configuration file with --find-config-path file", () =>
 });
 
 describe("prints nothing when no file found with --find-config-path", () => {
-  runPrettier("cli/config/", ["--find-config-path", ".."]).test({
+  runPrettier("cli/config/", [
+    "--end-of-line",
+    "lf",
+    "--find-config-path",
+    ".."
+  ]).test({
     stdout: "",
     status: 1
   });
 });
 
 describe("CLI overrides take precedence", () => {
-  runPrettier("cli/config/", ["--print-width", "1", "**/*.js"]).test({
+  runPrettier("cli/config/", [
+    "--end-of-line",
+    "lf",
+    "--print-width",
+    "1",
+    "**/*.js"
+  ]).test({
     status: 0
   });
 });
diff --git a/tests_integration/__tests__/debug-check.js b/tests_integration/__tests__/debug-check.js
index d0641ee64053..3d7ee2530218 100644
--- a/tests_integration/__tests__/debug-check.js
+++ b/tests_integration/__tests__/debug-check.js
@@ -22,6 +22,8 @@ describe("checks stdin with --debug-check", () => {
 
 describe("show diff for 2+ error files with --debug-check", () => {
   runPrettier("cli/debug-check", [
+    "--end-of-line",
+    "lf",
     "*.debug-check",
     "--debug-check",
     "--plugin",
diff --git a/tests_integration/__tests__/eol-crlf.js b/tests_integration/__tests__/eol-crlf.js
new file mode 100644
index 000000000000..622cc915deaf
--- /dev/null
+++ b/tests_integration/__tests__/eol-crlf.js
@@ -0,0 +1,11 @@
+"use strict";
+
+const runPrettier = require("../runPrettier");
+
+expect.addSnapshotSerializer(require("../path-serializer"));
+
+describe("Has correct default Windows line endings", () => {
+  runPrettier("cli/config/", ["**/*.js"]).test({
+    status: 0
+  });
+});
diff --git a/tests_integration/__tests__/eol-lf.js b/tests_integration/__tests__/eol-lf.js
new file mode 100644
index 000000000000..e8730e65f3d6
--- /dev/null
+++ b/tests_integration/__tests__/eol-lf.js
@@ -0,0 +1,11 @@
+"use strict";
+
+const runPrettier = require("../runPrettier");
+
+expect.addSnapshotSerializer(require("../path-serializer"));
+
+describe("Has correct default Unix line endings", () => {
+  runPrettier("cli/config/", ["**/*.js"]).test({
+    status: 0
+  });
+});
diff --git a/tests_integration/__tests__/ignore-path.js b/tests_integration/__tests__/ignore-path.js
index b4afa66e2c3c..f5ef0bed39af 100644
--- a/tests_integration/__tests__/ignore-path.js
+++ b/tests_integration/__tests__/ignore-path.js
@@ -26,7 +26,9 @@ describe("ignore file when using --debug-check", () => {
 });
 
 describe("outputs files as-is if no --write", () => {
-  runPrettier("cli/ignore-path", ["regular-module.js"]).test({
+  runPrettier("cli/ignore-path", ["regular-module.js"], {
+    ignoreLineEndings: true
+  }).test({
     status: 0
   });
 });
diff --git a/tests_integration/__tests__/infer-parser.js b/tests_integration/__tests__/infer-parser.js
index e5e766620166..da2d673fb1e0 100644
--- a/tests_integration/__tests__/infer-parser.js
+++ b/tests_integration/__tests__/infer-parser.js
@@ -49,7 +49,7 @@ describe("stdin with unknown path and no parser", () => {
 
 describe("unknown path and no parser", () => {
   describe("specific file", () => {
-    runPrettier("cli/infer-parser/", ["FOO"]).test({
+    runPrettier("cli/infer-parser/", ["--end-of-line", "lf", "FOO"]).test({
       status: 2,
       stdout: "",
       write: []
@@ -57,7 +57,7 @@ describe("unknown path and no parser", () => {
   });
 
   describe("multiple files", () => {
-    runPrettier("cli/infer-parser/", ["*"]).test({
+    runPrettier("cli/infer-parser/", ["--end-of-line", "lf", "*"]).test({
       status: 2,
       write: []
     });
diff --git a/tests_integration/__tests__/parser-api.js b/tests_integration/__tests__/parser-api.js
index e1c25e2b6321..e3af8b1281ce 100644
--- a/tests_integration/__tests__/parser-api.js
+++ b/tests_integration/__tests__/parser-api.js
@@ -31,6 +31,8 @@ test("allows usage of prettier's supported parsers", () => {
 
 describe("allows passing a string to resolve a parser", () => {
   runPrettier("./custom-parsers/", [
+    "--end-of-line",
+    "lf",
     "./custom-rename-input.js",
     "--parser",
     "./custom-rename-parser"
diff --git a/tests_integration/__tests__/plugin-extensions.js b/tests_integration/__tests__/plugin-extensions.js
index e13d3274693a..78169070149b 100644
--- a/tests_integration/__tests__/plugin-extensions.js
+++ b/tests_integration/__tests__/plugin-extensions.js
@@ -4,7 +4,9 @@ const runPrettier = require("../runPrettier");
 const EOL = "\n";
 
 describe("uses 'extensions' from languages to determine parser", () => {
-  runPrettier("plugins/extensions", ["*.foo", "--plugin=./plugin"]).test({
+  runPrettier("plugins/extensions", ["*.foo", "--plugin=./plugin"], {
+    ignoreLineEndings: true
+  }).test({
     stdout: "!contents" + EOL,
     stderr: "",
     status: 0,
diff --git a/tests_integration/__tests__/plugin-preprocess.js b/tests_integration/__tests__/plugin-preprocess.js
index ee6f97cb2dd8..9f6fba28445c 100644
--- a/tests_integration/__tests__/plugin-preprocess.js
+++ b/tests_integration/__tests__/plugin-preprocess.js
@@ -4,7 +4,9 @@ const runPrettier = require("../runPrettier");
 const EOL = "\n";
 
 describe("parser preprocess function is used to reshape input text", () => {
-  runPrettier("plugins/preprocess", ["*.foo", "--plugin=./plugin"]).test({
+  runPrettier("plugins/preprocess", ["*.foo", "--plugin=./plugin"], {
+    ignoreLineEndings: true
+  }).test({
     stdout: "preprocessed:contents" + EOL,
     stderr: "",
     status: 0,
diff --git a/tests_integration/__tests__/plugin-resolution.js b/tests_integration/__tests__/plugin-resolution.js
index 2e9a51d6f50c..645346a51495 100644
--- a/tests_integration/__tests__/plugin-resolution.js
+++ b/tests_integration/__tests__/plugin-resolution.js
@@ -74,11 +74,17 @@ describe("automatically loads '@prettier/plugin-*' from --plugin-search-dir (dif
 });
 
 describe("does not crash when --plugin-search-dir does not contain node_modules", () => {
-  runPrettier("plugins/extensions", [
-    "file.foo",
-    "--plugin=./plugin",
-    "--plugin-search-dir=."
-  ]).test({
+  runPrettier(
+    "plugins/extensions",
+    [
+      "file.foo",
+      "--end-of-line",
+      "lf",
+      "--plugin=./plugin",
+      "--plugin-search-dir=."
+    ],
+    { ignoreLineEndings: true }
+  ).test({
     stdout: "!contents" + EOL,
     stderr: "",
     status: 0,
diff --git a/tests_integration/__tests__/with-config-precedence.js b/tests_integration/__tests__/with-config-precedence.js
index 19333c35fbd7..d1e58beefcf5 100644
--- a/tests_integration/__tests__/with-config-precedence.js
+++ b/tests_integration/__tests__/with-config-precedence.js
@@ -3,13 +3,21 @@
 const runPrettier = require("../runPrettier");
 
 describe("CLI overrides take precedence without --config-precedence", () => {
-  runPrettier("cli/config/", ["--print-width", "1", "**/*.js"]).test({
+  runPrettier("cli/config/", [
+    "--end-of-line",
+    "lf",
+    "--print-width",
+    "1",
+    "**/*.js"
+  ]).test({
     status: 0
   });
 });
 
 describe("CLI overrides take precedence with --config-precedence cli-override", () => {
   runPrettier("cli/config/", [
+    "--end-of-line",
+    "lf",
     "--print-width",
     "1",
     "--config-precedence",
@@ -22,6 +30,8 @@ describe("CLI overrides take precedence with --config-precedence cli-override",
 
 describe("CLI overrides take lower precedence with --config-precedence file-override", () => {
   runPrettier("cli/config/js/", [
+    "--end-of-line",
+    "crlf",
     "--tab-width",
     "1",
     "--config-precedence",
@@ -34,6 +44,8 @@ describe("CLI overrides take lower precedence with --config-precedence file-over
 
 describe("CLI overrides are still applied when no config is found with --config-precedence file-override", () => {
   runPrettier("cli/config/no-config/", [
+    "--end-of-line",
+    "lf",
     "--tab-width",
     "6",
     "--config-precedence",
@@ -60,6 +72,8 @@ describe("CLI overrides gets ignored when config exists with --config-precedence
 
 describe("CLI overrides gets applied when no config exists with --config-precedence prefer-file", () => {
   runPrettier("cli/config/no-config/", [
+    "--end-of-line",
+    "lf",
     "--print-width",
     "1",
     "--tab-width",
diff --git a/tests_integration/__tests__/with-parser-inference.js b/tests_integration/__tests__/with-parser-inference.js
index a0b7ac8636d8..c8ca46a2ee5e 100644
--- a/tests_integration/__tests__/with-parser-inference.js
+++ b/tests_integration/__tests__/with-parser-inference.js
@@ -4,7 +4,7 @@ const runPrettier = require("../runPrettier");
 const prettier = require("prettier/local");
 
 describe("infers postcss parser", () => {
-  runPrettier("cli/with-parser-inference", ["*"]).test({
+  runPrettier("cli/with-parser-inference", ["--end-of-line", "lf", "*"]).test({
     status: 0
   });
 });
diff --git a/tests_integration/__tests__/with-shebang.js b/tests_integration/__tests__/with-shebang.js
index e90f63633fde..ceda4c5c9fd2 100644
--- a/tests_integration/__tests__/with-shebang.js
+++ b/tests_integration/__tests__/with-shebang.js
@@ -3,7 +3,9 @@
 const runPrettier = require("../runPrettier");
 
 describe("preserves shebang", () => {
-  runPrettier("cli/with-shebang", ["issue1890.js"]).test({
-    status: 0
-  });
+  runPrettier("cli/with-shebang", ["--end-of-line", "lf", "issue1890.js"]).test(
+    {
+      status: 0
+    }
+  );
 });
diff --git a/tests_integration/cli/config/.prettierrc b/tests_integration/cli/config/.prettierrc
index 8f522b78c33d..7c221bcc11e9 100644
--- a/tests_integration/cli/config/.prettierrc
+++ b/tests_integration/cli/config/.prettierrc
@@ -1,3 +1,4 @@
+endOfLine: 'lf'
 overrides:
 - files: "*.js"
   options:
diff --git a/tests_integration/cli/config/editorconfig/.editorconfig b/tests_integration/cli/config/editorconfig/.editorconfig
index 15ea263a8ed3..8bd599323adc 100644
--- a/tests_integration/cli/config/editorconfig/.editorconfig
+++ b/tests_integration/cli/config/editorconfig/.editorconfig
@@ -12,14 +12,4 @@ indent_style = space
 indent_size = 2
 
 [lib/indent_size=tab.js]
-indent_size = tab
-
-# End of line (--eol opition)
-[eol/cr.js]
-end_of_line = cr
-
-[eol/crlf.js]
-end_of_line = crlf
-
-[eol/lf.js]
-end_of_line = lf
+indent_size = tab
\ No newline at end of file
diff --git a/tests_integration/cli/config/editorconfig/eol/cr.js b/tests_integration/cli/config/editorconfig/eol/cr.js
deleted file mode 100644
index 6d366df61d87..000000000000
--- a/tests_integration/cli/config/editorconfig/eol/cr.js
+++ /dev/null
@@ -1,3 +0,0 @@
-function f() {
-  console.log("line endings should be CR")
-}
diff --git a/tests_integration/cli/config/editorconfig/eol/crlf.js b/tests_integration/cli/config/editorconfig/eol/crlf.js
deleted file mode 100644
index 8b25e5fd3202..000000000000
--- a/tests_integration/cli/config/editorconfig/eol/crlf.js
+++ /dev/null
@@ -1,3 +0,0 @@
-function f() {
-  console.log("line endings should be CRLF")
-}
diff --git a/tests_integration/cli/config/editorconfig/eol/lf.js b/tests_integration/cli/config/editorconfig/eol/lf.js
deleted file mode 100644
index d17f615db592..000000000000
--- a/tests_integration/cli/config/editorconfig/eol/lf.js
+++ /dev/null
@@ -1,3 +0,0 @@
-function f() {
-  console.log("line endings should be LF")
-}
diff --git a/tests_integration/cli/config/js/prettier.config.js b/tests_integration/cli/config/js/prettier.config.js
index a4b0c1d6b096..da1c5408e77c 100644
--- a/tests_integration/cli/config/js/prettier.config.js
+++ b/tests_integration/cli/config/js/prettier.config.js
@@ -1,5 +1,6 @@
 "use strict";
 
 module.exports = {
+  endOfLine: 'lf',
   tabWidth: 8
 };
diff --git a/tests_integration/runPrettier.js b/tests_integration/runPrettier.js
index b5dd75c62344..99e9a1ede9fd 100644
--- a/tests_integration/runPrettier.js
+++ b/tests_integration/runPrettier.js
@@ -111,8 +111,11 @@ function runPrettier(dir, args, options) {
         const value =
           // \r is trimmed from jest snapshots by default;
           // manually replacing this character with /*CR*/ to test its true presence
+          // If ignoreLineEndings is specified, \r is simply deleted instead
           typeof result[name] === "string"
-            ? stripAnsi(result[name]).replace(/\r/g, "/*CR*/")
+            ? options.ignoreLineEndings
+              ? stripAnsi(result[name]).replace(/\r/g, "")
+              : stripAnsi(result[name]).replace(/\r/g, "/*CR*/")
             : result[name];
         if (name in testOptions) {
           if (name === "status" && testOptions[name] === "non-zero") {