Check for output in c executable test

aciidgh · aciidgh · commit d7c6ca147b9f · 2016-03-22T23:17:21.000+05:30
diff --git a/Tests/Functional/TestClangModules.swift b/Tests/Functional/TestClangModules.swift
@@ -67,7 +67,10 @@ class TestClangModulesTestCase: XCTestCase {
     func testCExecutable() {
         fixture(name: "ValidLayouts/SingleModule/CExecutable") { prefix in
             XCTAssertBuilds(prefix)
-            XCTAssertFileExists(prefix, ".build/debug/CExecutable")
+            let exec = ".build/debug/CExecutable"
+            XCTAssertFileExists(prefix, exec)
+            let output = try popen([Path.join(prefix, exec)])
+            XCTAssertEqual(output, "hello 5")
         }
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -67,7 +67,10 @@ class TestClangModulesTestCase: XCTestCase {`
`67`	`67`	`func testCExecutable() {`
`68`	`68`	`fixture(name: "ValidLayouts/SingleModule/CExecutable") { prefix in`
`69`	`69`	`XCTAssertBuilds(prefix)`
`70`		`- XCTAssertFileExists(prefix, ".build/debug/CExecutable")`
	`70`	`+ let exec = ".build/debug/CExecutable"`
	`71`	`+ XCTAssertFileExists(prefix, exec)`
	`72`	`+ let output = try popen([Path.join(prefix, exec)])`
	`73`	`+ XCTAssertEqual(output, "hello 5")`
`71`	`74`	`}`
`72`	`75`	`}`
`73`	`76`	`}`