1 files changed, 88 insertions, 0 deletions
diff --git a/luni/src/test/java/libcore/java/math/CSVTest.java b/luni/src/test/java/libcore/java/math/CSVTest.java
new file mode 100644
index 0000000..9e151c3
--- /dev/null
+++ b/luni/src/test/java/libcore/java/math/CSVTest.java
@@ -0,0 +1,88 @@
+package libcore.java.math;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Standard single-input test framework for csv math tests
+ */
+public abstract class CSVTest extends junit.framework.TestCase {
+    /*
+     * csv file should have the following format:
+     * function,expected_output,input,extra_info
+     * e.g. cos,-0x1.0000000000000p+0,0x1.921fb54442d18p+1,cos(pi)
+     * for two input: function,expected_output,input1,input2,extra
+     * vogar classpath: obj/JAVA_LIBRARIES/core-tests-support_intermediates/javalib.jar
+     */
+
+    /**
+     * This is a set of functions in java.Math/StrictMath that take two inputs.
+     * These functions will call run2InputTest; others will call runTest.
+     */
+    protected static final Set<String> twoInputFunctions;
+    static {
+        Set<String> twoInFunc = new HashSet<String>();
+        twoInFunc.add("atan2");
+        twoInFunc.add("copySign");
+        twoInFunc.add("hypot");
+        twoInFunc.add("IEEEremainder");
+        twoInFunc.add("max");
+        twoInFunc.add("min");
+        twoInFunc.add("nextAfter");
+        twoInFunc.add("pow");
+        twoInFunc.add("scalb");
+        twoInputFunctions = Collections.unmodifiableSet(twoInFunc);
+    }
+
+    void TestCSVInputs(String[] csvFileNames) throws Exception {
+        int totalTests = 0;
+        for (String csvFileName : csvFileNames) {
+            String line = "";
+            BufferedReader br = null;
+
+            try {
+                br = new BufferedReader(new InputStreamReader(
+                        getClass().getResourceAsStream(csvFileName)));
+                while ((line = br.readLine()) != null) {
+                    if (line.charAt(0) != '#') {
+                        String[] testCase = line.split(",");
+                        runTest(testCase);
+                        totalTests++;
+                    }
+                }
+            } finally {
+                if (br != null) {
+                    br.close();
+                }
+            }
+        }
+        System.out.println("Completed running " + totalTests + " tests");
+    }
+
+    protected void runTest(String[] testCase) throws Exception {
+        String function = testCase[0];
+        double expectedOutput = Double.parseDouble(testCase[1]);
+        double input = Double.parseDouble(testCase[2]);
+        String extra = "";
+        if (twoInputFunctions.contains(function)) {
+            double input2 = Double.parseDouble(testCase[3]);
+            if (testCase.length > 4) {
+                extra = testCase[4];
+            }
+            run2InputTest(function, expectedOutput, input, input2, extra);
+        } else {
+            if (testCase.length > 3) {
+                extra = testCase[3];
+            }
+            runTest(function, expectedOutput, input, extra);
+        }
+    }
+
+    abstract void runTest(String func, double expectedOutput, double input,
+            String extra) throws Exception;
+
+    abstract void run2InputTest(String func, double expectedOutput, double input1, double input2, String extra) throws Exception;
+}
+\ No newline at end of file