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[apple/icu.git] / icuSources / test / intltest / numbertest_parse.cpp
diff --git a/icuSources/test/intltest/numbertest_parse.cpp b/icuSources/test/intltest/numbertest_parse.cpp
new file mode 100644 (file)
index 0000000..d5276b4
--- /dev/null
@@ -0,0 +1,354 @@
+// ยฉ 2018 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "numbertest.h"
+#include "numparse_impl.h"
+#include "static_unicode_sets.h"
+#include "unicode/dcfmtsym.h"
+#include "unicode/testlog.h"
+
+#include <cmath>
+#include <numparse_affixes.h>
+
+using icu::unisets::get;
+
+void NumberParserTest::runIndexedTest(int32_t index, UBool exec, const char*& name, char*) {
+    if (exec) {
+        logln("TestSuite NumberParserTest: ");
+    }
+    TESTCASE_AUTO_BEGIN;
+        TESTCASE_AUTO(testBasic);
+        TESTCASE_AUTO(testSeriesMatcher);
+        TESTCASE_AUTO(testCombinedCurrencyMatcher);
+        TESTCASE_AUTO(testAffixPatternMatcher);
+    TESTCASE_AUTO_END;
+}
+
+void NumberParserTest::testBasic() {
+    IcuTestErrorCode status(*this, "testBasic");
+
+    static const struct TestCase {
+        int32_t flags;
+        const char16_t* inputString;
+        const char16_t* patternString;
+        int32_t expectedCharsConsumed;
+        double expectedResultDouble;
+    } cases[] = {{3, u"51423", u"0", 5, 51423.},
+                 {3, u"51423x", u"0", 5, 51423.},
+                 {3, u" 51423", u"0", 6, 51423.},
+                 {3, u"51423 ", u"0", 5, 51423.},
+                 {3, u"๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ", u"0", 10, 51423.},
+                 {3, u"๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏx", u"0", 10, 51423.},
+                 {3, u" ๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ", u"0", 11, 51423.},
+                 {3, u"๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ ", u"0", 10, 51423.},
+                 {7, u"51,423", u"#,##,##0", 6, 51423.},
+                 {7, u" 51,423", u"#,##,##0", 7, 51423.},
+                 {7, u"51,423 ", u"#,##,##0", 6, 51423.},
+                 {7, u"51,423,", u"#,##,##0", 6, 51423.},
+                 {7, u"51,423,,", u"#,##,##0", 6, 51423.},
+                 {7, u"51,423.5", u"#,##,##0", 8, 51423.5},
+                 {7, u"51,423.5,", u"#,##,##0", 8, 51423.5},
+                 {7, u"51,423.5,,", u"#,##,##0", 8, 51423.5},
+                 {7, u"51,423.5.", u"#,##,##0", 8, 51423.5},
+                 {7, u"51,423.5..", u"#,##,##0", 8, 51423.5},
+                 {7, u"๐Ÿฑ๐Ÿญ,๐Ÿฐ๐Ÿฎ๐Ÿฏ", u"#,##,##0", 11, 51423.},
+                 {7, u"๐Ÿณ,๐Ÿด๐Ÿต,๐Ÿฑ๐Ÿญ,๐Ÿฐ๐Ÿฎ๐Ÿฏ", u"#,##,##0", 19, 78951423.},
+                 {7, u"๐Ÿณ๐Ÿด,๐Ÿต๐Ÿฑ๐Ÿญ.๐Ÿฐ๐Ÿฎ๐Ÿฏ", u"#,##,##0", 18, 78951.423},
+                 {7, u"๐Ÿณ๐Ÿด,๐Ÿฌ๐Ÿฌ๐Ÿฌ", u"#,##,##0", 11, 78000.},
+                 {7, u"๐Ÿณ๐Ÿด,๐Ÿฌ๐Ÿฌ๐Ÿฌ.๐Ÿฌ๐Ÿฌ๐Ÿฌ", u"#,##,##0", 18, 78000.},
+                 {7, u"๐Ÿณ๐Ÿด,๐Ÿฌ๐Ÿฌ๐Ÿฌ.๐Ÿฌ๐Ÿฎ๐Ÿฏ", u"#,##,##0", 18, 78000.023},
+                 {7, u"๐Ÿณ๐Ÿด.๐Ÿฌ๐Ÿฌ๐Ÿฌ.๐Ÿฌ๐Ÿฎ๐Ÿฏ", u"#,##,##0", 11, 78.},
+                 {7, u"1,", u"#,##,##0", 1, 1.},
+                 {7, u"1,,", u"#,##,##0", 1, 1.},
+                 {7, u"1.,", u"#,##,##0", 2, 1.},
+                 {3, u"1,.", u"#,##,##0", 3, 1.},
+                 {7, u"1..", u"#,##,##0", 2, 1.},
+                 {3, u",1", u"#,##,##0", 2, 1.},
+                 {3, u"1,1", u"#,##,##0", 1, 1.},
+                 {3, u"1,1,", u"#,##,##0", 1, 1.},
+                 {3, u"1,1,,", u"#,##,##0", 1, 1.},
+                 {3, u"1,1,1", u"#,##,##0", 1, 1.},
+                 {3, u"1,1,1,", u"#,##,##0", 1, 1.},
+                 {3, u"1,1,1,,", u"#,##,##0", 1, 1.},
+                 {3, u"-51423", u"0", 6, -51423.},
+                 {3, u"51423-", u"0", 5, 51423.}, // plus and minus sign by default do NOT match after
+                 {3, u"+51423", u"0", 6, 51423.},
+                 {3, u"51423+", u"0", 5, 51423.}, // plus and minus sign by default do NOT match after
+                 {3, u"%51423", u"0", 6, 51423.},
+                 {3, u"51423%", u"0", 6, 51423.},
+                 {3, u"51423%%", u"0", 6, 51423.},
+                 {3, u"โ€ฐ51423", u"0", 6, 51423.},
+                 {3, u"51423โ€ฐ", u"0", 6, 51423.},
+                 {3, u"51423โ€ฐโ€ฐ", u"0", 6, 51423.},
+                 {3, u"โˆž", u"0", 1, INFINITY},
+                 {3, u"-โˆž", u"0", 2, -INFINITY},
+                 {3, u"@@@123  @@", u"0", 6, 123.}, // TODO: Should padding be strong instead of weak?
+                 {3, u"@@@123@@  ", u"0", 6, 123.}, // TODO: Should padding be strong instead of weak?
+                 {3, u"a51423US dollars", u"a0ยคยคยค", 16, 51423.},
+                 {3, u"a 51423 US dollars", u"a0ยคยคยค", 18, 51423.},
+                 {3, u"514.23 USD", u"ยค0", 10, 514.23},
+                 {3, u"514.23 GBP", u"ยค0", 10, 514.23},
+                 {3, u"a ๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ b", u"a0b", 14, 51423.},
+                 {3, u"-a ๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ b", u"a0b", 15, -51423.},
+                 {3, u"a -๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ b", u"a0b", 15, -51423.},
+                 {3, u"๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ", u"[0];(0)", 10, 51423.},
+                 {3, u"[๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ", u"[0];(0)", 11, 51423.},
+                 {3, u"๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ]", u"[0];(0)", 11, 51423.},
+                 {3, u"[๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ]", u"[0];(0)", 12, 51423.},
+                 {3, u"(๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ", u"[0];(0)", 11, -51423.},
+                 {3, u"๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ)", u"[0];(0)", 11, -51423.},
+                 {3, u"(๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ)", u"[0];(0)", 12, -51423.},
+                 {3, u"๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ", u"{0};{0}", 10, 51423.},
+                 {3, u"{๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ", u"{0};{0}", 11, 51423.},
+                 {3, u"๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ}", u"{0};{0}", 11, 51423.},
+                 {3, u"{๐Ÿฑ๐Ÿญ๐Ÿฐ๐Ÿฎ๐Ÿฏ}", u"{0};{0}", 12, 51423.},
+                 {1, u"a40b", u"a0'0b'", 3, 40.}, // greedy code path thinks "40" is the number
+                 {2, u"a40b", u"a0'0b'", 4, 4.}, // slow code path finds the suffix "0b"
+                 {3, u"๐Ÿฑ.๐Ÿญ๐Ÿฐ๐ŸฎE๐Ÿฏ", u"0", 12, 5142.},
+                 {3, u"๐Ÿฑ.๐Ÿญ๐Ÿฐ๐ŸฎE-๐Ÿฏ", u"0", 13, 0.005142},
+                 {3, u"๐Ÿฑ.๐Ÿญ๐Ÿฐ๐Ÿฎe-๐Ÿฏ", u"0", 13, 0.005142},
+                 {7, u"5,142.50 Canadian dollars", u"#,##,##0 ยคยคยค", 25, 5142.5},
+                 {3, u"a$ b5", u"a ยค b0", 5, 5.0},
+                 {3, u"๐Ÿ“บ1.23", u"๐Ÿ“บ0;๐Ÿ“ป0", 6, 1.23},
+                 {3, u"๐Ÿ“ป1.23", u"๐Ÿ“บ0;๐Ÿ“ป0", 6, -1.23},
+                 {3, u".00", u"0", 3, 0.0},
+                 {3, u"                              1,234", u"a0", 35, 1234.}, // should not hang
+                 {3, u"NaN", u"0", 3, NAN},
+                 {3, u"NaN E5", u"0", 6, NAN},
+                 {3, u"0", u"0", 1, 0.0}};
+
+    parse_flags_t parseFlags = PARSE_FLAG_IGNORE_CASE | PARSE_FLAG_INCLUDE_UNPAIRED_AFFIXES;
+    for (auto& cas : cases) {
+        UnicodeString inputString(cas.inputString);
+        UnicodeString patternString(cas.patternString);
+        LocalPointer<const NumberParserImpl> parser(
+                NumberParserImpl::createSimpleParser(
+                        Locale("en"), patternString, parseFlags, status));
+        if (status.errDataIfFailureAndReset("createSimpleParser() failed")) {
+            continue;
+        }
+        UnicodeString message =
+                UnicodeString("Input <") + inputString + UnicodeString("> Parser ") + parser->toString();
+
+        if (0 != (cas.flags & 0x01)) {
+            // Test greedy code path
+            ParsedNumber resultObject;
+            parser->parse(inputString, true, resultObject, status);
+            assertTrue("Greedy Parse failed: " + message, resultObject.success());
+            assertEquals(
+                    "Greedy Parse failed: " + message, cas.expectedCharsConsumed, resultObject.charEnd);
+            assertEquals(
+                    "Greedy Parse failed: " + message, cas.expectedResultDouble, resultObject.getDouble());
+        }
+
+        if (0 != (cas.flags & 0x02)) {
+            // Test slow code path
+            ParsedNumber resultObject;
+            parser->parse(inputString, false, resultObject, status);
+            assertTrue("Non-Greedy Parse failed: " + message, resultObject.success());
+            assertEquals(
+                    "Non-Greedy Parse failed: " + message,
+                    cas.expectedCharsConsumed,
+                    resultObject.charEnd);
+            assertEquals(
+                    "Non-Greedy Parse failed: " + message,
+                    cas.expectedResultDouble,
+                    resultObject.getDouble());
+        }
+
+        if (0 != (cas.flags & 0x04)) {
+            // Test with strict separators
+            parser.adoptInstead(
+                    NumberParserImpl::createSimpleParser(
+                            Locale("en"),
+                            patternString,
+                            parseFlags | PARSE_FLAG_STRICT_GROUPING_SIZE,
+                            status));
+            ParsedNumber resultObject;
+            parser->parse(inputString, true, resultObject, status);
+            assertTrue("Strict Parse failed: " + message, resultObject.success());
+            assertEquals(
+                    "Strict Parse failed: " + message, cas.expectedCharsConsumed, resultObject.charEnd);
+            assertEquals(
+                    "Strict Parse failed: " + message, cas.expectedResultDouble, resultObject.getDouble());
+        }
+    }
+}
+
+void NumberParserTest::testSeriesMatcher() {
+    IcuTestErrorCode status(*this, "testSeriesMatcher");
+
+    DecimalFormatSymbols symbols("en", status);
+    if (status.errDataIfFailureAndReset("Failure in DecimalFormtSymbols constructor")) {
+        return;
+    }
+    PlusSignMatcher m0(symbols, false);
+    MinusSignMatcher m1(symbols, false);
+    IgnorablesMatcher m2(unisets::DEFAULT_IGNORABLES);
+    PercentMatcher m3(symbols);
+    IgnorablesMatcher m4(unisets::DEFAULT_IGNORABLES);
+
+    ArraySeriesMatcher::MatcherArray matchers(5);
+    matchers[0] = &m0;
+    matchers[1] = &m1;
+    matchers[2] = &m2;
+    matchers[3] = &m3;
+    matchers[4] = &m4;
+    ArraySeriesMatcher series(matchers, 5);
+
+    assertFalse("", series.smokeTest(StringSegment(u"x", false)));
+    assertFalse("", series.smokeTest(StringSegment(u"-", false)));
+    assertTrue("", series.smokeTest(StringSegment(u"+", false)));
+
+    static const struct TestCase {
+        const char16_t* input;
+        int32_t expectedOffset;
+        bool expectedMaybeMore;
+    } cases[] = {{u"", 0, true},
+                 {u" ", 0, false},
+                 {u"$", 0, false},
+                 {u"+", 0, true},
+                 {u" +", 0, false},
+                 {u"+-", 0, true},
+                 {u"+ -", 0, false},
+                 {u"+-  ", 0, true},
+                 {u"+-  $", 0, false},
+                 {u"+-%", 3, true},
+                 {u"  +-  %  ", 0, false},
+                 {u"+-  %  ", 7, true},
+                 {u"+-%$", 3, false}};
+
+    for (auto& cas : cases) {
+        UnicodeString input(cas.input);
+
+        StringSegment segment(input, false);
+        ParsedNumber result;
+        bool actualMaybeMore = series.match(segment, result, status);
+        int actualOffset = segment.getOffset();
+
+        assertEquals("'" + input + "'", cas.expectedOffset, actualOffset);
+        assertEquals("'" + input + "'", cas.expectedMaybeMore, actualMaybeMore);
+    }
+}
+
+void NumberParserTest::testCombinedCurrencyMatcher() {
+    IcuTestErrorCode status(*this, "testCombinedCurrencyMatcher");
+
+    IgnorablesMatcher ignorables(unisets::DEFAULT_IGNORABLES);
+    Locale locale = Locale::getEnglish();
+
+    DecimalFormatSymbols dfs(locale, status);
+    if (status.errDataIfFailureAndReset("Failure in DecimalFormtSymbols constructor")) {
+        return;
+    }
+    dfs.setSymbol(DecimalFormatSymbols::kCurrencySymbol, u"IU$", status);
+    dfs.setSymbol(DecimalFormatSymbols::kIntlCurrencySymbol, u"ICU", status);
+    CurrencySymbols currencySymbols({u"ICU", status}, locale, dfs, status);
+
+    AffixTokenMatcherSetupData affixSetupData = {
+            currencySymbols, {"en", status}, ignorables, "en", 0};
+    AffixTokenMatcherWarehouse warehouse(&affixSetupData);
+    NumberParseMatcher& matcher = warehouse.currency(status);
+    affixSetupData.parseFlags = PARSE_FLAG_NO_FOREIGN_CURRENCY;
+    AffixTokenMatcherWarehouse warehouseNoForeign(&affixSetupData);
+    NumberParseMatcher& matcherNoForeign = warehouseNoForeign.currency(status);
+
+    static const struct TestCase {
+        const char16_t* input;
+        const char16_t* expectedCurrencyCode;
+        const char16_t* expectedNoForeignCurrencyCode;
+    } cases[]{{u"", u"", u""},
+              {u"FOO", u"", u""},
+              {u"USD", u"USD", u""},
+              {u"$", u"USD", u""},
+              {u"US dollars", u"USD", u""},
+              {u"eu", u"", u""},
+              {u"euros", u"EUR", u""},
+              {u"ICU", u"ICU", u"ICU"},
+              {u"IU$", u"ICU", u"ICU"}};
+    for (auto& cas : cases) {
+        UnicodeString input(cas.input);
+
+        {
+            StringSegment segment(input, false);
+            ParsedNumber result;
+            matcher.match(segment, result, status);
+            assertEquals(
+                    "Parsing " + input,
+                    cas.expectedCurrencyCode,
+                    result.currencyCode);
+            assertEquals(
+                    "Whole string on " + input,
+                    cas.expectedCurrencyCode[0] == 0 ? 0 : input.length(),
+                    result.charEnd);
+        }
+        {
+            StringSegment segment(input, false);
+            ParsedNumber result;
+            matcherNoForeign.match(segment, result, status);
+            assertEquals(
+                    "[no foreign] Parsing " + input,
+                    cas.expectedNoForeignCurrencyCode,
+                    result.currencyCode);
+            assertEquals(
+                    "[no foreign] Whole string on " + input,
+                    cas.expectedNoForeignCurrencyCode[0] == 0 ? 0 : input.length(),
+                    result.charEnd);
+        }
+    }
+}
+
+void NumberParserTest::testAffixPatternMatcher() {
+    IcuTestErrorCode status(*this, "testAffixPatternMatcher");
+    Locale locale = Locale::getEnglish();
+    IgnorablesMatcher ignorables(unisets::DEFAULT_IGNORABLES);
+
+    DecimalFormatSymbols dfs(locale, status);
+    dfs.setSymbol(DecimalFormatSymbols::kCurrencySymbol, u"IU$", status);
+    dfs.setSymbol(DecimalFormatSymbols::kIntlCurrencySymbol, u"ICU", status);
+    CurrencySymbols currencySymbols({u"ICU", status}, locale, dfs, status);
+
+    AffixTokenMatcherSetupData affixSetupData = {
+            currencySymbols, {"en", status}, ignorables, "en", 0};
+    AffixTokenMatcherWarehouse warehouse(&affixSetupData);
+
+    static const struct TestCase {
+        bool exactMatch;
+        const char16_t* affixPattern;
+        int32_t expectedMatcherLength;
+        const char16_t* sampleParseableString;
+    } cases[] = {{false, u"-", 1, u"-"},
+                 {false, u"+-%", 5, u"+-%"},
+                 {true, u"+-%", 3, u"+-%"},
+                 {false, u"ab c", 5, u"a    bc"},
+                 {true, u"abc", 3, u"abc"},
+                 {false, u"hello-to+this%veryยคlongโ€ฐstring", 59, u"hello-to+this%very USD longโ€ฐstring"}};
+
+    for (auto& cas : cases) {
+        UnicodeString affixPattern(cas.affixPattern);
+        UnicodeString sampleParseableString(cas.sampleParseableString);
+        int parseFlags = cas.exactMatch ? PARSE_FLAG_EXACT_AFFIX : 0;
+
+        bool success;
+        AffixPatternMatcher matcher = AffixPatternMatcher::fromAffixPattern(
+                affixPattern, warehouse, parseFlags, &success, status);
+        if (!status.errDataIfFailureAndReset("Creation should be successful")) {
+
+            // Check that the matcher has the expected number of children
+            assertEquals(affixPattern + " " + cas.exactMatch, cas.expectedMatcherLength, matcher.length());
+
+            // Check that the matcher works on a sample string
+            StringSegment segment(sampleParseableString, false);
+            ParsedNumber result;
+            matcher.match(segment, result, status);
+            assertEquals(affixPattern + " " + cas.exactMatch, sampleParseableString.length(), result.charEnd);
+        }
+    }
+}
+
+
+#endif